Top Startup App Development Companies in California

Best California Startup App Development Companies

255 Companies-Rankings updated: August 22, 2026

DesignRush evaluates each agency using expert assessment and client feedback to inform your choices. Some featured agencies have paid placements.

Show Filters

United States × California ×

AlgoRepublic
Our expertise makes a positive impact to your business
Our expertise makes a positive impact to your business
AlgoRepublic offers comprehensive business automation, product development, and software/web development services to clients globally. Our expertise ensures innovative and efficient solutions tailored to meet the diverse needs of businesses worldwide...
Top Services:
Software Testing
Blockchain
Mobile App Development
Software Development
eCommerce Development
Show more
Location
Los Angeles, California
Number of Employees
250 - 499
Average Hourly Rate
$30/hr
Minimal Budget
Under $1,000
Portfolios Count
1 Project Listed
View Profile
4.3 4.3 (1)
4.8 4.8 (18)
Altoros Labs
Trusted IT Partner for SMBs & Enterprises Since 2001 | Dedicated Teams | Industry-Specific Solutions
Trusted IT Partner for SMBs & Enterprises Since 2001 | Dedicated Teams | Industry-Specific Solutions
Altoros is a 350+ person strong IT consulting and development group. For over 20 years, we've been assisting Global 2000 organizations in getting software products to market faster and reducing the cost of R&D experiments to enable stable business growth...
Top Services:
Software Development
Mobile App Development
Web Design
Web Development
Staff Augmentation
Show more
Location
Pleasanton, California
Number of Employees
250 - 499
Average Hourly Rate
$50/hr
Minimal Budget
$25,000 - $50,000
Portfolios Count
12 Projects Listed
View Profile
4.4 4.4 (4)
5.0 5.0 (1)
Vrinsoft Technology
Ranked #1 Software & App Development Company
Ranked #1 Software & App Development Company
Vrinsoft is the most promising IT solution providing company, based in India which is a one-stop shop for all your business needs. We are a Microsoft certified IT company, which besides rendering professional and comprehensive business solutions also cater a range of services in mobile technologies...
Top Services:
Mobile App Development
Software Development
Web Design
Web Development
eCommerce Development
Show more
Location
Los Angeles, California
Number of Employees
100 - 249
Average Hourly Rate
$25/hr
Minimal Budget
$10,000 - $25,000
Portfolios Count
16 Projects Listed
View Profile
4.4 4.4 (2)
4.3 4.3 (399)
CodeStringers
Zoho consulting, development and integration services for operationally complex organizations.
Zoho consulting, development and integration services for operationally complex organizations.
CodeStringers helps growth-stage and small-to-mid-market companies implement, integrate, and operate Zoho-centered digital enablement solutions by combining senior executive consulting, cost-effective delivery teams, and custom software capabilities when needed...
Top Services:
Software Development
AI Development
Web Development
CRM Consulting
ERP Consulting
Show more
Location
Santa Cruz, California
Number of Employees
50 - 99
Average Hourly Rate
$55/hr
Minimal Budget
$50,000 & Up
View Profile
4.4 4.4 (2)
Ptolemay
IT Solutions for Promising Businesses
IT Solutions for Promising Businesses
We are a full-cycle IT development company that designs and creates perfect solutions based in the US with HQ in Walnut, California. Our experience in diverse marketplaces allows us to offer high-level service to our clients with a clear understanding of their need for flexibility, speed, and agility...
Top Services:
Mobile App Development
Software Development
AI Development
UI/UX Design
Web Development
Show more
Location
Walnut, California
Number of Employees
50 - 99
Average Hourly Rate
$50/hr
Minimal Budget
$10,000 - $25,000
Portfolios Count
4 Projects Listed
View Profile
4.4 4.4 (2)
5.0 5.0 (10)
Cidersoft
Cider Is the Leading Software Development Company in the San Francisco Bay Area.
Cider Is the Leading Software Development Company in the San Francisco Bay Area.
Cidersoft builds compelling apps and websites that will strengthen the success of your business...
Top Services:
Staff Augmentation
DevOps Consulting
eCommerce Development
Web Design
Web Development
Show more
Location
San Ramon, California
Number of Employees
100 - 249
Average Hourly Rate
$65/hr
Minimal Budget
$1,000 - $10,000
Portfolios Count
1 Project Listed
View Profile
4.4 4.4 (2)
AppsNation
Apps Solution For Every Nation.
Apps Solution For Every Nation.
APPSNATION is the USA's top leading mobile application development company providing multiple Mobile App development services in IOs, Android, IoT, AR/VR, Games app development, Cross-platform, Wearable, eCommerce and much more. Contact Us to boost your Company's potential for next-level excellence...
