Our expert analysts researched and ranked the leading California iPhone app development companies that build customer-centric applications that engage and convert users into paying customers. Use our practical tool to filter listings by budget, size and reviews and select the best partner for your business needs.
Best iOS App Development Agency In California
356 Companies - Rankings updated: March 31, 2026
We evaluate every agency on DesignRush according to expertise credentials and client satisfaction ratings. Some placements are sponsored.
Your digital partner blending strategy, design, and technology to drive growth.
Whether you need strategy, consulting, hiring support, or a fresh website, we partner with you to build solutions that fit your goals, budget, and long-term growth. [... see all Amasta Media reviews ]- Location
- Dublin, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $150/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 8 Projects Listed
Simplify Every Software Product Interface
Pepper Square is a digital innovation agency that blends strategy, design, and technology to deliver intuitive digital products and experiences. The agency specializes in UI/UX design, web and mobile app development, digital strategy, and creative solutions tailored to enterprise and mid-market clients. With [... view Pepper Square profile ]- Location
- San Francisco, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $65/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 6 Projects Listed
Mobile and Web Apps for Startups and Businesses
We've built products for Fintech, Law, Healthcare, Fitness, Taxi, Delivery, Education and many other industries. We develop solutions for B2B, B2G and retail. [... view MetaProject profile ]- Location
- San Francisco, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 20 Projects Listed
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. [... see all EbizON Digital reviews ]- Location
- Altadena, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $49/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 7 Projects Listed
Premium software consultancy: Scaleups & Enterprises
Premium software consultancy: Scaleups & Enterprises.Blockchain | DeFi | Biotech | FinTech | EduTech | HealthTech. From stunning product design to flawless code. We help you win! [... view 10Clouds profile ]- Location
- Los Angeles, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $70/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 11 Projects Listed
Build Smarter, Scale Faster
Spiral Scout is a San Francisco based software development and AI implementation agency founded in 2011. With 150+ team members across the U.S., Europe, and Latin America, the firm specializes in modernizing legacy systems, launching complex applications, building AI powered software, and augmenting [... see all Spiral Scout reviews ]- Location
- San Francisco, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $75/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 20 Projects Listed
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 [... see all Pace Digitals reviews ]- Location
- Oakland, California
- Number of Employees
- 1000 & Up
- Average Hourly Rate
- $70/hr
- Minimal Budget
- $25,000 - $50,000
Leading Web and Mobile App Development Company in India, USA, & AUS
Techcronus Business Solutions is a global provider of enterprise business solutions and modern-day technology services. [... see all Techcronus Business Solutions Pvt. Ltd. reviews ]- Location
- Los Angeles, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $25/hr
- Portfolios Count
- 14 Projects Listed
Empowering Startups & Enterprises With AI To Deliver Intelligent Business Solutions
Logicspice is a well-established mobile app and web development company that boasts over 18+ years of experience and has successfully completed over 2000 projects with a significant number of repeat clients. [... see all Logicspice reviews ]- Location
- Beverly Hills, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $21/hr
- Portfolios Count
- 8 Projects Listed
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. [... see all AppsNation reviews ]- Location
- Los Angeles, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $50/hr
- Minimal Budget
- Under $1,000
- Portfolios Count
- 7 Projects Listed
Digitally Disrupting Dullness.
Creative27 is a multi-disciplinary digital product design and development agency that drives lightning-speed digital innovation. [... view Creative27 profile ]- Location
- Los Angeles, California
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $500/hr
- Portfolios Count
- 7 Projects Listed
Creative Solutions to Shape Your Business
Logix Shapers is an IT outsourcing company founded in 2014 and is headquartered in Noida, Uttar Pradesh, India. We are serving clients by providing effective software, websites and cutting edge solutions like remote team management tools, cloud computing solutions and more to help in businesses growth. We [... see all Logix Shapers reviews ]- Location
- Folsom, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $20/hr
- Minimal Budget
- Under $1,000
- Portfolios Count
- 4 Projects Listed
Upsource Your Custom Software Development.
