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
Every agency featured on DesignRush is vetted for expertise and client satisfaction to support your decision-making. Some listings may be sponsored.
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 [... view Nova Era Agency profile ]- 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
You Think It We Build It.
A leading IT outsourcing & software development company offering AI-Powered web and mobile app development services. [... view TOPS Infosolutions Pvt Ltd. profile ]- Location
- Fremont, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $18/hr
- Portfolios Count
- 2 Projects Listed
Where Clients Are Family
We are a family-run agency providing business development, strategy, and marketing support for entrepreneurs and small businesses [... view CSD Marketing And Consulting, LLC profile ]- Location
- San Diego, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $200/hr
- Minimal Budget
- $1,000 - $10,000
AI Power Agency and Development Shop.
Easiio build AI tools called ChatAI. We help our customers with these tools and implemented Large Language Model base AI technologies for their website or business software. Helping our customers do more with less and improve their efficiency. Our rate is very competitive with the help of AI and quality of [... view Easiio profile ]- Location
- Santa Clara, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $30/hr
- Minimal Budget
- $1,000 - $10,000
Big Ideas Start with SunerGarcia.
We are SunerGarcia. We are an innovative digital marketing agency that focuses on building around technology and consumer experience. We build exciting brand experiences for our clients. Our team is a fine assortment of movers and shakers, creatives, designers, planners, tech enthusiast, and all around hard [... view SunerGarcia profile ]- Location
- San Diego, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $150/hr
- Minimal Budget
- $1,000 - $10,000
Innovative Digital Solutions For A Smarter Future
Rysysth Technologies is a full-service IT solutions provider specializing in web development, digital transformation, and enterprise solutions. We help businesses scale with modern technologies, user-friendly designs, and performance-driven strategies. From custom websites to cloud-based platforms, our team [... view Rysysth Technologies profile ]- Location
- Sacramento, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $45/hr
- Minimal Budget
- $10,000 - $25,000
Best Websites for Best Business
WebsiteDezk is a premier digital marketing agency thats enabling companies to grow by aligning their business with a data-centric strategy. From mobile apps to video production, website design to branding, search engine optimized content to complete digital marketing we do it all. [... see all WebsiteDezk reviews ]- Location
- Anaheim, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $50/hr
- Minimal Budget
- Under $1,000
Top Web and Mole App Development Company
Webmob Technologies is global leader in custom web & app development, offering consulting & development services to businesses of all sizes -from startups to mid-sized organizations to enterprises. Our custom web & app-development expertise have earned us top reviews & prominent position in industry [... view WebMob Technologies profile ]- Location
- San Jose, California
- Number of Employees
- 100 - 249
- Portfolios Count
- 9 Projects Listed
Best award-winning software development company in South Korea.
Time Tec South Korea is a top-rated, multi-award-winning software development company providing a full suite of services and solutions like mobile application development, software development, Microsoft Dynamics 365 development, web development, ServiceNow consulting, and cybersecurity consulting to small [... view In Time Tec South Korea profile ]- Location
- Roseville, California
- Number of Employees
- 1000 & Up
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
Get Things Done
Space-O Technologies is a software development company having 13+ years of experience in delivering custom software solutions for startups, enterprises, and Fortune 500 companies. [... see all Space-O Technologies reviews ]- Location
- Ontario, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 4 Projects Listed
Achieving the Unachievable.
We create and manage the world's most iconic brands. Brand and product agency that delivers heroic work and legendary clients. DECOSTA has worked with clients in a wide range of industries including entertainment, consumer goods, technology, energy, finance, and more. [... view DECOSTA Global profile ]- Location
- Burbank, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $300/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 6 Projects Listed
Overcoming challenges through apps!