Top Services:
VR/AR
Mobile App Development
Wearables
Software Development
Social Media Marketing
Show more
Location
Los Angeles, California
Number of Employees
100 - 249
Average Hourly Rate
$50/hr
Minimal Budget
Under $1,000
Portfolios Count
7 Projects Listed
View Profile
4.4 4.4 (2)
5.0 5.0 (3)
Apex Web Studios
Design Deliver Dominate
Design Deliver Dominate
We convert businesses into brands by building booming and beautiful online presences for them...
Top Services:
Web Design
Branding
Logo Design
Digital Marketing
Design Services
Show more
Location
Los Angeles, California
Number of Employees
50 - 99
Average Hourly Rate
$40/hr
Minimal Budget
$1,000 - $10,000
Portfolios Count
4 Projects Listed
View Profile
4.4 4.4 (2)
Top Notch Dezigns®
Web Design + Digital Marketing Agency | 20+ Years Experience
Web Design + Digital Marketing Agency | 20+ Years Experience
Top Notch Dezigns® is a full-service web design and digital marketing agency that specializes in custom websites tailored to meet diverse business requirements. With a focus on boosting brands, increasing conversions, and generating leads...
Top Services:
Web Design
Web Development
eCommerce Development
WordPress Website Design
Digital Marketing
Show more
Location
Los Angeles, California
Number of Employees
50 - 99
Average Hourly Rate
$150/hr
Portfolios Count
12 Projects Listed
View Profile
4.5 4.5 (2)
5.0 5.0 (7)
JetRuby
AI-Enabled Сustom Software Development
AI-Enabled Сustom Software Development
We're JetRuby — AI-native, award-winning, and ISO-certified agency that's been shipping software since 2010. Our 250+ engineers turn bold ideas into production-ready products, starting from budgets of $50,000 and scaling all the way to enterprise roll-outs...
Top Services:
Web Development
Software Development
Mobile App Development
Web Design
AI Development
Show more
Location
San Francisco, California
Number of Employees
250 - 499
Average Hourly Rate
$50/hr
Minimal Budget
$50,000 & Up
Portfolios Count
33 Projects Listed
View Profile
4.5 4.5 (2)
Need Help Selecting The Right Startup App Development Agency in California For Your Project?
We'll Find The Best Agencies For You.
TELL US ABOUT YOUR PROJECT
ThirdEye Data
Transforming Enterprises with AI Applications
Transforming Enterprises with AI Applications
ThirdEye Data Transforms Enterprises with Data & AI Solutions & Services. ThirdEye Data leverages Artificial Intelligence & Data technologies to build AI applications for enterprises worldwide...
Top Services:
AI Development
Big Data Analytics
Software Development
IT Services
Staff Augmentation
Show more
Location
San Jose, California
Number of Employees
50 - 99
Average Hourly Rate
$55/hr
Minimal Budget
$10,000 - $25,000
Portfolios Count
23 Projects Listed
View Profile
4.5 4.5 (2)
3.0 3.0 (2)
Hidden Brains Infotech
Enterprise Software Development & IT Consulting Company
Enterprise Software Development & IT Consulting Company
At Hidden Brains, we specialize in delivering state-of-the-art solutions meticulously tailored to our clients' specific requirements. Our comprehensive services include software development, IT consulting, wearable app development, and digital transformation, among others...
Top Services:
Mobile App Development
Software Development
Web Development
Design Services
Digital Services
Show more
Location
Irvine, California
Number of Employees
500 - 999
Average Hourly Rate
$25/hr
Minimal Budget
$25,000 - $50,000
Portfolios Count
5 Projects Listed
View Profile
4.5 4.5 (2)
4.3 4.3 (163)
Master Of Code Global
Business Vision Meets Technology Mastery
Business Vision Meets Technology Mastery
With 1000+ successfully delivered projects for clients such as Go plc, Amika, Tom Ford, Burberry, Boost.ai, GTO Lab, Dr. Oetker, Aveda, T-Mobile, and La Mer, Master of Code Global stands among the leading AI development companies with a strong product mindset...
Top Services:
AI Development
Software Development
Web Development
Mobile App Development
Staff Augmentation
Show more
Location
Redwood City, California
Number of Employees
100 - 249
Average Hourly Rate
$99/hr
Minimal Budget
$25,000 - $50,000
View Profile
4.5 4.5 (2)
4.0 4.0 (4)
Vrrb
Crafting Websites, Apps, and SaaS Products for Today's Leading Brands and Growing Startups
Crafting Websites, Apps, and SaaS Products for Today's Leading Brands and Growing Startups
Vrrb builds custom websites and platforms that drive conversions while helping your brand dominate in today's market...
Top Services:
Web Design
UI/UX Design
Web Development
Mobile App Development
Branding
Show more
Location
Los Angeles, California
Number of Employees
Under 49
