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
DesignRush assesses agencies using expertise standards and verified client experiences to help you make better decisions. Certain agencies have paid placements.
We Build Next-Generation Applications for Small and Mid-Sized Companies.
Sunvera Software builds innovative and intelligent chatbot solution, mobile, and web applications to help small and mid-sized companies improve operational efficiency and customer satisfaction while reducing company costs. [... view Sunvera Software profile ]- Location
- Orange County, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $75/hr
- Minimal Budget
- $10,000 - $25,000
Solutions for Technology and Marketing.
3DEX Inc., a California-based software provider, delivers innovative solutions globally, serving industries such as healthcare, e-commerce, logistics, and finance. With expertise in AI, quantum computing, and advanced software development, we help businesses transform through cutting-edge technology [... view 3DEX profile ]- Location
- Irvine, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $149/hr
- Minimal Budget
- Under $1,000
Affordable & Premium Web Development Company
Royce Web Solutions is a full service digital agency specializing in custom websites, e-commerce stores, SaaS platforms, and AI-Powered web and mobile apps. We help startups and businesses turn ideas into fast, scalable and user-friendly digital products. [... view Royce Web Solutions profile ]- Location
- Mountain View, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $35/hr
- Minimal Budget
- $1,000 - $10,000
We Build Cool Stuff With Cool People...
Kingdom Vision is a digital agency specializing in web design, web development, and custom software solutions for businesses and startups. The company offers a range of services including mobile app development, CMS development, branding, and digital marketing to help clients build and grow their online [... view Kingdom Vision profile ]- Location
- San Jose, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $25/hr
- Minimal Budget
- Under $1,000
Rocket your business forward with our expertise.
Rocket Systems is focused on producing high-quality code, we take extra precautions to ensure that our technological approach is congruent with the ambitions of our customers. Additionally, we strive to create code bases that are both scalable and easily maintained. In order to construct a digital product [... view Rocket Systems profile ]- Location
- Sacramento, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $10,000 - $25,000
Precision Discipline Delivery
Luvina is a well-known software outsourcing business that specializes in providing clients all around the world with excellent IT solutions. With a dedicated team of more than 750 experts, Luvina provides comprehensive software development services that are customized to each client's specific needs. Luvina [... view Luvina Software profile ]- Location
- San Jose, California
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $25/hr
Change Before You Have To
KriyaTec is a software development and services company. We leverage Blockchain, IoT, RPA, AI,Ml to paradigm shift your enterprises or startups from what you are to what you want to be. [... view KriyaTec IT Systems profile ]- Location
- San Francisco, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $15/hr
Mobile app and full-stack development services in San Francisco and New Delhi.
Radiansys Inc, established in 2007, is a technology company based in the San Francisco Bay Area with a development center located in Gurgaon, India. We specialize in Mobile App Development, Full-Stack, Node JS, MEAN Stack, MERN Stack, VUE JS, React, React Native, Python, Django, PHP, Laravel, Angular, Restful [... view Radiansys profile ]- Location
- Fremont, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $10,000 - $25,000
Transform Your Online Presence With Our Expert Website Design Service.
Designix is an industry-leading web design and development firm that excels in delivering integrated marketing, IT, and design services. [... view Designix LLC profile ]- Location
- Mather, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $50/hr
- 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. [... view Indium profile ]- Location
- Cupertino, California
- Number of Employees
- 1000 & Up
- Average Hourly Rate
- $50/hr
Top Mobile App and Web Development Company in Canada, USA and UK
We design highly polished iPhone, Android and Web Apps for startups and Enterprise clients. [... view MobMaxime profile ]- Location
- Sunnyvale, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $15/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 3 Projects Listed
Skyrocket Your Business With eCommerce Development.
