Our expert analysts identified the leading mobile app developers in California that create high-performance apps that engage and retain their user base. Filter listings by city, team size, cost of services and reviews to personalize your search. Choose the best partner for your brand and take advantage of these agencies' expertise and experience.
Organic rankings are determined by five factors: top services, reviews, portfolio, awards/press, and team expertise. Sponsored listings pay for a placement that appears above organic positions. Sponsorship does not affect star ratings or review content - read more on our methodology page.
Custom software development firm
Greensighter is a full-cycle software development studio. We build custom software, AI agents, and MVPs...
Top Services:
- Mobile App Development
- Software Development
- AI Development
- Wearables
- IT Services
- Show more
- Location
- San Francisco, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 2 Projects Listed
Where Your Vision Meets Software Mastery
Tateeda is a company specializing in custom software development and staff augmentation services, with a skilled workforce of 100+ seasoned engineers...
Top Services:
- Software Development
- IT Services
- Mobile App Development
- IoT
- AI Development
- Show more
- Location
- San Diego, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $65/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 1 Project Listed
Designing and Development Made Easy
We believe enhanced product designs integrated with advanced technology can significantly propel business growth and market expansion. We're committed to addressing our client's needs, providing unparalleled customer service, and delivering exceptional product quality through cutting-edge technology...
Top Services:
- Software Development
- Mobile App Development
- Web Design
- eCommerce Development
- Web Development
- Show more
- Location
- Los Angeles, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $10,000 - $25,000
Engineering Intelligent & Scalable Solutions.
VentureDive is an award-winning custom software development company dedicated to spearheading digital transformations for Fortune 500 companies across BFSI, CPG/retail, healthcare, transportation, logistics, and QSR industries through its expertise in the realms of Fintech, Data & AI, HealthTech, PropTech...
Top Services:
- AI Development
- Software Testing
- Software Development
- Mobile App Development
- Big Data Analytics
- Show more
- Location
- Mountain View, California
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $25,000 - $50,000
We Bring The Tech. You Get The Wins.
Teamvoy is an AI engineering and transformation partner. We help companies make smarter technology decisions and turn them into production-ready software...
Top Services:
- Software Development
- AI Development
- Design Services
- Web Design
- UI/UX Design
- Show more
- Location
- Covina, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $10,000 - $25,000
Empower Your Business With Custom Software, AI, & Nearshore Talent Solutions
Bluelight is a U.S.-headquartered nearshore software development consultancy. Bluelight provides top-tier IT talent from Latin America (and onshore) who are fluent in English, work U.S. business hours, and serve as a cost-effective alternative to U.S.-based hires...
Top Services:
- Software Development
- Software Testing
- AI Development
- Mobile App Development
- Staff Augmentation
- Show more
- Location
- Sacramento, California
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $35/hr
- Minimal Budget
- $10,000 - $25,000
Software That Works!
SoftAvail, Inc. is a software R&D professional services company specializing in full application life-cycle management - prototyping, design, development, deployment, support & maintenance . We produce and deliver high-quality software for any platform and device...
Top Services:
- Software Development
- Mobile App Development
- IoT
- IT Services
- Show more
- Location
- San Carlos, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $40/hr
- Portfolios Count
- 2 Projects Listed
World-class Branding And Design
Mission Control is a new kind of branding and design agency, born in the AI age and built for ambitious early-stage companies. We're part of Clay, the team behind brands like Slack, Meta, and Coinbase. We've helped startups grow from seed rounds to unicorn status, so we know what it takes to build a brand...
Top Services:
- Branding
- Logo Design
- Design Services
- Web Design
- UI/UX Design
- Show more
- Location
- San Francisco, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $150/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 4 Projects Listed
High-Level Technology for Small and Large Business.
ALFTEK offers full-service network infrastructure, system administration, network security, software development and other managed IT services. What's more, the company also integrates robust software solutions with cloud-based SaaS, PaaS and IaaS platforms for website and social & blog design...
Top Services:
- Software Development
- Cybersecurity
- IT Services
- Managed Services
- Web Design
- Show more
- Location
- Concord, California
- Number of Employees
- Under 49
- Portfolios Count
- 4 Projects Listed
Software Development Company
Anyalpha is best software development company USA that offers custom software solutions to achieve growth and scale for your business...
