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

310 Companies - Rankings updated: August 19, 2026

DesignRush vets all agencies based on professional qualifications and verified customer feedback to help you choose confidently. Some featured agencies maintain paid sponsorships.

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  • Utility

    Award-Winning Mobile Design & Development Agency with AI Expertise

    Utility is a premier digital product agency specializing in custom mobile apps, web platforms, and AI-powered solutions for forward-thinking startups and global brands including Airbnb, Coca-Cola, Samsung, the NBA, and Forbes...

    Location
    Los Angeles, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $149/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    1 Project Listed
    Visit Website View Profile
    4.6 4.6 (10)

  • Femtomax Inc.

    Verified Verified by the DesignRush team for authenticity and credibility.

    Technology Solutions for You.

    Access information technology professionals with experience of working with startups to Fortune 500 companies without breaking the bank. Our services are well suited for retail, manufacturing, startups and healthcare businesses. Talk to us for a free consultation...

    Location
    San Jose, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    3 Projects Listed
    Visit Website View Profile

  • Burbon Studios

    Pushing Brands Further.

    Burbon Studios is an end to end power house crafting forward thinking brands, accompanied by best in class practices & brilliant design...

    Location
    Santa Monica, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed
    Visit Website View Profile
    5.0 5.0 (35)

  • Qodestar

    Mobile App Experiences That Inspire

    Qodestar is a digital studio focused on building clean, high-performing mobile apps and digital experiences. We partner with startups, growing businesses, and creative teams to transform ideas into intuitive mobile solutions through thoughtful design and development...

    Location
    San Diego, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $75/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    1 Project Listed
    Visit Website View Profile

  • Web Design Mechanic

    A Leading Web Design & Development Agency

    Web Design Mechanic creates clean, custom websites and digital experiences build to match your business goals. "No templates", just thoughtful design and smart development. We also offer digital marketing services like, Search Engine Optimization, Social Media Marketing, Online Reputation Management, and...

    Location
    Fremont, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed
    Visit Website View Profile

  • Nova Era Agency

    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...

    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
    Visit Website View Profile
    5.0 5.0 (19)

  • TOPS Infosolutions Pvt Ltd.

    You Think It We Build It.

    A leading IT outsourcing & software development company offering AI-Powered web and mobile app development services...

    Location
    Fremont, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $18/hr
    Portfolios Count
    2 Projects Listed
    Visit Website View Profile

  • CSD Marketing and Consulting, LLC

    Where Clients Are Family

    We are a family-run agency providing business development, strategy, and marketing support for entrepreneurs and small businesses...

    Location
    San Diego, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $200/hr
    Minimal Budget
    $1,000 - $10,000
    Visit Website View Profile

  • Easiio

    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...

    Location
    Santa Clara, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $1,000 - $10,000
    Visit Website View Profile

  • SunerGarcia

    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...

    Location
    San Diego, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $1,000 - $10,000
    Visit Website View Profile

  • Rysysth Technologies

    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...

    Location
    Sacramento, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $45/hr
    Minimal Budget
    $10,000 - $25,000
    Visit Website View Profile
    5.0 5.0 (1)

  • WebsiteDezk

    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...

    Location
    Anaheim, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    Under $1,000
    Visit Website View Profile
    2.3 2.3 (1)

  • WebMob Technologies

    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...

    Location
    San Jose, California
    Number of Employees
    100 - 249
    Portfolios Count
    9 Projects Listed
    Visit Website View Profile
    4.1 4.1 (86)

  • In Time Tec South Korea

    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...

    Location
    Roseville, California
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Visit Website View Profile

  • QLO Agency

    Strategies, Branding and Digital Products for Companies Who Are Ready for Changes.

    QLO Agency is a Los Angeles based design and technology studio founded in 2024. The firm delivers branding, UX/UI, web and app design, motion graphics, packaging, and 3D animation. With a lean team of under 50, QLO specializes in crafting bold digital experiences for startups, consumer brands, and global...

    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $110/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    3 Projects Listed
    Visit Website View Profile

  • DECOSTA Global

    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...

    Location
    Burbank, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $300/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    6 Projects Listed
    Visit Website View Profile
    5.0 5.0 (1)

  • Ozodeck Inc.

    We Design Modern Creative Websites

    We provide excellent solution with modern and trendy design for Website and Mobile app. Give a touch of modern solution to your business...

    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $60/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed
    Visit Website View Profile
    5.0 5.0 (4)

  • XDuce

    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...

    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
    Visit Website View Profile
    2.4 2.4 (1)
    4.4 4.4 (27)

  • ArkusNexus

    Accelerating Progress Through Technology

    We can extend your team, expand your products and innovate your current technology...

    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
    Visit Website View Profile
    4.3 4.3 (14)

  • TATEEDA

    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...