Xduce is more than a technology company; we're architects of digital transformation. With an unwavering focus on innovation, we've been reshaping industries since our inception. Our influence spans across the globe, redefining businesses and markets. [... see all XDuce reviews ]- Location
- San Francisco, California
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 3 Projects Listed
Accelerating Progress Through Technology
We can extend your team, expand your products and innovate your current technology. [... view ArkusNexus profile ]- Location
- San Diego, California
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $100/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 2 Projects Listed
Navigating the IT Future With Clarity of Thought
At HyScaler, we're driven by a mission to be your trusted partner in achieving transformative business objectives. Our global vision focuses on harnessing cutting-edge technologies to craft sustainable, intelligent, and secure solutions. [... view HyScaler profile ]- Location
- Santa Clara, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $30/hr
- Minimal Budget
- $1,000 - $10,000
- 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. [... view TATEEDA profile ]- 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
Hire Ruby on Rails Developers.
4 Way Technologies is a USA based creative Ruby on Rails Developer Company. With our vision of providing quality-driven solutions at affordable costs, we have completed several years of business. [... view 4 Way Technologies profile ]- Location
- Fremont, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $1000/hr
- Minimal Budget
- Under $1,000
- Portfolios Count
- 1 Project Listed
Custom Software Development Company in Australia, USA and India
Albiorix Technology is a leading custom software application development provider with years of experience. Get specialized software development services right away. [... view Albiorix Technology Pvt. Ltd. profile ]- Location
- Irvine, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 9 Projects 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 [... view EZ Digital profile ]- Location
- Los Angeles, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $10,000 - $25,000
Build Mobile Apps that Grow Your Business
MetaCTOÂ will transform your vision into impactful mobile apps that drive new revenue, attract more customers, and keep them coming back longer. Our mission is to make your business a technology leader in your field. [... view MetaCTO profile ]- Location
- Los Angeles, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $100/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 1 Project Listed
Top Augmented Reality & Virtual Reality Agency
An Immersive Media Agency specializing in the development of Extended Reality (XR, AR, VR, MR) experiences driving meaningful connections between brands & consumers. Our global team of skilled designers, artists, and developers craft creative narratives & experiences powered by emerging tech. [... view Fishermen Labs profile ]- Location
- Culver City, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $200/hr
- Minimal Budget
- $10,000 - $25,000
AI-Powered Community of Expert Dev Teams
DevTeam.Space is an AI-powered community of expert dev teams. Our mission is to help more businesses build great online products. [... view DevTeam.Space profile ]- Location
- Sunnyvale, California
- Number of Employees
- Under 49
- Minimal Budget
- $1,000 - $10,000
Your Marketplace in a Month.
At Start Mobile, we create innovative online marketplaces featuring mobile apps and AI-powered by ChatGPT. Our unique approach ensures each platform is tailored to meet specific business needs, enhancing user experience and functionality. Partner with us to leverage cutting-edge technology and transform your [... view Start Mobile profile ]- Location
- Los Angeles, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $35/hr
- Minimal Budget
- $1,000 - $10,000
Innovate, Iterate, Impress
With an unwavering commitment to excellence, we have cemented our position as the go-to agency for innovative and groundbreaking digital marketing solutions. At IDG, we possess a definite belief in the power of brand elevation and transformative growth. Our team of experts, armed with unparalleled expertise [... view Infinite Digital Group profile ]- Location
- Concord, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $120/hr
- Minimal Budget
- $1,000 - $10,000
Experience Award Winning UX/UI Design From Us.
Eyfect Designs is a full-service digital agency specializing in web design, development, and mobile app solutions. We create custom, responsive websites and mobile apps tailored to your brand's needs. Our services also include SEO, digital marketing, UI/UX design, and app maintenance. We are dedicated to [... view Eyfect Designs profile ]- Location
- San Diego, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $35/hr
- Minimal Budget
- $1,000 - $10,000
Branding That Speaks for Itself.
Trusted by clients from around the world, Ikigai has been standing out for over decade [... view Ikigai Branding Agency profile ]- Location
- Los Angeles, California
- Number of Employees
- Under 49
Forging Digital Realities.
