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.
Organic rankings are determined by five factors: top services, reviews, portfolio, awards/press, and team expertise. Sponsored listings pay for a placement that appears above organic positions. Sponsorship does not affect star ratings or review content - read more on our methodology page.
One of the top Cyber Security providers, Web Development Services, App Development Services, UI/UX Services, and Software Testing Services...
Top Services:
- Branding
- Web Design
- Web Development
- IoT
- Software Testing
- Show more
- Location
- Bakersfield, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $13/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 1 Project Listed
At RichestSoft, we don't just build apps; we create seamless digital experiences that automate businesses. As a leading Mobile App and Web Development Company, we partner with visionary companies to bring their ideas to life, blending their vision with our cutting-edge technical expertise to spark future...
Top Services:
- Mobile App Development
- Web Development
- Software Development
- Software Testing
- AI Development
- Show more
- Location
- San Jose, California
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $20/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 9 Projects Listed
iApp Technologies: Trusted digital product development partner helping brands turn ideas into powerful & scalable solutions. We specialize in designing and building high-performance Web and Mobile Apps (iOS + Android) that align with evolving market demands and deliver measurable business impact...
Top Services:
- Mobile App Development
- Blockchain
- AI Development
- Web Development
- UI/UX Design
- Show more
- Location
- San Ramon, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $20/hr
- Minimal Budget
- Under $1,000
- Portfolios Count
- 60 Projects Listed
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
With over 10 years of expertise, AgileTech Vietnam stands at the forefront of delivering innovative technology solutions across a wide range of industries. Our team of 300+ skilled developers has completed more than 1,000 successful projects, ranging from dynamic startups to large-scale enterprises...
Top Services:
- Web Development
- WordPress Website Design
- UI/UX Design
- eCommerce Development
- Web Design
- Show more
- Location
- Irvine, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 50 Projects Listed
Dubai-headquartered technology company specialising in AI, Blockchain, Web & Mobile, and DevOps solutions. 14+ years delivering enterprise-grade digital products for clients across the US, UAE, and UK...
Top Services:
- AI Development
- Blockchain
- Software Development
- Web Development
- Mobile App Development
- Show more
- Location
- Santa Monica, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $25/hr
- Portfolios Count
- 18 Projects Listed
Double Coconut is a San Franciscobased boutique game development studio founded in 2012. The agency specializes in full-service game design and co-developmentfrom casual mobile and web titles to casino, mid-core, and Web3 games. Their projects have reached over 5 million players and generated...
Top Services:
- Software Development
- Web Design
- Mobile App Development
- Blockchain
- Show more
- Location
- San Francisco, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 8 Projects Listed
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...
Top Services:
- Graphic Design
- Web Design
- eCommerce Development
- Web Development
- UI/UX Design
- Show more
- Location
- Los Angeles, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
We have a Team of 100+ Skilled App Developers who thrive on rolling up their sleeves and solving your IT problems and meeting your business needs like APP Development, Software Development, Cloud Consulting, Generative AI Development, Cyber Security Services, Custom ERP Software Development, and Web...
Top Services:
- AI Development
- Mobile App Development
- Software Development
- Blockchain
- Software Testing
- Show more
- Location
- Irvine, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $10,000 - $25,000
Dream X is a full-cycle software development company dedicated to building high-performance products. Founded in 2022 by Alexandr Korshykov, we partner with businesses worldwide to deliver end-to-end technical solutions...
Top Services:
- UI/UX Design
- Web Design
- Product Design
- Mobile App Development
- Web Development
- Show more
- Location
- San Francisco, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $30/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 15 Projects Listed
Rocketech is a software development company. We help founders and business teams decide what to build, build it, and keep it running after launch...
Top Services:
- Mobile App Development
- Web Development
- Software Development
- Blockchain
- UI/UX Design
- Show more
- Location
- San Francisco, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $30/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 14 Projects Listed
Rocket Systems builds custom software and AI-powered products around real business needs. We take time to understand each clients goals and choose the right technical approach, creating reliable and scalable solutions with a strong focus on quality and long-term value...
Top Services:
- Web Development
- Web Design
- IoT
- AI Development
- Mobile App Development
- Show more
- Location
- Sacramento, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $30/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 3 Projects Listed
SapientPro is a custom software, design, and AI development team. Since 2017, we've shipped 200+ projects in the US and EU, with offices in New York, Tallinn, and Lucerne. Most clients come back for a second project, the metric we actually care about...
Top Services:
- AI Development
- eCommerce Development
- Mobile App Development
- Web Design
- Web Development
- Show more
- Location
- San Francisco, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 20 Projects Listed
Sigma Software specializes in developing software and is a globally distributed team of more than 2000 skilled IT professionals, spanning 12 countries including the USA, Sweden, UK, Canada, Israel, Singapore, UAE, Australia, Austria, Ukraine, and more. With a track record of over 20 successful years, we take...
Top Services:
- Software Development
- Web Design
- Mobile App Development
- VR/AR
- Business Consulting
- Show more
- Location
- Los Angeles, California
- Number of Employees
- 1000 & Up
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 14 Projects Listed
IXD Büro is a cozy European atelier specializing in custom web design and exceptional UX/UI solutions. As a boutique studio, our small, dedicated team approaches each project like true craftsmen...
Top Services:
- Branding
- Design Services
- Web Design
- UI/UX Design
- Web Development
- Show more
- Location
- San Francisco, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 8 Projects Listed
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...
Top Services:
- Mobile App Development
- Blockchain
- Software Development
- AI Development
- IoT
- Show more
- Location
- Santa Clara, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 6 Projects Listed