Average Hourly Rate
$125/hr
Portfolios Count
6 Projects Listed
View Profile
4.5 4.5 (2)
5.0 5.0 (6)
DigiNeat Smart Technologies
Innovating Your Digital Future
Innovating Your Digital Future
DigiNeat is a team of professionals who create stunning designs and integrate cutting-edge technologies to increase sales. We help businesses stand out in the online space and attract customers with unique solutions that combine creativity and efficiency...
Top Services:
Web Development
Mobile App Development
Software Development
Location
Los Angeles, California
Number of Employees
100 - 249
Average Hourly Rate
$99/hr
Minimal Budget
$10,000 - $25,000
Portfolios Count
2 Projects Listed
View Profile
4.5 4.5 (2)
5.0 5.0 (2)
Comrax
Your Global Partner for Digital Transformation
Your Global Partner for Digital Transformation
Comrax Group is a worldwide development company offering internet solutions, offshore development services, and API solutions. We are dedicated to delivering top-notch services that go beyond client expectations. Our expertise encompasses creating attractive websites, user-friendly web portals, and tailored...
Top Services:
Web Development
Web Design
WordPress Website Design
UI/UX Design
Software Development
Show more
Location
California City, California
Number of Employees
Under 49
Average Hourly Rate
$85/hr
Minimal Budget
$10,000 - $25,000
Portfolios Count
4 Projects Listed
View Profile
4.5 4.5 (2)
Honter Studio
Unlimited Design & Development. One Flat Monthly Rate.
Unlimited Design & Development. One Flat Monthly Rate.
Honter Studio is a California-based design agency offering unlimited design subscription services and full web/app development. We help startups and fast-growing teams launch brands, build platforms, and scale creative output all under one flat monthly rate...
Top Services:
Web Design
Logo Design
Design Services
UI/UX Design
Branding
Show more
Location
San Diego, California
Number of Employees
Under 49
Average Hourly Rate
$30/hr
Minimal Budget
$1,000 - $10,000
Portfolios Count
12 Projects Listed
View Profile
4.5 4.5 (2)
NetSet Software Solutions
AI-First Company for Rapid Product Development
AI-First Company for Rapid Product Development
We are global web3.0 Software engineering company making success stories for more two decades with highly motivated and experience teams and a proven agile framework. we prioritize the commercial goal of our customer deliver the highest business value. we are a renowned blockchain app development company in...
Top Services:
Blockchain
AI Development
Mobile App Development
Software Development
Web Design
Show more
Location
San Francisco, California
Number of Employees
100 - 249
Average Hourly Rate
$25/hr
Minimal Budget
$10,000 - $25,000
Portfolios Count
3 Projects Listed
View Profile
4.6 4.6 (8)
4.0 4.0 (258)
Vention
Verified
Engineering peace of mind
Engineering peace of mind
At Vention, unparalleled customer care isnt just a promise its our mission. We blend personalized experience, unwavering attention to detail, and a genuine passion for your business, ensuring that every aspect of our collaboration is tailored to your success...
Top Services:
Software Development
Staff Augmentation
Mobile App Development
Software Testing
Web Development
Show more
Location
San Francisco, California
Number of Employees
1000 & Up
Average Hourly Rate
$50/hr
Minimal Budget
$25,000 - $50,000
Portfolios Count
15 Projects Listed
View Profile
4.6 4.6 (6)
4.9 4.9 (18)
Tentackles
Your strategic partners in data-driven, user-inspired, & future-ready digital innovations.
Your strategic partners in data-driven, user-inspired, & future-ready digital innovations.
Tentackles is a premier UI/UX design agency, serving global clients since 2018. We specialize in innovative and user-centric digital solutions that captivate audiences and drive conversions. Our expert team crafts visually engaging and seamless user experiences. Need top-tier design? Connect with us...
Top Services:
UI/UX Design
Web Design
Branding
Email Marketing
SEO
Show more
Location
Walnut, California
Number of Employees
Under 49
Average Hourly Rate
$20/hr
Portfolios Count
16 Projects Listed
View Profile
4.6 4.6 (5)
4.6 4.6 (40)
Admios
Nearshore Software Development Services
Nearshore Software Development Services
Clear your backlog and ship products you're proud of faster with our nearshore software development resources. We provides highly skilled, team-based resources to companies that need tech talent fast...
Top Services:
Mobile App Development
Software Development
Staff Augmentation
Web Development
eCommerce Development
Show more
Location
San Francisco, California
Number of Employees
Under 49
Average Hourly Rate
$70/hr
Minimal Budget
$25,000 - $50,000
Portfolios Count