End-to-end eCommerce website development and infrastructure solutions for B2B, B2C, and D2C proven by our 1000+ happy clients in 170 countries. [... view Simtech Development profile ]- Location
- San Diego, California
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $1,000 - $10,000
GO-TO Digital Transformation Partner
AQe Digital specializes in enterprise software engineering and digital transformation. With 25+ years of experience, we deliver custom development, cloud-native ERP, AI/ML, RPA, IoT, UX/UI, and integrations that modernize systems and streamline operations. [... see all AQe Digital reviews ]- Location
- Los Angeles, California
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $30/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 1 Project Listed
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 [... view Beehive Software profile ]- Location
- San Jose, California
- Number of Employees
- 100 - 249
- Minimal Budget
- $10,000 - $25,000
Think Digital
B3NET Inc. stands as a leading web design company, offering personalized website solutions, digital marketing, app development, and AI integration services to small and mid-sized businesses in Dallas, Texas. With roots dating back to 1999, our skilled team is committed to providing responsive website design [... view B3NET Inc profile ]- Location
- Santa Ana, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $50/hr
Your Vision, Our Innovation Together, We Build the Future.
RSunBeat Software is a globally trusted leader in mobile app development, serving businesses in the USA, UK, Australia, Italy, Dubai, Brazil, and more. We design innovative, high-quality apps that boost growth, elevate user experiences, and turn ideas into powerful digital solutions. [... view RSunBeat Software profile ]- Location
- California City, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $15/hr
- Minimal Budget
- $1,000 - $10,000
The Best Way To Build Your Software.
Our focus is on providing businesses with the tools they need to reach their maximum potential through the use of our cutting-edge software solutions. Launch your product to market 2x faster with Techjay's strong business domain experience, technical expertise, extensive knowledge of the latest industry [... view Techjays profile ]- Location
- Menlo Park, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $28/hr
- Minimal Budget
- $10,000 - $25,000
Your full-service design partner.
Interstellar Design Studio specializes in branding and visual design, offering custom solutions that elevate brands through creative, modern, and impactful design. [... view Interstellar Design profile ]- Location
- San Jose, California
- Number of Employees
- Under 49
- Minimal Budget
- $1,000 - $10,000
A Growth Partner Built for Vcs and Their Portfolio
Pretty Great® is an integrated creative studio designed and run like a talent management company. We search the world for the best creative talent, and we connect them with brands. [... view Pretty Great 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
Building the Future, Code At A Time
Ambsan Digital is a full stack company specializing in high-performance web and mobile app development. We transform ideas into scalable digital products, offering end-to-end services from UI/UX design and custom web platforms to native and cross-platform mobile applications. Our expert developers focus on [... view Ambsan Digital profile ]- Location
- California City, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $1,000 - $10,000
Cutting-Edge Web, Software & AI Development Company
TechVerdi a cutting-edge development company offering web, software, mobile app, and AI solutions to create scalable, innovative solutions for businesses. [... view TechVerdi profile ]- Location
- Santa Clara, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $20/hr
- Portfolios Count
- 1 Project Listed
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. [... view Acquaint SoftTech profile ]- Location
- Highland, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $20/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 6 Projects Listed
Global AI, Software & Marketing Company
At Skylane Solutions, we help businesses grow smarter, faster, and stronger with data-driven digital marketing strategies. From startups to established brands, we provide tailored solutions that generate real results more traffic, more leads, and more sales. Founded in 2021, Skylane Solutions is a global [... view Skylane Solutions profile ]- Location
- Los Angeles, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $25/hr
- Minimal Budget
- Under $1,000
- Portfolios Count
- 1 Project Listed
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. [... see all AlgoRepublic reviews ]- Location
- Los Angeles, California
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $30/hr
- Minimal Budget
- Under $1,000
- Portfolios Count
- 1 Project Listed
Build Better Software.
Tech.us is a leading provider of specialized technology services, including custom software development, artificial intelligence and machine learning solutions, mobile app development, web and cloud application development, and cybersecurity. [... view Tech.us, Inc profile ]- Location
- San Jose, California
- Number of Employees
- 100 - 249
- Minimal Budget
- $10,000 - $25,000
Tap Built, located in California, creates innovative mobile apps and engaging games for entrepreneur
Tap Built Located in California creates innovative mobile apps and engaging games for entrepreneurs startups and business worldwide. [... view Tap Built profile ]- Location
- West Covina, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $100/hr
- Minimal Budget
- $1,000 - $10,000
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. [... view IQlance Solutions Canada profile ]- Location
- Ontario, California
- Number of Employees
- 50 - 99
- Minimal Budget
- $10,000 - $25,000
Experience-Driven Engineering to Digitally Transform Your Business To Stay Ahead.