Top Services:
- Mobile App Development
- Software Development
- Web Design
- Web Development
- Blockchain
- Show more
- Location
- Walnut Creek, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $15/hr
- Minimal Budget
- $1,000 - $10,000
Your Software Product Development Partner
Velotio Technologies is an outsourced software product development partner for technology startups and enterprises. We combine innovative ideas with business expertise and the latest transformational technologies to drive business success for our customers, help them put their customers'​ needs at the core...
Top Services:
- Mobile App Development
- UI/UX Design
- Product Design
- Software Development
- Software Testing
- Show more
- Location
- San Ramon, California
- Number of Employees
- 250 - 499
- Minimal Budget
- Under $1,000
The Best of Two Worlds: Creative and Technology
We offer end-to-end services, starting with concept and strategy, and continuing through design, development, QA, DevOps, and support. We believe in co-creation, enabling our clients to bring their own ownership and knowledge of their business and brand while we contribute our rich expertise to the table. Our...
Top Services:
- Web Development
- Mobile App Development
- Product Design
- UI/UX Design
- Branding
- Show more
- Location
- El Segundo, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $10,000 - $25,000
Health Tech and Managed IT Services Company
TechMatter is a leading global provider of technology and healthcare solutions headquartered in Glendale, California. The company specializes in enterprise software development, automation, and revenue cycle management, empowering organizations to streamline operations and achieve sustainable growth. With a...
Top Services:
- Digital Services
- Design Services
- UI/UX Design
- Web Development
- Affiliate Marketing
- Show more
- Location
- Glendale, California
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $100/hr
From Application Development to Large-Scale Database Migrations – We’re Mission Ready.
Equipped with expert, full-stack, agile teams, we help agencies, corporations and start-ups innovate and scale. And we do it on your terms, be it on the front lines or as a behind-the-scenes partner...
Top Services:
- Mobile App Development
- Blockchain
- Software Development
- AI Development
- Web Design
- Show more
- Location
- San Francisco, California
- Number of Employees
- Under 49
Make the Right Choice.
Top ranking Microsoft Dynamics Partner providing consultation for Dynamics 365 CRM, NetSuite, Dynamics 365 Business Central, Salesforce, SharePoint, BI, Custom Software Development, Web app development, Azure with other Microsoft Solutions. AlphaBOLD based in San Diego, USA. Contact Us Now!...
Top Services:
- CRM Consulting
- ERP Consulting
- Cloud Consulting
- AI Development
- IoT
- Show more
- Location
- Carlsbad, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $150/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 1 Project Listed
Software engineering partner for the AI era
Axon Active is a 100% Swiss-owned AI software development company with 650+ engineers in Vietnam, helping organizations build new digital products, modernize legacy systems, and continuously evolve software...
Top Services:
- Software Development
- Mobile App Development
- IT Services
- AI Development
- IT Compliance Solution
- Show more
- Location
- San Francisco, California
- Number of Employees
- 500 - 999
Consulting That Multiplies Your Success
WGS2D is a boutique business and technology consulting firm built by experienced leaders from top-tier firms. We're known for moving fast, delivering real outcomes, and putting the client first always. What sets us apart is how we execute. We don't just advise; we own results. Our Say/Do ratio is 100%. if we...
Top Services:
- Managed Services
- Cloud Consulting
- IT Services
- DevOps Consulting
- Cybersecurity
- Show more
- Location
- Oakland, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 1 Project Listed
Technology & Solution Consulting company
We have experience in following fields: HR Tech, Software Product Development, Machine Learning, Biotech, greentech, UX/UI Design...
Top Services:
- Software Development
- AI Development
- Wearables
- Mobile App Development
- Blockchain
- Show more
- Location
- Foster City, California
- Number of Employees
- 100 - 249
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 1 Project Listed
Building Smart Enterprise Solutions For Growing Businesses.
ITColark Consulting delivers customized enterprise software and IT solutions that help businesses streamline operations, scale efficiently, and achieve digital growth...
Top Services:
- Mobile App Development
- DevOps Consulting
- IT Services
- eCommerce Development
- AI Development
- Show more
- Location
- California City, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $11/hr
- Minimal Budget
- $10,000 - $25,000
Crafting Digital Experiences From Idea to Launch
Punch is a full-service creative agency. We research, build, market, and grow companies of all sizes with our engineering, design, and marketing services...