8 Projects Listed
View Profile
4.6 4.6 (5)
Trango Tech
Driving Change Through Technology - Apps, Ecommerce, Staff Aug, BPO, Next Gen Tech and more!
Driving Change Through Technology - Apps, Ecommerce, Staff Aug, BPO, Next Gen Tech and more!
Trango Tech provides unique digital solutions, leveraging a team of 200+ seasoned developers to deliver seamless App Development, mobile platforms, and enterprise-grade systems. Our powerful insights optimize results across every digital transformation campaign. Explore what’s next...
Top Services:
Software Development
Mobile App Development
eCommerce Development
AI Development
Web Design
Show more
Location
San Jose, California
Number of Employees
100 - 249
Portfolios Count
17 Projects Listed
View Profile
4.6 4.6 (5)
4.5 4.5 (6)
Sigma Software
Superior Business Solutions
Superior Business Solutions
Sigma Software specializes in developing software and is a globally distributed team of more than 2000 skilled IT professionals, spanning 12 countries including the USA, Sweden, UK, Canada, Israel, Singapore, UAE, Australia, Austria, Ukraine, and more. With a track record of over 20 successful years, we take...
Top Services:
Software Development
Web Design
Mobile App Development
VR/AR
Business Consulting
Show more
Location
Los Angeles, California
Number of Employees
1000 & Up
Average Hourly Rate
$40/hr
Minimal Budget
$1,000 - $10,000
Portfolios Count
14 Projects Listed
View Profile
4.6 4.6 (4)
4.8 4.8 (81)
Kaizen Apps
Bringing ideas to life one step at a time.
Bringing ideas to life one step at a time.
Kaizen Apps specializes in innovative application development, offering personalized consultations to turn your ideas into impactful digital solutions. Start your project with our expert guidance today...
Top Services:
Web Design
Web Development
IoT
AI Development
Blockchain
Show more
Location
Vacaville, California
Number of Employees
Under 49
Average Hourly Rate
$65/hr
Minimal Budget
$1,000 - $10,000
Portfolios Count
4 Projects Listed
View Profile
4.6 4.6 (3)
5.0 5.0 (6)
Folio3
Driven by Innovation
Driven by Innovation
The best eCommerce development company empowering you with the tools you need to conquer your industry...
Top Services:
Wearables
VR/AR
Mobile App Development
Software Development
eCommerce Development
Show more
Location
Pleasanton, California
Number of Employees
250 - 499
Average Hourly Rate
$35/hr
Minimal Budget
$25,000 - $50,000
Portfolios Count
11 Projects Listed
View Profile
4.6 4.6 (3)
MoogleLabs
Decoding Innovation
Decoding Innovation
MoogleLabs leverage AI/ML, Blockchain, DevOps,Low Code/No Code platforms, AI Testing and Data Science to come up with the best solutions for diverse businesses...
Top Services:
AI Development
Business Consulting
Blockchain
Software Development
Mobile App Development
Show more
Location
Emeryville, California
Number of Employees
50 - 99
Average Hourly Rate
$25/hr
Minimal Budget
$1,000 - $10,000
View Profile
4.6 4.6 (3)
iapp Technologies LLP
Innovation Beyond Imagination
Innovation Beyond Imagination
iApp Technologies: Trusted digital product development partner helping brands turn ideas into powerful & scalable solutions. We specialize in designing and building high-performance Web and Mobile Apps (iOS + Android) that align with evolving market demands and deliver measurable business impact...
Top Services:
Mobile App Development
Blockchain
AI Development
Web Development
UI/UX Design
Show more
Location
San Ramon, California
Number of Employees
100 - 249
Average Hourly Rate
$20/hr
Minimal Budget
Under $1,000
Portfolios Count
60 Projects Listed
View Profile
4.6 4.6 (3)
4.1 4.1 (98)
Dino Code LA
Where Genuine Brilliance Effortlessly Shines.
Where Genuine Brilliance Effortlessly Shines.
We help our clients succeed by creating unique costume websites, brand identities, digital experiences, and print materials that communicate clearly, achieve marketing goals, and look fantastic...
Top Services:
Branding
Creative Services
Mobile App Development
Location
Del Rey, California
Number of Employees
Under 49
Average Hourly Rate
$45/hr
Minimal Budget
Under $1,000
View Profile
4.6 4.6 (3)
5.0 5.0 (7)
DigiTrends
Full Stack Digital Product Development Company
Full Stack Digital Product Development Company
DigiTrends is a full-stack digital agency with a strong mission to digitize various sectors, ranging from Pharma and Fintech to e-commerce and retail. With proven experience and expertise, we have earned the trust of over 600+ brands, including globally renowned enterprises and fortune 500 companies...
Top Services:
Mobile App Development
Web Development
eCommerce Development
VR/AR
Web Design
Show more
Location
San Francisco, California
Number of Employees
100 - 249
Average Hourly Rate
$20/hr
