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

325 Companies - Rankings updated: August 19, 2026

All agencies are evaluated on DesignRush for demonstrated expertise and authentic client reviews to support your decision. Certain placements are paid.

iPhone
All Industries
All Client Types
Sort by: Hourly Rate
United States × California ×

  • Amasta Media

    Your digital partner blending strategy, design, and technology to drive growth.

    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...

    Top Services:

    • Web Design
    • Digital Strategy
    • Business Consulting
    • UI/UX Design
    • Web Development
    • Show more
    Location
    Dublin, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    8 Projects Listed
    View Profile
    4.3 4.3 (1)

  • Dreamers Inc.

    Verified Verified by the DesignRush team for authenticity and credibility.
    Your spark, our fuel

    Your spark, our fuel

    Dreamers is a research, data science, and tech consultancy that specializes in building solutions for complex problems. We are based in sunny California, but we work remotely with clients from all over the world. We're engineer-owned and operated, meaning you'll get personal attention and quick answers...

    Top Services:

    • AI Development
    • Blockchain
    • Software Development
    • Mobile App Development
    • Wearables
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    14 Projects Listed
    View Profile
    4.3 4.3 (1)

  • Appstem

    Appstem Designs and Develops Custom Software To Help Our Clients Solve Complex Business Problems.

    Appstem Designs and Develops Custom Software To Help Our Clients Solve Complex Business Problems.

    Appstem is a full-service mobile strategy, design and development agency, Based in San Francisco, Appstem has delivered over 200 apps with a team of experts specializing in strategy, QA, development and UI/UX design...

    Top Services:

    • Web Design
    • eCommerce Development
    • IoT
    • Mobile App Development
    • Software Development
    • Show more
    Location
    San Francisco, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    5 Projects Listed
    View Profile
    4.6 4.6 (8)

  • SPINX Digital

    That Tell Your Story -And Drive Results

    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...

    Top Services:

    • eCommerce Development
    • Web Design
    • Mobile App Development
    • Branding
    • Digital Marketing
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $25,000 - $50,000
    View Profile
    4.9 4.9 (27)

  • KWALL

    A Creative Web Agency for Higher Education

    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...

    Top Services:

    • Web Design
    • UI/UX Design
    • SEO
    • Content Marketing
    • Social Media Marketing
    • Show more
    Location
    Costa Mesa, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    View Profile
    4.7 4.7 (3)

  • Endertech

    Beautiful & Functional Digital Solutions That Deliver ROI

    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”...

    Top Services:

    • Digital Services
    • Web Development
    • Web Design
    • eCommerce Development
    • Software Development
    • Show more
    Location
    Torrance, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $1,000 - $10,000
    View Profile
    4.6 4.6 (19)

  • WANDR

    #1 Product Strategy, UX Audit, UX Design

    #1 Product Strategy, UX Audit, UX Design

    Product design & marketing experts driving growth. Founded in 2013, Wandr is an award-winning Product strategy & UX/UI design agency...

    Top Services:

    • Digital Services
    • Design Services
    • Product Design
    • Digital Strategy
    • UI/UX Design
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    8 Projects Listed
    View Profile
    5.0 5.0 (18)

  • CreativeGray

    Software Development Company

    Software Development Company

    CreativeGray is a San Francisco based custom software development company that works with startups and enterprises to strategize and build digital products...

    Top Services:

    • Mobile App Development
    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    6 Projects Listed
    View Profile

  • Strive Enterprise

    Lets Grow Online

    Lets Grow Online

    Strive Enterprise is the ultimate solution for impactful web design, custom digital marketing solutions, and professional SEO services...

    Top Services:

    • Web Design
    • SEO
    • Digital Marketing
    • Web Development
    • WordPress Website Design
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    10 Projects Listed
    View Profile
    5.0 5.0 (360)

  • Kegan Quimby

    Grow Your Web Presence

    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...