Top Services:
- Software Development
- Mobile App Development
- Location
- San Francisco, California
- Number of Employees
- 100 - 249
We Build Products
IMEA systems is a partner of choice for many world-leading companies and those who care for service quality and trustworthiness. Our services vary, including all your business implementation processes, i.e. development, quality assurance, design, marketing and SEO...
Top Services:
- Software Development
- Mobile App Development
- Location
- Glendale, California
- Number of Employees
- 100 - 249
Developing and integrating eCommerce apps
Since 2012, Attractor Software LLC has offered Custom Software Development as an outsourcing service for projects of varying complexity and size...
Top Services:
- CRM Consulting
- Mobile App Development
- Location
- Los Angeles, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $49/hr
- Minimal Budget
- $10,000 - $25,000
Powering Change through Digital Transformation.
As a leading digital transformation and product engineering company, we offer co-creation services utilizing digital technologies such as IoT, blockchain, AI and more. Experience amplified productivity, reduced time-to-market and significant cost savings while maintaining the highest standard of quality...
Top Services:
- Web Development
- Mobile App Development
- Location
- San Jose, California
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $99/hr
- Minimal Budget
- $10,000 - $25,000
Digital Transformation Agency.
Appinventors stands as a prominent Digital Transformation Agency, enabling businesses to prosper within the contemporary digital landscape. At Appinventors, we pride ourselves on delivering exceptional customer support and assistance. Whether you're facing technical challenges or seeking guidance on your...
Top Services:
- IoT
- Mobile App Development
- Digital Services
- UI/UX Design
- Software Development
- Show more
- Location
- Los Angeles, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $10,000 - $25,000
Senior Product Designers Embedded in Your Team — Design Systems, Staff Augmentation, and Zero-to-One
Forge Studio places senior product designers (L4-L6 caliber) from Coinbase, Roblox, and Instacart directly into your team. Embedded design teams, enterprise design systems, and zero-to-one product design. $9.5M+ in engagements since 2017...
Top Services:
- UI/UX Design
- Web Design
- Product Design
- Digital Strategy
- AI Development
- Show more
- Location
- San Francisco, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $200/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 2 Projects Listed
Lightning-Fast AI, Cloud & Cybersecurity Solutions
Zazmic has been at the forefront of AI/ML and software development innovation for over a decade. Today, we continue to lead the charge as the Google Cloud Premier partner and a top provider of Gen AI, cybersecurity, and cloud services. Design, architecture, top-tier engineering we have it all...
Top Services:
- AI Development
- Mobile App Development
- UI/UX Design
- Cloud Consulting
- Web Development
- Show more
- Location
- San Francisco, California
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $49/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 1 Project Listed
Canadas Trusted Partner
iQlance Solutions Canada is a global technology service provider specializing in delivering advanced digital products tailored to modern business needs. The company focuses on building scalable, secure, and high-performance solutions, helping organizations turn their ideas into successful digital platforms...
Top Services:
- Web Development
- Mobile App Development
- Software Development
- Location
- Ontario, California
- Number of Employees
- 50 - 99
- Minimal Budget
- $10,000 - $25,000
Smart Websites Built For Growth
Website Design Hive creates stunning websites, logos, apps, and animations while driving growth through SEO, PPC, and digital marketing. We turn ideas into results-driven online experiences...
Top Services:
- Web Design
- Web Development
- eCommerce Development
- Logo Design
- Branding
- Show more
- Location
- Campbell, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $450/hr
- Minimal Budget
- Under $1,000
- Portfolios Count
- 3 Projects Listed
AI-native Engineering. Enterprise-grade Results
Paradigm provides custom low-code software solutions. Our commitment is to empower organizations with the tools they need to streamline processes, automate tasks, and scale operations efficiently. Through a fusion of expert development and a deep understanding of our clients' unique challenges, we aim to be...
Top Services:
- Web Development
- Mobile App Development
- Software Development
- AI Development
- Show more
- Location
- Temecula, California
- Number of Employees
- Under 49
- Minimal Budget
- $1,000 - $10,000
Building the new era of digital growth
Nova Era is a digital solutions agency built to merge creativity with innovation, offering web and app design, development, video production, automation, and customized AI tools. The focus is always on building smarter systems that help businesses work seamlessly and communicate with impact.What defines the...