Minimal Budget
$1,000 - $10,000
Portfolios Count
21 Projects Listed
View Profile
4.6 4.6 (3)
5.0 5.0 (1)
ZAAG SYSTEMS
Ai fist design & development company
Ai fist design & development company
ZAAG SYSTEMS delivers scalable web, mobile & AI solutions with sleek design, driving business growth for US startups...
Top Services:
eCommerce Development
AI Development
Web Development
Software Development
Web Design
Show more
Location
Santa Clara, California
Number of Employees
50 - 99
Average Hourly Rate
$20/hr
Minimal Budget
$10,000 - $25,000
Portfolios Count
17 Projects Listed
View Profile
4.6 4.6 (3)
4.7 4.7 (25)
Tepia
Invested in Your Success
Invested in Your Success
Tepia is a software company founded in 2012 with over 30 years of experience in web and mobile app development. We are a passionate and agile team of developers, designers, and strategists who are consistently pushing the boundaries of technology...
Top Services:
Mobile App Development
eCommerce Development
Software Testing
Software Development
UI/UX Design
Show more
Location
Costa Mesa, California
Number of Employees
Under 49
Average Hourly Rate
$100/hr
Minimal Budget
$50,000 & Up
Portfolios Count
2 Projects Listed
View Profile
4.6 4.6 (3)
4.8 4.8 (26)
EbizON Digital
Your Trusted Mobile and eCommerce Partner
Your Trusted Mobile and eCommerce Partner
We provide a full range of services as a full-service mobile app development company, including mobile strategy, design, integration, migration, and upgrade, as well as 24 hour support and maintenance...
Top Services:
eCommerce Development
Mobile App Development
Software Development
Web Development
Show more
Location
Altadena, California
Number of Employees
100 - 249
Average Hourly Rate
$49/hr
Minimal Budget
$1,000 - $10,000
Portfolios Count
7 Projects Listed
View Profile
4.6 4.6 (3)
Pace Digitals
Affordable & Creative Design Company
Affordable & Creative Design Company
Pace Digital is a cutting-edge digital marketing agency offering innovative solutions for businesses. With expertise in SEO, social media marketing, web design, and more, we help clients optimize their online presence and drive targeted traffic. Our team of experts utilizers data-driven strategies to deliver...
Top Services:
Web Development
Mobile App Development
Web Design
eCommerce Development
Branding
Show more
Location
Oakland, California
Number of Employees
1000 & Up
Average Hourly Rate
$70/hr
Minimal Budget
$25,000 - $50,000
View Profile
4.6 4.6 (3)
1.0 1.0 (1)
RiseServ
Our Success - Its Your Business Success
Our Success - Its Your Business Success
RiseServ provides unique and custom software solutions as web-applications, mobile applications, web-portals for medium and small businesses in US, Canada and Europe. Se stand with US small businesses of all industries, helping them recover from the pandemic and rise their sales to levels higher than ever...
Top Services:
Web Design
eCommerce Development
Web Development
SEO
Software Development
Show more
Location
Newport Beach, California
Number of Employees
50 - 99
Average Hourly Rate
$25/hr
Minimal Budget
$1,000 - $10,000
View Profile
4.6 4.6 (3)
LuminoGuru
Innovative and intelligent technology solutions and services
Innovative and intelligent technology solutions and services
If we break down the essence of Luminoguru, it is made up of two words: 'Lumino' meaning 'Light' and 'Guru' meaning 'Teacher'. In the realm of work, light symbolizes clarity and inspiration. Like a guiding beacon, it lightens up ideas, nurtures creativity, and transforms the workspace into a realm where...
Top Services:
Mobile App Development
Software Development
Web Development
eCommerce Development
IoT
Show more
Location
Nevada City, California
Number of Employees
50 - 99
Average Hourly Rate
$20/hr
Minimal Budget
$1,000 - $10,000
View Profile
4.6 4.6 (3)
4.2 4.2 (51)
Differenz System
We Make a Difference
We Make a Difference
I am grateful that you took the time to visit! Because you are here, I may assume that you are searching for help with some aspect of software development, whether it is UI/UX design or mobile app development. You are at the appropriate location. Your unique requirements for digital company might become a...
Top Services:
Mobile App Development
Web Design
Software Development
WordPress Website Design
eCommerce Development
Show more
Location
Los Angeles, California
Number of Employees
100 - 249
Average Hourly Rate
$30/hr
Minimal Budget
$25,000 - $50,000
Portfolios Count
16 Projects Listed
View Profile
4.7 4.7 (11)
5.0 5.0 (25)
TekRevol
Your Vision. Our Expertise. Shaping the Future!
Your Vision. Our Expertise. Shaping the Future!