    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
    Visit Website View Profile
    5.0 5.0 (10)

  • 4 Way Technologies

    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...

    Location
    Fremont, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $1000/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    1 Project Listed
    Visit Website View Profile
    5.0 5.0 (4)

  • EZ Digital

    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...

    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000
    Visit Website View Profile
    5.0 5.0 (1)

  • MetaCTO

    Build Mobile Apps that Grow Your Business

    MetaCTO 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...

    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
    Visit Website View Profile

  • Fishermen Labs

    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...

    Location
    Culver City, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $200/hr
    Minimal Budget
    $10,000 - $25,000
    Visit Website View Profile

  • DevTeam.Space

    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...

    Location
    Sunnyvale, California
    Number of Employees
    Under 49
    Minimal Budget
    $1,000 - $10,000
    Visit Website View Profile

  • Start Mobile

    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...

    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $1,000 - $10,000
    Visit Website View Profile

  • Infinite Digital Group

    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...

    Location
    Concord, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $120/hr
    Minimal Budget
    $1,000 - $10,000
    Visit Website View Profile
    5.0 5.0 (10)

  • Eyfect Designs

    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...

    Location
    San Diego, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $1,000 - $10,000
    Visit Website View Profile

  • Appnality

    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...

    Location
    Fremont, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000
    Visit Website View Profile
    4.3 4.3 (6)

  • Bay Area Coders

    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...

    Location
    Roseville, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $1,000 - $10,000
    Visit Website View Profile

  • Born West Inc.

    We Build Digital Products, Experiences, And Systems ‍that Matter.

    Born West is a creative tech agency. We turn ambitious ideas into working software from inception to launch. Our senior strategists, designers, and engineers work as one team to shape digital products, AI-powered tools, platforms, and experiences that are thoughtful, scalable, and built to ship...

    Location
    Concord, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $200/hr
    Visit Website View Profile

  • Moveo Apps

    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...

    Location
    San Diego, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Visit Website View Profile

  • Rivi, Inc.

    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...

    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $45/hr
    Visit Website View Profile

  • EpicBliss

    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...

    Location
    Ontario, California
    Number of Employees
    Under 49
    Visit Website View Profile
    4.3 4.3 (1)
    5.0 5.0 (36)

  • Kritikal Solution

    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...

    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
    Visit Website View Profile
    5.0 5.0 (2)

  • Forge Studio

    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...

    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
    Visit Website View Profile

  • MSP Mobility Corp.

    Driven Companies Towards Their Digital Transformation

    We are a company specialized in software development for mobile platforms, portals and electronic commerce since 1991...

    Location
    Concord, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $24/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    1 Project Listed
    Visit Website View Profile

  • Cofa Media

    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...

    Location
    Carlsbad, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $125/hr
    Minimal Budget
    $25,000 - $50,000
    Visit Website View Profile
    5.0 5.0 (3)

  • Jaxel

    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...

    Location
    Pleasanton, California
    Number of Employees
    Under 49
    Minimal Budget
    $10,000 - $25,000
    Visit Website View Profile

  • ScanTek

    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...

    Location
    San Diego, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $105/hr
    Visit Website View Profile

  • Kegan Quimby

    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...

    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $1,000 - $10,000
    Visit Website View Profile
    5.0 5.0 (17)

  • NoMoBo

    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...

    Location
    San Diego, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $99/hr
    Minimal Budget
    $25,000 - $50,000
    Visit Website View Profile
    5.0 5.0 (4)

  • Agilistry

    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...

    Location
    Los Angeles, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $49/hr
    Minimal Budget
    $10,000 - $25,000
    Visit Website View Profile

  • Handmade Interactive LLC

    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...

    Location
    Pasadena, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $75/hr
    Minimal Budget
    $1,000 - $10,000
    Visit Website View Profile
    1.0 1.0 (1)

  • Aunimeda

    From The Silicon Steppe To Silicon Valley

    Aunimeda Software is a premier IT agency specializing in high-performance Next.js development, international SEO, and strategic branding. Established in 2010, we bridge the gap between US business standards and elite Central Asian engineering. With a 24/7 "Follow-the-Sun" development cycle across our hubs in...

    Location
    Los Angeles, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $1,000 - $10,000
    Visit Website View Profile
    5.0 5.0 (11)

  • UxSquare

    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...

    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $49/hr
    Visit Website View Profile

  • WebeXcellence

    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...

    Location
    Tracy, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    3 Projects Listed
    Visit Website View Profile
    4.3 4.3 (1)
    5.0 5.0 (9)

  • Infiniti Qube

    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...

    Location
    Anaheim, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Portfolios Count
    2 Projects Listed
    Visit Website View Profile

  • Website Barrel

    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...

    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
    Visit Website View Profile

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