Top Services:
- Web Design
- Web Development
- eCommerce Development
- UI/UX Design
- Mobile App Development
- Show more
- Location
- San Francisco, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $149/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 2 Projects Listed
Enterprise-grade Solutions
We work with world-class startups, businesses, and institutions as part of an exceptional team of software engineers and technology wizards...
Top Services:
- Software Development
- Mobile App Development
- DevOps Consulting
- Blockchain
- IoT
- Show more
- Location
- Riverside, California
- Number of Employees
- 100 - 249
Software Development and Cloud Technology Company
We’re a solution-based technology company with a focus in cloud transformation, software development and big data analytics services based out of California. We combine the love for engineering and big data to scale projects and help businesses grow. Our passion for technology drives results-based solutions...
Top Services:
- Software Development
- Mobile App Development
- AI Development
- Cybersecurity
- Big Data Analytics
- Show more
- Location
- Pleasanton, California
- Number of Employees
- Under 49
- Minimal Budget
- $10,000 - $25,000
Build Better Software.
Tech.us is an AI software solutions company that provides AI development, mobile applications, cloud consulting, and IT services. We focus on creating secure, scalable, and innovative technologies that support businesses in their digital journey...
Top Services:
- AI Development
- Mobile App Development
- IT Services
- Software Testing
- Cybersecurity
- Show more
- Location
- San Jose, California
- Number of Employees
- 100 - 249
- Minimal Budget
- $10,000 - $25,000
From Business Intent To Production-Ready Change
CloudGeometry is a Silicon Valley engineering firm that builds and runs cloud-native platforms, data pipelines, and AI systems for SaaS and enterprise teams. Its AI-MSL offering pairs an AI-driven delivery platform with a managed service: AI agents carry build and maintenance work across the software...
Top Services:
- AI Development
- Managed Services
- Software Development
- Mobile App Development
- Cloud Consulting
- Show more
- Location
- Sunnyvale, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $100/hr
- Minimal Budget
- $10,000 - $25,000
Beautiful Design For The Bold
Were a small team of artists who happen to love software development. Everything we do is rooted in our passion for elegant design, both internally and externally. For us, theres no better feeling than knowing we help our customers put their best foot forward with great online experiences...
Top Services:
- WordPress Website Design
- Web Design
- SEO
- Web Development
- Mobile App Development
- Show more
- Location
- San Marcos, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $120/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 1 Project Listed
Make Technology Work
Indium is an AI-driven digital engineering company that helps enterprises build, scale, and innovate with cutting-edge technology. We specialize in custom solutions, ensuring every engagement is tailored to business needs with a relentless customer-first approach...
Top Services:
- Big Data Analytics
- AI Development
- Mobile App Development
- Cloud Consulting
- IT Services
- Show more
- Location
- Cupertino, California
- Number of Employees
- 1000 & Up
- Average Hourly Rate
- $50/hr
Think Partner, Not Agency
Acquaint Softtech is an Official Laravel Partner with 15+ years of experience in software development. We specialize in Laravel solutions and excel in IT staff augmentation, remote development teams and outsourcing to deliver scalable, best results...
Top Services:
- Staff Augmentation
- IT Services
- Web Development
- eCommerce Development
- Mobile App Development
- Show more
- Location
- Highland, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $20/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 6 Projects Listed
For Seamless Collaborations
OutsourcingDev is your expert partner in outsourcing services. Founded by a seasoned data Engineer, we offer customized and high-quality solutions. Our comprehensive services cover the entire development lifecycle, and we specialize in assembling dedicated development teams for seamless collaboration...
Top Services:
- Software Development
- Mobile App Development
- Web Design
- Web Development
- UI/UX Design
- Show more
- Location
- San Francisco, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $55/hr
- Minimal Budget
- $10,000 - $25,000
Cloud Native Software Development
ZYMR offers cutting-edge cloud-based services for Healthcare, HIPAA, Biotech, etc... We are a leading cloud technology services provider in Silicon Valley, USA. Get in touch for cloud-based solutions today...