Experience-driven engineering to digitally transform your business to stay ahead. We understand your vision and help you build your thoughts into world-class software products. We work with businesses and individuals to help build world-class products and incubate them to grow. Trust us as your technology [... view AeroQube profile ]- Location
- Pleasanton, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $25/hr
Software Engineering Design Results.
Our expertise lies in the orchestration and direction of software engineering teams, meticulously crafting custom solutions tailored to the unique needs of our clients. We specialize in the biotech, life science, and healthcare sectors, and we leverage our deep domain knowledge to deliver cutting-edge [... view WebMovement LLC profile ]- Location
- San Diego, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $100/hr
- Minimal Budget
- $10,000 - $25,000
Growth-Focused Digital Agency
We are a top digital agency with offices in India, the USA, and Canada that develops custom software, mobile apps, and websites. [... see all Native DevOps reviews ]- Location
- Los Angeles, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $49/hr
- Minimal Budget
- $1,000 - $10,000
Global Web Development & Digital Marketing Experts
DS Technologies is a global web design, development, and digital marketing agency. We specialize in creating innovative, custom solutions that drive measurable results. With expertise in SEO, UI/UX, and scalable web applications, we help businesses worldwide grow their digital presence and achieve sustainable [... view DS Technologies (Pvt.) Limited profile ]- Location
- Los Angeles, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
Your Full Digital Development Experience.
Phoenix Afterglow is a premier multimedia company specializing in web development, app development, online marketing, and cybersecurity. They are dedicated to upholding the highest standards of performance, integrity, and ethics to ensure client satisfaction and achieve a lasting sense of fulfillment for all [... view Phoenix Afterglow profile ]- Location
- Irvine, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $1,000 - $10,000
Your Extended Engineering Team
Argusoft is a trusted software solutions design consultancy that provides end-to-end, enterprise-class turnkey solutions. Our team of Argonauts are trained to think design at every step, architecting, designing, and coding with the business goals and objectives of our clients in mind. [... view Argusoft profile ]- Location
- Newark, California
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $30/hr
- Minimal Budget
- $25,000 - $50,000
We Elevate Brands From Good to Great.
At AlphaSquad Technologies, we transcend mere development to craft transformative digital experiences. With unmatched proficiency in Web Development and Mobile Application Development, we pave the way toward an innovative, digitally evolved landscape. Our specialization lies in pioneering Website Design [... view AlphaSquad Technologies profile ]- Location
- San Francisco, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
Empowering Innovation, Connecting Excellence
FACTn Software, your trusted partner in software engineering outsourcing solutions. Founded with a passion for technological innovation and a commitment to excellence, FACTn Software is dedicated to providing top-tier software engineering talent to companies in the Scandinavian region and beyond. [... view FACTn Software profile ]- Location
- Los Angeles, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $45/hr
- Minimal Budget
- $1,000 - $10,000
Beautiful & Functional Digital Solutions That Deliver ROI
Endertech (endertech.com, 310.400.0800) is a full-service web and software development company near Los Angeles since the year 2000 providing custom design, e-commerce, software development, and online marketing support. “If you can dream it; We can build it”. [... view Endertech profile ]- Location
- Torrance, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $150/hr
- Minimal Budget
- $1,000 - $10,000
Southern Californias Mobile App experts since 2009
We are San Diego's mobile-native and mobile-first consultancy. We specialize in Swift for iOS, Flutter for iOS/Android, and React for Web. We have led projects for Fortune 500 companies and startups. If you're looking for an easy-to-talk-to and experienced partner to build your app, call devAtelier! [... view DevAtelier profile ]- Location
- San Diego, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $125/hr
- Minimal Budget
- $10,000 - $25,000
Proven Excellence Through Custom Web Design and Development Services.