TekRevol is a globally recognized digital innovation company with 10 years of experience delivering high-impact mobile applications, AI-powered software, and scalable digital products. Every engagement begins with a clear roadmap, defined KPIs, and a commitment to measurable business outcomes...
Top Services:
Mobile App Development
Web Development
AI Development
Staff Augmentation
Digital Marketing
Show more
Location
San Francisco, California
Number of Employees
250 - 499
Average Hourly Rate
$35/hr
Minimal Budget
$25,000 - $50,000
Portfolios Count
46 Projects Listed
View Profile
4.7 4.7 (10)
4.6 4.6 (30)
iTechnolabs
A Canada-Based Mobile App Development Agency for Scalable, Beautiful Apps
A Canada-Based Mobile App Development Agency for Scalable, Beautiful Apps
iTechnolabs empowers clients to transform ideas into dynamic digital experiences. Our creative excellence drives outstanding performance in app creation and software innovation, delivering intuitive, scalable solutions that boost engagement and streamline operations, ensuring your brand stands out in a...
Top Services:
Mobile App Development
Software Development
VR/AR
AI Development
IoT
Show more
Location
San Francisco, California
Number of Employees
100 - 249
Average Hourly Rate
$20/hr
Minimal Budget
$10,000 - $25,000
Portfolios Count
41 Projects Listed
View Profile
4.7 4.7 (9)
4.4 4.4 (35)
Báchoo
We Create Loveable Websites, Game-Changing Applications, Scalable and Reusable Code Under the Hood.
We Create Loveable Websites, Game-Changing Applications, Scalable and Reusable Code Under the Hood.
Bachoo studio is an award-winning web studio, dedicated to creating sophisticated and technologically advanced solutions for our clients. We offer end-to-end services, starting with concept and strategy, and continuing through design, development, QA, devops, and support...
Top Services:
Web Design
Web Development
eCommerce Development
WordPress Website Design
Branding
Show more
Location
El Segundo, California
Number of Employees
Under 49
Average Hourly Rate
$49/hr
Portfolios Count
17 Projects Listed
View Profile
4.7 4.7 (5)
TouchZen
Verified
Premiere Mobile Applications
Premiere Mobile Applications
Touchzen combines AI innovation with 12+ years of experience to create performance-driven native and cross-platform solutions. With each project directly led by founder Cyrus Kiani, the app development company has launched 75+ apps, amassing 20M+ downloads collectively...
Top Services:
Mobile App Development
Product Design
UI/UX Design
Design Services
Web Design
Show more
Location
Irvine, California
Number of Employees
Under 49
Average Hourly Rate
$70/hr
Minimal Budget
$10,000 - $25,000
Portfolios Count
11 Projects Listed
View Profile
4.7 4.7 (5)
5.0 5.0 (19)
Dev Technosys
Your Vision. Our Innovation
Your Vision. Our Innovation
Dev Technosys is an ISO9001:2015-certified software development company founded in 2010, offering comprehensive IT solutions including custom web and mobile development, IoT, ERP/CRM, on-demand apps, and e-commerce platforms. The firm delivers tailored engineering services to clients in over 70 countries...
Top Services:
Mobile App Development
Software Development
Web Development
Web Design
eCommerce Development
Show more
Location
Commerce, California
Number of Employees
100 - 249
Average Hourly Rate
$20/hr
Portfolios Count
16 Projects Listed
View Profile
4.7 4.7 (4)
Quytech
AI | Gen-AI | Blockchain | IT Staff Augmentation | Mobile App
AI | Gen-AI | Blockchain | IT Staff Augmentation | Mobile App
Quytech is a leader in digital innovation of global startups, SMEs, and Fortune 500 organizations. With 14+ years of experience and strong technology expertise, we deliver digital-first experiences that help businesses stay competitive.View the Quytech Reviews, Portfolio, and Services...
Top Services:
Mobile App Development
AI Development
Blockchain
IoT
Software Development
Show more
Location
Walnut, California
Number of Employees
100 - 249
Average Hourly Rate
$20/hr
Minimal Budget
$10,000 - $25,000
Portfolios Count
12 Projects Listed
View Profile
4.7 4.7 (4)
4.3 4.3 (122)
Kanda Software
A Reliable Full-Service Software Development, Cloud, DevOps and QA Partner
A Reliable Full-Service Software Development, Cloud, DevOps and QA Partner
Leveraging 30 years of excellence designing, developing, deploying and supporting world-class software solutions, Kanda Software has established itself as a trusted Software Development, Cloud Engineering, DevOps and QA partner for companies ranging from innovative startups to large enterprises...
Top Services:
Software Development
Mobile App Development
IT Services
IoT
VR/AR
Show more
Location
Alameda, California
Number of Employees
500 - 999
Average Hourly Rate
$50/hr
Minimal Budget
$50,000 & Up
Portfolios Count
16 Projects Listed
View Profile
4.7 4.7 (4)
4.8 4.8 (8)
Frenchy Digital