Top Services:
- AI Development
- IoT
- Mobile App Development
- Software Development
- Blockchain
- Show more
- Location
- San Jose, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $10,000 - $25,000
Industry-Specific Expertise Meets Salesforce Excellence
Our engineering and design teams, which are made up of some of the brightest and most creative young people in the world and have backgrounds and degrees from the best technology and management consulting firms, are the foundation of our success...
Top Services:
- Cloud Consulting
- CRM Consulting
- Web Development
- Mobile App Development
- Show more
- Location
- Irvine, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $99/hr
- Minimal Budget
- $10,000 - $25,000
Railsware - A software development agency
We're a software development agency that builds products that scale. Our engineering-first culture and product-minded approach have powered success stories like Calendlythe scheduling platform that revolutionized meetings for millions...
Top Services:
- Software Development
- AI Development
- Mobile App Development
- IT Services
- DevOps Consulting
- Show more
- Location
- West Hollywood, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $149/hr
- Minimal Budget
- $50,000 & Up
Strategy, design, engineering, and AI
Bay Area Coders is a San Francisco-based product and engineering studio working with venture-backed startups and growth-stage companies since 2016. We combine strategy, design, engineering, and AI to help teams ship real products and modernize existing ones...
Top Services:
- Software Development
- Web Development
- Mobile App Development
- AI Development
- Design Services
- Show more
- Location
- Roseville, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $100/hr
- Minimal Budget
- $1,000 - $10,000
We Help Enterprise Companies Achieve Their Digital Dreams.
Impekable is an award-winning, worldwide digital product agency specializing in UX/UI Design, Mobile App Development & Web Development. We've created award-winning web and mobile user experiences for more than 250 clients, and over 600 projects, globally. We are honored to be recognized as a leading web and...
Top Services:
- Web Development
- UI/UX Design
- Product Design
- Mobile App Development
- AI Development
- Show more
- Location
- San Jose, California
- Number of Employees
- Under 49
Reimagining Software Development
Beehive is a new production model for software development (the world's first we should add) that fuses AI precision with human ingenuity. A model of collective intelligence that breaks projects into microtasks, routing them to global experts, and delivering production-ready, high quality, code faster than...
Top Services:
- Web Development
- Software Development
- AI Development
- Mobile App Development
- IoT
- Show more
- Location
- San Jose, California
- Number of Employees
- 100 - 249
- Minimal Budget
- $10,000 - $25,000
Most Scalable Custom Software Development Company
CodeSparrk has been recognized as the top digital marketing agency, ranked as best digital marketing agency in research, and is a proud winner of awards in 2022...
Top Services:
- Digital Marketing
- AI Development
- SEO
- Software Development
- Mobile App Development
- Show more
- Location
- Pasadena, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $12/hr
- Minimal Budget
- $1,000 - $10,000
Design and Development Done Right!
Povio is a company that is based in San Francisco and specializes in designing and developing digital products that make a positive impact. With over 1000 successful projects delivered and a team of over 200 skilled professionals, we have collaborated with multinational companies like VW, unicorns such as...
Top Services:
- Product Design
- Web Development
- UI/UX Design
- Mobile App Development
- Web Design
- Show more
- Location
- San Francisco, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $70/hr
- Minimal Budget
- $1,000 - $10,000
Your Vision, Our Expertise
KB Solutions delivers personalized digital marketing and branding services to help businesses stand out and thrive in competitive markets...
Top Services:
- Web Development
- Web Design
- eCommerce Development
- Software Development
- Mobile App Development
- Show more
- Location
- Pasadena, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $100/hr
- Minimal Budget
- $10,000 - $25,000
Design. Develop. Dominate.
A modern digital studio building high-performance websites, SEO systems, and growth platforms for brands that want real results not just visuals...
Top Services:
- SEO
- Web Design
- Email Marketing
- Mobile App Development
- Digital Marketing
- Show more
- Location
- Roseville, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $55/hr
- Minimal Budget
- $1,000 - $10,000
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
Full Cycle Software & Mobile App Development Company.
Dreamer Technoland is a web development, mobile app design and development company building reliable solutions for businesses and startups...
Top Services:
- Software Development
- Mobile App Development
- Location
- Alameda, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 3 Projects Listed
Mobile App Development Companies in California by City
Related Services in California
Mobile App Development Specializations in California
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