Allusive Digital is a creative and marketing agency that helps businesses grow through branding, web design, content development, and digital marketing. The agency blends thoughtful strategy with polished creative execution to help clients increase visibility, strengthen their identity, and connect with their [... view Allusive Digital profile ]- Location
- Los Angeles, California
- Number of Employees
- Under 49
More Than Code We Build Trust Through Craft & Commitment
Engineered with integrity. Backed by mentorship. Delivered with care. BTS transforms ideas into scalable, secure, and impactful digital products that deliver long-term value. [... view Blue Trail Software profile ]- Location
- San Francisco, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $55/hr
- Minimal Budget
- $50,000 & Up
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 [... view Povio profile ]- Location
- San Francisco, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $70/hr
- Minimal Budget
- $1,000 - $10,000
Your Trusted Software Development Company
Softxpert is a global Software Development Company that was originally established with a basic mission to provide for a real need in the market for quality software applications at a competitive cost to serve small and medium businesses' demand for solutions that would enable them to present exceptional [... view Softxpert profile ]- Location
- Orange County, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $100/hr
Specializing in technology development and marketing services.
Covinten Media is a dynamic agency specializing in both technology development and marketing services. We create advanced digital products for businesses and implement marketing strategies to boost brands visibility and growth. Our dual expertise ensures comprehensive support for your business's success in a [... view Covinten Media profile ]- Location
- Los Angeles, California
- Number of Employees
- Under 49
- Minimal Budget
- Under $1,000
UMANG means Enthusiasm; Enthusiasm is what drives the mankind!
Umang has been working with some of the elite organization across the globe to develop and maintain their existing legacy applications. They are experts in developing custom software/Mobile/Web applications.Umang has expertise in Delphi, Java, PHP, Python, DotNet and 20+ other technologies and has domain [... view Umang Software Technologies profile ]- Location
- San Jose, California
- Number of Employees
- Under 49
Transforms Digital Idea Into Reality
Appther is a software and mobile app development company creating intelligent, scalable, and user-friendly digital solutions powered by innovation and AI. [... view Appther profile ]- Location
- Signal Hill, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $22/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 1 Project Listed
See Beyond, Rise Above.
Persistent Systems, a renowned global leader in software product development and technology services. Delve into our innovative offerings to stay ahead in the ever-evolving landscape of technology. [... view Persistent profile ]- Location
- Santa Clara, California
- Number of Employees
- 1000 & Up
- Average Hourly Rate
- $100/hr
- Minimal Budget
- $50,000 & Up
Trusted by Global Enterprises
At Briskstar Technologies, we have 6+years of experience in core development which makes valuable additions to help clients to grow their business. We have an experienced team of developers based out in India who can assist clients remotely as per their time zone with a weekly reporting structure. [... view Briskstar Technologies profile ]- Location
- Torrance, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $20/hr
- Minimal Budget
- $1,000 - $10,000
Shaping the future of Games.
Gamecrio Studios is the best Game Design - Development company in USA & India with 8+ years of experience in game Design & development. [... view Gamecrio Studios profile ]- Location
- San Francisco, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $18/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 1 Project Listed
We help accelerate your IoT!
Altiux Innovations is a software and product engineering services organization focused on helping you accelerate the development of your IoT solutions and products. We provide specialized engineering services across the entire IoT development cycle, from consulting, device engineering, cloud and mobility [... view Altiux Innovations Pvt. Ltd. profile ]- Location
- Milpitas, California
- Number of Employees
- 50 - 99
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 1 Project Listed
Innovate, Create, Excel.
SoftGrid Computers is a prominent custom software development company that excels in blending the latest technologies with well-organized creative work. With a strong focus on understanding client needs and delivering optimal solutions, we strive to be a reliable partner that offers great value for money. Our [... view SoftGrid Computers profile ]- Location
- Santa Monica, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $49/hr
- Minimal Budget
- $1,000 - $10,000
End-To-End Development
From web development to mobile app development and UI/UX design, Challenge TechnoLabs blends creativity with technology to deliver powerful digital products. [... view Challenge Technolabs profile ]- Location
- Richardson Springs, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $15/hr
- Portfolios Count
- 1 Project Listed
-Limited-logo-listing.jpg){kind=logo}
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