CodeStringers is an uncommon software development firm that brings innovation, craftsmanship, and integrity to the development of best-in-class cloud, web and mobile software products. We provide end-to-end product strategy, release planning, software development and quality assurance solutions. [... see all CodeStringers reviews ]- Location
- Santa Cruz, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $55/hr
- Minimal Budget
- $50,000 & Up
Innovation Amplified: Offshore Software Solutions Redefined.
Mangosoft is a top offshore software agency, offering web, mobile app, and enterprise development services. With a strong track record and a global presence, we have successfully delivered 250+ projects across 30+ countries. Our tailored teams of niche experts ensure optimal results, while our transparent [... see all Mangosoft reviews ]- Location
- Santa Monica, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $35/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 18 Projects Listed
Grow Your Store With AI-Driven eCommerce Solutions.
Elsner is your one-stop shop for cutting-edge eCommerce & mobile app development. We craft AI-driven eCommerce solutions that take your business to the next level. From sleek mobile apps to powerful eCommerce platforms, Elsner builds the future of software. [... see all ElsnerTechnologies reviews ]- Location
- Fremont, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $30/hr
- Portfolios Count
- 16 Projects Listed
Dedicated to Leveraging the Power of Innovation!
Clavax specializes in digital product engineering and chatbot solutions, focusing on continuous improvement and innovation to deliver customer value efficiently. [... see all Clavax Technologies reviews ]- Location
- San Jose, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 6 Projects Listed
Scalable Gen AI Solutions
Andolasoft offers cutting-edge web and mobile app solutions that can transform your business. Our team of experts design, develop and launch apps that provide seamless user experiences and enhance productivity. [... view Andolasoft profile ]- Location
- San Jose, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 13 Projects Listed
We Create Innovative Software for the Largest Companies.
We provide design and development services for software products. Our services are IT consulting and outsourcing, design and development of software using modern technologies based on artificial intelligence, mobile applications, web services and websites, system integration, maintenance and functional [... view Omega-R profile ]- Location
- Los Angeles, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $70/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 6 Projects Listed
Get Inspired, Get Online, Get Ahead!
ESP Inspire is a California-based digital marketing, website design, and development company. We specialize in creating user-friendly websites, guaranteeing SEO excellence, delivering complete e-commerce solutions, providing innovative mobile app development, and offering powerful PPC solutions. [... view ESP Inspire profile ]- Location
- Albany, California
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $5/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 6 Projects Listed
Automate Innovate Dominate.
HashStudioz Technologies is an award-winning product development company providing innovative IT solutions to clients from startups to Fortune 500 firms. With a team of over 1,000 experts, they have successfully completed 200+ projects, offering advanced technologies such as IoT, Blockchain, Cloud Computing [... see all HashStudioz Technologies reviews ]- Location
- Altadena, California
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $30/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 4 Projects Listed
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 [... see all Tentackles reviews ]- Location
- Walnut, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $20/hr
- Portfolios Count
- 16 Projects Listed
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. [... see all Ptolemay reviews ]- Location
- Walnut, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 4 Projects Listed
Curl Ware, your one-stop shop for all your web development and design needs.