Mobile App & Ecommerce Development for Startups
Mobile App & Ecommerce Development for Startups
Frenchy Digital is a minority-owned startup in Los Angeles that specializes in Mobile App and Web Development. Before our company was founded in 2019, our developers, designers, and project managers have delivered hundreds of web and mobile applications for satisfied clients from entrepreneurs and startups to...
Top Services:
Web Development
eCommerce Development
Mobile App Development
Location
Los Angeles, California
Number of Employees
Under 49
Average Hourly Rate
$25/hr
Minimal Budget
$10,000 - $25,000
Portfolios Count
4 Projects Listed
View Profile
4.7 4.7 (4)
Light IT
Deep tech expertise for SME
Deep tech expertise for SME
Light IT provides the following services on the global tech market:- consulting clients on IT products and services- custom product and software development- provision of resources at the clients' request- software delivery and maintenance- software quality assurance...
Top Services:
Software Development
Mobile App Development
Web Development
Software Testing
IT Services
Show more
Location
San Jose, California
Number of Employees
100 - 249
Average Hourly Rate
$40/hr
Minimal Budget
$10,000 - $25,000
Portfolios Count
14 Projects Listed
View Profile
4.7 4.7 (4)
Qualimatrix Technologies Pvt Ltd
QualiMatrix Technologies: Always believe in Quality. We are ISO certified - 9001, 27001
QualiMatrix Technologies: Always believe in Quality. We are ISO certified - 9001, 27001
One of the top Cyber Security providers, Web Development Services, App Development Services, UI/UX Services, and Software Testing Services...
Top Services:
Branding
Web Design
Web Development
IoT
Software Testing
Show more
Location
Bakersfield, California
Number of Employees
100 - 249
Average Hourly Rate
$13/hr
Minimal Budget
$1,000 - $10,000
Portfolios Count
1 Project Listed
View Profile
4.7 4.7 (4)
5.0 5.0 (29)
RNO1
RNO1 | A Global Branding, UX & Digital Growth Partner | $10B+ in Market Growth
RNO1 | A Global Branding, UX & Digital Growth Partner | $10B+ in Market Growth
RNO1 is a global branding and digital growth agency for modern brands that refuse to play it safe. We design Radical Digital Experiences that don't just look good: they drive real growth...
Top Services:
UI/UX Design
Web Design
Mobile App Development
Web Development
Branding
Show more
Location
San Francisco, California
Number of Employees
50 - 99
Portfolios Count
10 Projects Listed
View Profile
4.8 4.8 (13)
Azumo
Verified
Build Intelligent Apps for Web, Mobile, Data, AI and Cloud
Build Intelligent Apps for Web, Mobile, Data, AI and Cloud
Azumo has been building intelligent apps since 2016, offering expertise in custom native and cross-platform app development. It boasts a 150% client retention rate and a client portfolio of 100+ businesses, including Meta, Omnicon Media Group, and United Healthcare...
Top Services:
AI Development
Software Development
Staff Augmentation
Mobile App Development
Big Data Analytics
Show more
Location
San Francisco, California
Number of Employees
100 - 249
Average Hourly Rate
$55/hr
Minimal Budget
$50,000 & Up
Portfolios Count
9 Projects Listed
View Profile
4.8 4.8 (12)
4.6 4.6 (20)
Sunrise Integration
Keep Your Business Competitive in an App-Connected World.
Keep Your Business Competitive in an App-Connected World.
Expert website design and development - mobile application development - API integration: we do it all! Your online presence can't be left to just anyone. We are an agile-focused agency with a high client satisfaction rate. Whatever you need to build to scale your business - we'll help you build it the...
Top Services:
eCommerce Development
Web Development
Web Design
UI/UX Design
Mobile App Development
Show more
Location
Pasadena, California
Number of Employees
Under 49
Average Hourly Rate
$150/hr
Minimal Budget
$1,000 - $10,000
Portfolios Count
12 Projects Listed
View Profile
4.8 4.8 (12)
5.0 5.0 (9)
EffectiveSoft
FUELING DISRUPTION
FUELING DISRUPTION
App Development is at the heart of what we do. EffectiveSoft stands out because we turn your ideas into reliable digital products, supporting you from concept to launch and beyond. Our collaborative approach yields unmatched expertise in software, AI, and cloud solutions for your growth...
Top Services:
Software Development
Mobile App Development
Big Data Analytics
AI Development
ERP Consulting
Show more
Location
San Diego, California
Number of Employees
250 - 499
Average Hourly Rate
$50/hr
Minimal Budget
$25,000 - $50,000
Portfolios Count
29 Projects Listed
View Profile
4.8 4.8 (9)
Need Help Selecting The Right Startup App Development Agency in California For Your Project?
We'll Find The Best Agencies For You.
TELL US ABOUT YOUR PROJECT