M TECHUB LLC
VerifiedVerified by the DesignRush team for authenticity and credibility.M TECHUB LLC Leading Mobile App Development & Staff Augmentation Company in the USA...
Top Services:
- Mobile App Development
- Software Development
- Staff Augmentation
- AI Development
- Web Development
- Show more
- Location
- Mountain View, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $45/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 25 Projects Listed
Bachoo studio is an award-winning web studio, dedicated to creating sophisticated and technologically advanced solutions for our clients. We offer end-to-end services, starting with concept and strategy, and continuing through design, development, QA, devops, and support...
Top Services:
- Web Design
- Web Development
- eCommerce Development
- WordPress Website Design
- Branding
- Show more
- Location
- El Segundo, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $49/hr
- Portfolios Count
- 17 Projects Listed
Zealtouch, a company that was established in 2017, quickly grew to be a sizable group of professionals with a common corporate vision...
Top Services:
- Web Development
- Software Development
- Mobile App Development
- eCommerce Development
- IT Services
- Show more
- Location
- Sacramento, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $49/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 9 Projects Listed
LYQX is a dynamic mobile and website development agency based in Ukraine, driven by a passionate team of designers and developers with over five years of experience. Specializing in UX/UI design and software development, the agency brings creativity and expertise to every project, ensuring exceptional results...
Top Services:
- Mobile App Development
- Software Development
- Web Development
- UI/UX Design
- eCommerce Development
- Show more
- Location
- San Francisco, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $49/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 8 Projects Listed
End-to-End IT Solutions for Modern Business. From strategic planning to hands-on execution, we cover the full spectrum of technology services your business needs...
Top Services:
- Digital Services
- Branding
- Reputation Management
- Digital Strategy
- Product Design
- Show more
- Location
- Sacramento, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 1 Project Listed
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
Kaizen Apps specializes in innovative application development, offering personalized consultations to turn your ideas into impactful digital solutions. Start your project with our expert guidance today...
Top Services:
- Web Design
- Web Development
- IoT
- AI Development
- Blockchain
- Show more
- Location
- Vacaville, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $65/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 4 Projects Listed

Dreamers Inc.
VerifiedVerified by the DesignRush team for authenticity and credibility.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

Clay
VerifiedVerified by the DesignRush team for authenticity and credibility.AI LeaderRecognized for strong visibility across AI-powered search and answer engines.+1Award WinnerRecipient of a Best Design Award for outstanding work.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
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsClay Services
Data sourced from the agency's DesignRush profileMeta Google Discover Stripe Coca-Cola Coinbase Uber Sony Slack Amazon
Clay Reviews & Testimonials
Web Development Review from Anonymous
Clay built our new website to support a product launch, and we were impressed by how quickly they delivered. The site met our expectations perfectly. They worked efficiently and provided high-quality results right on schedule.
Web Design Review from Anonymous
Clay designed and developed our car retail website, and the results were outstanding. The site looked stunning and worked exactly as needed. They stood out for their patience, attentiveness, and excellent service. Communication was always clear, and they delivered on time.
Web Design Review from Anonymous
Clay redesigned and rebuilt our nonprofit’s website with fresh UX/UI research to guide the process. The new site improved conversions, earned great user feedback, and boosted internal efficiency. Communication across all channels was seamless, and their responsiveness and high-quality results went beyond what we expected.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsWe provide a complete portfolio of lifestyle content to the needs of our readers in print + digital. Content is also easily accessible on desktop and mobile devices...
Top Services:
- Digital Services
- Public Relations
- Creative Services
- Reputation Management
- Digital Strategy
- Show more
- Location
- Los Angeles, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $175/hr
- Minimal Budget
- Under $1,000
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
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