Our team of experts focuses on delivering top-quality services to our clients, ensuring that they receive the best results. We aim to help businesses and individuals build their online presence through effective website development, optimization, and design. Our mission is to exceed our client's expectations [... view Curlware profile ]- Location
- California City, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $20/hr
- Portfolios Count
- 20 Projects Listed
Your IT Solutions With Zeal
Zealtouch, a company that was established in 2017, quickly grew to be a sizable group of professionals with a common corporate vision. [... see all Zealtouch reviews ]- Location
- Sacramento, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $49/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 9 Projects Listed
30 Years of Excellence in Delivering Future-Proof Software Solutions
Delivering world-class products to Fortune 500 companies and cutting-edge startups for over three decades, we have navigated every economic climate, optimizing production costs to provide our clients with exceptional ROI. [... view Waverley profile ]- Location
- Palo Alto, California
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 4 Projects Listed
Custom Software Development
Coreteka is an IT services provider with R&D offices in Eastern Europe and 8 years of experience in custom software development. We have offices in Irvine (the USA), Wroclaw (Poland), and Kyiv (Ukraine). [... view CoreTeka profile ]- Location
- Irvine, California
- Number of Employees
- Under 49
- Portfolios Count
- 13 Projects Listed
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. [... see all Vrrb reviews ]- Location
- Los Angeles, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $125/hr
- Portfolios Count
- 6 Projects Listed
A Creative Web Agency for Higher Education
KWALL is a boutique digital agency founded in 2007, specializing in full stack web design and development for higher education, government, nonprofit, and enterprise clients. With an inhouse team of approximately 30 experts, the firm has launched more than 800 websites and built a reputation for scalable [... view KWALL profile ]- Location
- Costa Mesa, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $150/hr
Only Vibrant Designs that Resonate
Uptown Logo Design is a prestigious logo design company with a decade of experience in crafting captivating brand identities. Our comprehensive branding solutions include logo design, web development, and more. We aim to tell your brand's story, stimulate growth, and forge profitable connections. [... view Uptown Logo Design profile ]- Location
- Los Angeles, California
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $100/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 5 Projects Listed
The New Standard in Staff Augmentation
Yellowstone Labs provides software staff augmentation with long-term, full-time engineers. With zero turnover for over 15 years, we deliver stable, high-quality development at an exceptional value. [... see all Yellowstone Labs reviews ]- Location
- Signal Hill, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $30/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 11 Projects Listed
Driving Change Through Technology
At eQuality Software, we create digital solutions that drive real impact. With over 14 years of experience in mobile app development, our team specializes in designing and delivering scalable, intuitive, and high-performance applications tailored to your business goals. [... view Equality Software profile ]- Location
- San Francisco, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $100/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 13 Projects Listed
Marketing for Digital Natives
Grazitti Interactive, a global leader in digital innovation, offering AI-driven solutions to drive customer success. We specialize in Salesforce, marketing automation, analytics, and more, partnering with industry giants to deliver results-oriented solutions for clients. [... see all Grazitti Interactive reviews ]- Location
- Mountain View, California
- Number of Employees
- 1000 & Up
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 11 Projects Listed
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. [... see all Vrinsoft Technology reviews ]- 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
We Help Data Driven Companies Build Measurable Generative AI Solutions.
At Markovate, we specialize in transforming businesses through cutting-edge AI and digital solutions. Our commitment is to drive innovation and operational excellence in every project. [... see all Markovate reviews ]- Location
- San Francisco, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 5 Projects Listed
Supercharge your roadmap with custom AI solutions
We specialize in AI-driven product development for regulated industries like healthcare, fintech, biotech, and cybersecurity. Our AI-first approach ensures precision, security, and compliance with standards like HIPAA and GDPR. With a global team, we deliver scalable, data-driven solutions that continuously [... see all GlobalNodes AI reviews ]- Location
- Los Angeles, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 4 Projects Listed
Engineering partner for digital agencies
GetDevDone is the engineering partner for digital agencies. [... view GetDevDone profile ]- Location
- San Francisco, California
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 19 Projects Listed
Pop-Up with us Digitally!!