    Top Services:

    • Web Design
    • Mobile App Development
    • Branding
    • UI/UX Design
    • Market Research
    • Show more
    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $1,000 - $10,000
    View Profile
    5.0 5.0 (17)

  • ISBX

    Designing and Building Platforms for Your AI Bot Development.

    Designing and Building Platforms for Your AI Bot Development.

    ISBX (Interactive, Strategy, Branding, Execution) stands as the premier web and mobile application development agency in Southern California, boasting extensive expertise across a diverse spectrum of digital services such as Mobile, Blockchain, IoT, Web3, and Web Development. With a track record of...

    Top Services:

    • Software Development
    • Mobile App Development
    • Web Development
    • Blockchain
    • IoT
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    7 Projects Listed
    View Profile
    5.0 5.0 (11)

  • SunerGarcia

    Big Ideas Start with 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...

    Top Services:

    • Web Design
    • Web Development
    • SEO
    • PPC
    • Software Development
    • Show more
    Location
    San Diego, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $1,000 - $10,000
    View Profile

  • Mind Frame Global LLC

    Best Advertising Agency in San Francisco

    Best Advertising Agency in San Francisco

    360-degree Mainline Marketing & Advertising Agency...

    Top Services:

    • Digital Services
    • Video Production
    • Graphic Design
    • Web Design
    • SEO
    • Show more
    Location
    San Ramon, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    9 Projects Listed
    View Profile

  • Mouche

    LA's Top WordPress, Webflow, and Shopify Digital Agency

    LA's Top WordPress, Webflow, and Shopify Digital Agency

    Mouche is a digital agency blending human creativity with AI efficiency. We specialize in eCommerce, Shopify, SEO, and user-centric websites built on WordPress, Webflow, and Wix. Based in Los Angeles, we help brands grow by driving traffic, boosting conversions, and creating smarter digital experiences...

    Top Services:

    • Digital Strategy
    • Branding
    • SEO
    • UI/UX Design
    • Content Marketing
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    4 Projects Listed
    View Profile

  • Design In DC

    Verified Verified by the DesignRush team for authenticity and credibility.
    A Digital Agency For The Future

    A Digital Agency For The Future

    Design in DC engineers native and cross-platform apps that power businesses through prototyping, UI/UX design, m-commerce development, backend API development, QA, App Store submission, and optimization. Its impressive client portfolio includes Under Armour, the World Bank, and Virginia Tech...

    Top Services:

    • Web Development
    • Web Design
    • UI/UX Design
    • Video Production
    • Logo Design
    • Show more
    Location
    San Francisco, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $160/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    11 Projects Listed
    View Profile
    4.8 4.8 (10)
    5.0 5.0 (47)

  • Clay

    Verified Verified by the DesignRush team for authenticity and credibility.
    Top UI/UX design, web design, and branding agency in San Francisco.

    Top UI/UX design, web design, and branding agency in San Francisco.

    Clay is a design and development agency whose mobile app work spans branding, UX, interaction design, and emerging tech, including AI, AR/VR, and Web3. In 16 years, its 78-person senior-led team has completed 529 projects for clients including Meta, Google, Stripe, Coinbase, Uber, and Sony...

    Top Services:

    • UI/UX Design
    • Mobile App Development
    • Web Development
    • Branding
    • Web Design
    • Show more
    Location
    San Francisco, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $175/hr
    Portfolios Count
    12 Projects Listed
    View Profile
    4.9 4.9 (37)
    4.8 4.8 (21)

  • Pastilla

    For People. For Progress.

    For People. For Progress.

    Pastilla is a full-service agency based in Los Angeles. We partner with public agencies, nonprofits, and global brands to turn complex missions into clear brand and digital experiences that build trust and move communities to action...