Appnality is an American software company that offers diverse mobile app development services. Be it App Concept and Strategy or UX and UI design development, Appnality has all your mobile app needs covered. Our quality assurance, testing, and data protection provide you with a fulfilling, keeping you and [... view Appnality profile ]- Location
- Fremont, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $10,000 - $25,000
A Full Stack Mobile App and Web Development Agency
Moveo believes mobile apps are disruptive pieces of technology that have the capacity to make your business more profitable. We see apps as growth accelerators that help leverage hidden business potential to generate more revenue and increase profits. [... view Moveo Apps profile ]- Location
- San Diego, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
Rivi - AI Tools For Travel Companies
Rivi specializes in developing AI and technology solutions for forward-thinking companies. We empower businesses to innovate and stay ahead of the curve. [... view Rivi, Inc. profile ]- Location
- San Francisco, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $45/hr
EpicBliss Solutions provides a variety of IT services.
Many worldwide clients are now using "EpicBliss" benchmark solutions, We're capable to drive you to the right tech-track for your laudable idea. So, let's scrutinize your business need, mold it and establish it with the latest and most suitable technologies. [... see all EpicBliss reviews ]- Location
- Ontario, California
- Number of Employees
- Under 49
Translating Ideas & Research to Market
KritiKal Solutions is a technology design house and holds 22+ years of experience in AI, Computer Vision, Software Applications, Cloud and Mobile-based Solutions, Embedded Systems, Generative AI and Large Language Models. We specialize in R&D, product engineering, and innovation services. [... view Kritikal Solution profile ]- Location
- Los Angeles, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 4 Projects Listed
Driven Companies Towards Their Digital Transformation
We are a company specialized in software development for mobile platforms, portals and electronic commerce since 1991. [... view MSP Mobility Corp. profile ]- Location
- Concord, California
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $24/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 1 Project Listed
We Are Focused on Making Things Work for You and Your Business!
COFA Media uses a people-based approach to deliver exceptional branding services. Their digital marketing team focuses on each client's unique audience, which results in a high client satisfaction rate. Some of COFA Media's core services include e-commerce, website design, social media, SEO, interaction & UX [... view Cofa Media profile ]- Location
- Carlsbad, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $125/hr
- Minimal Budget
- $25,000 - $50,000
Digital Solutions With Personalized Service.
Clap Creative is your next door tech firm in Los Angeles offering full-range web services under one roof. An experienced team of web professionals works to create custom internet solutions to meet your business goals. And when we say partners, we mean it! [... view Clap Creative profile ]- Location
- Calabasas, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $1,000 - $10,000
That Tell Your Story -And Drive Results
At SPINX Digital, their team of innovators, digital marketers, and video editors in tech and design, bring skills above and beyond the ordinary to every project. [... view SPINX Digital profile ]- Location
- Los Angeles, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $150/hr
- Minimal Budget
- $25,000 - $50,000
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 [... view Jaxel profile ]- Location
- Pleasanton, California
- Number of Employees
- Under 49
- Minimal Budget
- $10,000 - $25,000
Capturing Reality To Design The Future
ScanTek 3D is a San Diego-based Design & Engineering Firm that develops and enables leading edge lidar solutions that allow for high-precision 3D capture, measurement and analysis across a variety of industries, including manufacturing, construction, engineering and public safety. Our team of experts lead the [... view ScanTek profile ]- Location
- San Diego, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $105/hr
Generative AI Development Company
Generative AI Development Company: AI Solutions for Startups and Enterprises. In the fast-paced world of 2024, RedBlink stands at the forefront of the AI revolution, transforming ideas into reality with cutting-edge AI-driven development. [... view RedBlink profile ]- Location
- Danville, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $15/hr
- Minimal Budget
- $1,000 - $10,000
Grow Your Web Presence
In what has proven to be the best decision of my life, I took the summer of 2012 off to ride my bike across the country to raise money and awareness for affordable housing. [... view Kegan Quimby profile ]- Location
- San Francisco, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $150/hr
- Minimal Budget
- $1,000 - $10,000
Digital Experiences With A Creative Edge