INCREASE YOUR CONVERSIONS WITH DIGICORNSOur unique and structured conversion optimisation approach helps companies witness a boost in sales. We excel in crafting simple, clear, and highly converting websites. With Digi Corns, your website is going to work for you. [... see all Digicorns Technologies reviews ]- Location
- San Francisco, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $15/hr
- Minimal Budget
- Under $1,000
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. [... see all MoogleLabs reviews ]- Location
- Emeryville, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
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 [... see all Quytech reviews ]- Location
- Walnut, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $20/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 12 Projects Listed
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. [... see all DigiNeat Smart Technologies reviews ]- 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
Design by people for people
IXD Büro is a cozy European atelier specializing in custom web design and exceptional UX/UI solutions. As a boutique studio, our small, dedicated team approaches each project like true craftsmen. [... see all IXD Büro reviews ]- Location
- San Francisco, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 8 Projects Listed
Your Software Development Team As-a-Service
Materialize is a team of passionate web and mobile app artisans that specialize in building bespoke digital products. [... view Materialize Labs profile ]- Location
- Los Angeles, California
- Number of Employees
- Under 49
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 12 Projects Listed
Innovating Healthcare Through Technology
Orangesoft is a full-cycle software development partner focused on healthcare. [... view Orangesoft profile ]- Location
- San Francisco, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 11 Projects Listed
Choose a Different Way!
75way Technologies Pvt. Ltd. is a digital transformation and engineering company based in India, specializing in delivering innovative solutions across web, mobile, and blockchain platforms. With over 10 years of experience, the company has successfully completed more than 1,100 projects for clients [... view 75way Technologies profile ]- Location
- San Jacinto, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $29/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 3 Projects Listed
Software, Mobile App, Games Development Company.
The App Founders is a recognized leader in the mobile app development industry that excels in building mobile apps to upscale your business and bolster your customer retention rate. Well transform your idea into a market-ready application on schedule and within budget. [... view The App Founders profile ]- Location
- Santa Clara, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $70/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 16 Projects Listed
Mobile App Development Company You Can Rely On
360 Degree Technosoft has a 360 Degree approach to find the solutions of any problems faced by our client. [... see all 360 Degree Technosoft reviews ]- Location
- Santa Clara, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $20/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 2 Projects Listed
Digital Marketing Agency
At 3techagency were a ROI-Driven digital marketing agency helping businesses scale up marketing efforts seamlessly through tools & services that grow revenue, improve efficiency & team versatility. [... view 3techagency profile ]- Location
- Los Angeles, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $23/hr
- Minimal Budget
- Under $1,000
- Portfolios Count
- 4 Projects Listed
We Accelerate Your Technology Excellence.
First Line Software is a global AI services and technology partner helping organizations become AI-First.Since 2010, weve worked with enterprises and high-growth companies to design, build, and scale custom software and AI-driven solutions that deliver measurable business outcomes. [... see all First Line Software reviews ]- Location
- San Mateo, California
- Number of Employees
- 500 - 999
- Portfolios Count
- 4 Projects Listed
Result-Driven Digital Solutions Since 2005
We provide results-driven solutions in the Digital field since 2006. While working with us you will receive the expertise and knowledge from our Digital Agency and highly qualified resources from our Research & Development Competence Centre [... see all SEOTM reviews ]- Location
- Escondido, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 1 Project Listed
Top Mobile App and Web Development Company
Developer Bazaar Technologies is a Top Ranked Mobile App & Custom Software Development Company, specializing in transforming ideas into stunning realities and Creating a Positive Impact and is Headquartered in Indore, India. [... see all Developer Bazaar Technologies reviews ]- Location
- Fremont, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 6 Projects Listed
Related Services in California
Related Mobile App Development Specializations in California
About The Author and Expert Reviewer
Selina Garcia has authored 500+ articles and edited 50+ published books in economics, law, and history. Her unique blend of experiences allows her to approach content creation from a well-rounded perspective. Currently, Selina applies her expertise to producing insightful articles on IT, software, and applications for DesignRush.
Sergio is a technology leader with over six years of experience managing global teams and delivering projects across fintech, sportstech, and B2B platforms. At DesignRush, he drove product growth and development execution, building tools that speed up processes by 95% and cut costs by 35% while maintaining full uptime.
Latest Trends Related to iPhone App Development
