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

369 Companies - Rankings updated: September 05, 2026

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

iPhone
Industry
Budget
Sort by: Number of Reviews
United States × California × iPhone App Development × Sort by: Number of Reviews × Clear Filters

  • Rysysth Technologies

    Innovative Digital Solutions For A Smarter Future

    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...

    Top Services:

    • AI Development
    • Blockchain
    • Software Development
    • Mobile App Development
    • Show more
    Location
    Sacramento, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $45/hr
    Minimal Budget
    $10,000 - $25,000
    View Profile
    5.0 5.0 (1)

  • Appther

    Transforms Digital Idea Into Reality

    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...

    Top Services:

    • Mobile App Development
    • Software Development
    • AI Development
    • Design Services
    • Product Design
    • Show more
    Location
    Signal Hill, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $22/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    2 Projects Listed
    View Profile
    4.7 4.7 (23)

  • Nova Era Agency

    Building the new era of digital growth

    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...

    Top Services:

    • Web Design
    • Web Development
    • eCommerce Development
    • UI/UX Design
    • Mobile App Development
    • Show more
    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
    View Profile
    5.0 5.0 (19)

  • Allusive Digital

    Proven Excellence Through Custom Web Design and Development Services.

    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...

    Top Services:

    • Web Development
    • eCommerce Development
    • Web Design
    • WordPress Website Design
    • AI Development
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    View Profile
    5.0 5.0 (5)

  • Beehive Software

    Reimagining Software Development

    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...

    Top Services:

    • Web Development
    • Software Development
    • AI Development
    • Mobile App Development
    • IoT
    • Show more
    Location
    San Jose, California
    Number of Employees
    100 - 249
    Minimal Budget
    $10,000 - $25,000
    View Profile
    5.0 5.0 (4)

  • Naxtech

    Honest, Practical, & Focused On Results

    Honest, Practical, & Focused On Results

    Founded in 2005 in Reading (UK) Naxtech is a Digital Agency focusing on helping businesses grow, increase profitability, while attracting new customers via the effective use of technology and digital marketing...

    Top Services:

    • Web Development
    • Digital Marketing
    • Mobile App Development
    • SEO
    • Content Marketing
    • Show more
    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    3 Projects Listed
    View Profile

  • FACTn Software

    Empowering Innovation, Connecting Excellence

    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...

    Top Services:

    • Software Development
    • Mobile App Development
    • AI Development
    • Cloud Consulting
    • Managed Services
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $45/hr
    Minimal Budget
    $1,000 - $10,000
    View Profile
    5.0 5.0 (10)

  • Kingdom Vision

    We Build Cool Stuff With Cool People...

    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...

    Top Services:

    • Web Design
    • Branding
    • Web Development
    • Mobile App Development
    • Digital Marketing
    • Show more
    Location
    San Jose, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    Under $1,000
    View Profile

  • iQlance Solutions Canada

    Canadas Trusted Partner

    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...

    Top Services:

    • Web Development
    • Mobile App Development
    • Software Development
    Location
    Ontario, California
    Number of Employees
    50 - 99
    Minimal Budget
    $10,000 - $25,000
    View Profile

  • Blue Trail Software

    More Than Code We Build Trust Through Craft & Commitment

    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...

    Top Services:

    • Software Development
    • AI Development
    • Big Data Analytics
    • Mobile App Development
    • UI/UX Design
    • Show more
    Location
    San Francisco, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $55/hr
    Minimal Budget
    $50,000 & Up
    View Profile

  • Mobile Application Developers

    Professional Mobile App Development Services

    Professional Mobile App Development Services

    Our expert, award-winning staff selects the products we cover and rigorously researches and tests our top picks. If you buy through our links, we may get a commission...

    Top Services:

    • Mobile App Development
    Location
    Los Angeles, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $55/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    1 Project Listed
    View Profile

  • Hilton Technologies

    Driving Digital Growth Across Industries

    Driving Digital Growth Across Industries

    Hilton Software Technologies is an IT solutions company based in Hyderabad, delivering customized software, web, and digital services since 2013. The company helps businesses of all sizes accelerate growth through innovative technology, reliable support, and tailored digital solutions...

    Top Services:

    • Software Development
    • eCommerce Development
    • Mobile App Development
    • Digital Marketing
    • Show more
    Location
    Fremont, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $1,000 - $10,000
    View Profile
    4.3 4.3 (10)

  • Aunimeda

    From The Silicon Steppe To Silicon Valley

    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...

    Top Services:

    • Software Development
    • Mobile App Development
    • Web Design
    • Web Development
    • AI Development
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $1,000 - $10,000
    View Profile
    5.0 5.0 (11)

  • Pentagram Digital

    We Build Apps That Users Love

    We Build Apps That Users Love

    Pentagram is a globally recognized independent design consultancy delivering multidisciplinary creative services across branding, digital experiences, and visual communication. The firm works with organization of all sizes to craft impactful identities, combining strategy, design thinking and technology to...

    Top Services:

    • Mobile App Development
    • UI/UX Design
    Location
    San Francisco, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $24/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed
    View Profile
    5.0 5.0 (1)

  • Bay Area Coders

    Strategy, design, engineering, and AI

    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...

    Top Services:

    • Software Development
    • Web Development
    • Mobile App Development
    • AI Development
    • Design Services
    • Show more
    Location
    Roseville, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $1,000 - $10,000
    View Profile

  • RankMeHi

    Driving Organic Growth Through SEO, Local SEO & AI Solutions

    Driving Organic Growth Through SEO, Local SEO & AI Solutions

    RankMeHi is a results-driven SEO and digital marketing agency helping businesses increase online visibility, generate qualified leads, and grow revenue. We specialize in Technical SEO, Local SEO, AI-powered marketing, content strategy, keyword research, link building, and conversion optimization. Our mission...

    Top Services:

    • Digital Services
    • Package Design
    • Product Design
    • SEO
    • PPC
    • Show more
    Location
    Costa Mesa, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $75/hr
    Minimal Budget
    $1,000 - $10,000
    View Profile

  • CloneAppz

    Verified Verified by the DesignRush team for authenticity and credibility.
    White label & clone app development company

    White label & clone app development company

    CloneAppz delivers white label and clone app solutions that help businesses go live faster. We combine proven technology with smart customization to give you a platform that genuinely represents your brand and supports real growth...

    Top Services:

    • Mobile App Development
    Location
    San Francisco, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $1,000 - $10,000
    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

  • Teamvoy

    We Bring The Tech. You Get The Wins.

    We Bring The Tech. You Get The Wins.

    Teamvoy is an AI engineering and transformation partner. We help companies make smarter technology decisions and turn them into production-ready software...

    Top Services:

    • Software Development
    • AI Development
    • Design Services
    • Web Design
    • UI/UX Design
    • Show more
    Location
    Covina, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000
    View Profile
    4.7 4.7 (29)

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

20,359
Mobile App Development AI Tools
App Development

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

38,800
No-Code App Builders
App Development

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

26,966

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