    Top Services:

    • Branding
    • Design Services
    • Graphic Design
    • Web Design
    • Web Development
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $185/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    18 Projects Listed
    View Profile
    5.0 5.0 (3)

  • Signature Creative

    Designing Digital Innovation, Delivering Impact

    Designing Digital Innovation, Delivering Impact

    Signature Creative is a Los Angeles based digital product and design agency founded in 2004. With a lean, senior-led team, they specialize in transforming brands through a combination of award-winning branding, UX/UI, creative technology, and full-stack development. The firm partners with Fortune 500s...

    Top Services:

    • Branding
    • Graphic Design
    • Social Media Marketing
    • Creative Services
    • Design Services
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $200/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    12 Projects Listed
    View Profile
    5.0 5.0 (6)

  • CSD Marketing and Consulting, LLC

    Where Clients Are Family

    Where Clients Are Family

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

    Top Services:

    • Digital Marketing
    • PPC
    • Email Marketing
    • Digital Services
    • Web Development
    • Show more
    Location
    San Diego, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $200/hr
    Minimal Budget
    $1,000 - $10,000
    View Profile

  • Fishermen Labs

    Top Augmented Reality & Virtual Reality Agency

    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...

    Top Services:

    • VR/AR
    • Web Development
    • Mobile App Development
    • Product Design
    • Web Design
    • Show more
    Location
    Culver City, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $200/hr
    Minimal Budget
    $10,000 - $25,000
    View Profile

  • Forge Studio

    Senior Product Designers Embedded in Your Team — Design Systems, Staff Augmentation, and Zero-to-One

    Senior Product Designers Embedded in Your Team — Design Systems, Staff Augmentation, and Zero-to-One

    Forge Studio places senior product designers (L4-L6 caliber) from Coinbase, Roblox, and Instacart directly into your team. Embedded design teams, enterprise design systems, and zero-to-one product design. $9.5M+ in engagements since 2017...

    Top Services:

    • UI/UX Design
    • Web Design
    • Product Design
    • Digital Strategy
    • AI Development
    • Show more
    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $200/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    2 Projects Listed
    View Profile

  • Born West Inc.

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

    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...

    Top Services:

    • Product Design
    • Web Design
    • eCommerce Development
    • Web Development
    • WordPress Website Design
    • Show more
    Location
    Concord, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $200/hr
    View Profile

  • DECOSTA Global

    Achieving the Unachievable.

    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...

    Top Services:

    • Digital Services
    • Branding
    • Creative Services
    • Product Design
    • Digital Strategy
    • Show 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
    View Profile
    5.0 5.0 (1)

  • Creative27

    Digitally Disrupting Dullness.

    Digitally Disrupting Dullness.

    Creative27 is a multi-disciplinary digital product design and development agency that drives lightning-speed digital innovation...

    Top Services:

    • Web Design
    • Mobile App Development
    • eCommerce Development
    • Video Production
    • Audio Production
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $500/hr
    Portfolios Count
    7 Projects Listed
    View Profile
    5.0 5.0 (7)

  • 4 Way Technologies

    Hire Ruby on Rails Developers.

    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...

    Top Services:

    • Mobile App Development
    • UI/UX Design
    • Web Design
    • Web Development
    • Show more
    Location
    Fremont, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $1000/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    1 Project Listed
    View Profile
    5.0 5.0 (4)

Related Services in California

Related Mobile App Development Specializations in California

Popular Services

Latest Trends Related to iPhone App Development

iPhone vs Android Statistics
App Development

iPhone vs. Android: 60+ Key Market Statistics Every Business Should Know

20,316
Mobile App Development AI Tools
App Development

I Tested the Top 5 Mobile App Development AI Tools: Here’s What Stood Out

38,761
No-Code App Builders
App Development

Top 5 No-Code App Builders Reviewed — Which One Came Out on Top?

26,924

Receive Free Proposals

For your project

1

Specify your budget, timeline and project requirements

2

Our experts curate a list of up to 5 most qualified candidate agencies

3

We connect you with them so you can choose the most suitable partner

Specify your requirements