Related Services in California

Related Mobile App Development Specializations in California

Popular Services

Latest Trends Related to Startup App Development

App Development

iPhone vs. Android: 60+ Key Market Statistics Every Business Should Know

20,322

App Development

I Tested the Top 5 Mobile App Development AI Tools: Here’s What Stood Out

38,766

App Development

Top 5 No-Code App Builders Reviewed — Which One Came Out on Top?

26,929

Best California Startup App Development Companies

Our expertise makes a positive impact to your business

Trusted IT Partner for SMBs & Enterprises Since 2001 | Dedicated Teams | Industry-Specific Solutions

Ranked #1 Software & App Development Company

Zoho consulting, development and integration services for operationally complex organizations.

IT Solutions for Promising Businesses

Cider Is the Leading Software Development Company in the San Francisco Bay Area.

Apps Solution For Every Nation.

Design Deliver Dominate

Web Design + Digital Marketing Agency | 20+ Years Experience

AI-Enabled Сustom Software Development

Transforming Enterprises with AI Applications

Enterprise Software Development & IT Consulting Company

Business Vision Meets Technology Mastery

Crafting Websites, Apps, and SaaS Products for Today's Leading Brands and Growing Startups

Innovating Your Digital Future

Your Global Partner for Digital Transformation

Unlimited Design & Development. One Flat Monthly Rate.

AI-First Company for Rapid Product Development

Engineering peace of mind

Your strategic partners in data-driven, user-inspired, & future-ready digital innovations.

Nearshore Software Development Services

Driving Change Through Technology - Apps, Ecommerce, Staff Aug, BPO, Next Gen Tech and more!

Superior Business Solutions

Bringing ideas to life one step at a time.

Driven by Innovation

Decoding Innovation

Innovation Beyond Imagination

Where Genuine Brilliance Effortlessly Shines.

Full Stack Digital Product Development Company

Ai fist design & development company

Invested in Your Success

Your Trusted Mobile and eCommerce Partner

Affordable & Creative Design Company

Our Success - Its Your Business Success

Innovative and intelligent technology solutions and services

We Make a Difference

Your Vision. Our Expertise. Shaping the Future!

A Canada-Based Mobile App Development Agency for Scalable, Beautiful Apps

We Create Loveable Websites, Game-Changing Applications, Scalable and Reusable Code Under the Hood.

Premiere Mobile Applications

Your Vision. Our Innovation

AI | Gen-AI | Blockchain | IT Staff Augmentation | Mobile App

A Reliable Full-Service Software Development, Cloud, DevOps and QA Partner

Mobile App & Ecommerce Development for Startups

Deep tech expertise for SME

QualiMatrix Technologies: Always believe in Quality. We are ISO certified - 9001, 27001

RNO1 | A Global Branding, UX & Digital Growth Partner | $10B+ in Market Growth

Build Intelligent Apps for Web, Mobile, Data, AI and Cloud

Keep Your Business Competitive in an App-Connected World.

FUELING DISRUPTION

Related Services in California

Related Mobile App Development Specializations in California

Popular Services

Latest Trends Related to Startup App Development

ReceiveProposals