NoMoBo creates handcrafted mobile apps and visually stunning web applications with a unique approach. Our experienced artists and User Experience designers prioritize your customers, with in-depth research and scalable Cloud IT infrastructure. We deliver high-rated apps and exceptional user experiences. [... view NoMoBo profile ]- Location
- San Diego, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $99/hr
- Minimal Budget
- $25,000 - $50,000
Experts in Web Design and Development
Frugalnova is a well-known brand in the industry of website and mobile app development. Our worldwide headquarters are in Mumbai, India, with operations in California, the United States, and London. We serve customers from all around the world. Our cutting-edge technology helps our partners optimize their [... view Frugalnova profile ]- Location
- Berkeley, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $15/hr
- Minimal Budget
- $1,000 - $10,000
Custom Software Development, AI, and Resourcing Solutions On Demand
We provide clients with both onshore and nearshore teams, with software developers and designers spread out across the United States and Latin America. [... view FullStack Labs profile ]- Location
- Granite Bay, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $49/hr
- Minimal Budget
- $25,000 - $50,000
Efficient Solutions for a Better Business
Agilistry is a leading software development company that utilizes the latest development methodologies, tech and industry best practices to deliver world-class mobile applications with embedded quality and DevOps infrastructure on time and within budget. [... view Agilistry profile ]- Location
- Los Angeles, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $49/hr
- Minimal Budget
- $10,000 - $25,000
Tailored Product & Software Development Firm
By assisting businesses in maximizing their online presence, GBMF generates intrinsic value. The complex is made clear by GBMF's development and design of creative and innovative services using a process-driven methodology. [... view GBMF Tech profile ]- Location
- Citrus Heights, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $49/hr
- Minimal Budget
- $50,000 & Up
Compelling Design Meets Robust Usability.
Since 2003 we have developed bespoke websites and mobile apps for industry, government, and non-profits. From the beginning, our philosophy has been that everything we build must combine compelling design with high usability and robust security. [... view Handmade Interactive LLC profile ]- Location
- Pasadena, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $75/hr
- Minimal Budget
- $1,000 - $10,000
We Disrupt Global Brands With UI/UX Design.
We're a global UI UX design and Growth Acceleration Agency, specialising in user experience design, branding, performance marketing, and creative technology that drives businesses forward. [... view UxSquare profile ]- Location
- San Francisco, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $49/hr
Offshore Software Development, Web & Mobile App Development Company since 1999
Offshore Software Development, Web & Mobile App Development Company since 1999, based in USA and India.We work with ‘Reliability’ as our hallmark and provide software development outsourcing services to clients in 25+ countries across the globe. [... view WeblineIndia profile ]- Location
- Irvine, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $20/hr
- Portfolios Count
- 3 Projects Listed
Transform Your Business Using Our Digital Solutions!
We are a web and AI development agency helping startups and businesses build scalable digital products. Our team specializes in modern web applications, AI integrations, automation systems, and SaaS platforms. From idea to deployment, we focus on creating fast, secure, and user-friendly solutions that help [... see all WebeXcellence reviews ]- Location
- Tracy, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $20/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 3 Projects Listed
Bridging the gap between Ideas and Reality
Top mobile app development company that offers cost-effective Android, iOS applications design and development services in USA and India. [... see all Appventurez Mobitech reviews ]- Location
- San Jose, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 3 Projects Listed
Infinite Possibilities in Mobile and Software
Infiniti Qube is a premier Mobile and Web Development company dedicated to transforming innovative ideas into exceptional digital experiences. We specialize in creating customized solutions that drive business success and enhance user engagement. [... view Infiniti Qube profile ]- Location
- Anaheim, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $25/hr
- Portfolios Count
- 2 Projects Listed
Professional Website Design & Development Company in USA.
Website Barrel stands as a distinguished professional website design company, providing cost-effective and tailor-made web development services executed by seasoned experts based in the USA. With a commitment to excellence, our team of skilled professionals utilizes their expertise to craft bespoke websites [... view Website Barrel profile ]- Location
- Los Angeles, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $100/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 3 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.
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