Top Mobile App Development Companies in California
We ranked 9 mobile app development companies in California on client reviews, how many are verified, service focus and profile completeness. Updated October 2026. How rankings work
Teams that design and build iOS, Android and cross-platform mobile apps.
- Rank 1
Venice Beach mobile app studio building iOS and Android apps, with much of its work in healthcare, fintech, IoT and AI.
No reviews yet
Los Angeles, CA
- Mobile App Development
- AI & Automation
- UX/UI Design
- Rank 2
Beverly Hills studio founded by MIT alumni that plans, designs and builds mobile and web apps for startups and enterprises.
No reviews yet
California
- Mobile App Development
- Web Development
- UX/UI Design
- Rank 3
Los Angeles agency that researches, designs and develops web and mobile applications for startups and large enterprises.
No reviews yet
Los Angeles, CA
- Mobile App Development
- Web Development
- UX/UI Design
- Rank 4
App and AI development agency with a Redmond office, building mobile apps and agentic AI products for mid-market and enterprise companies.
No reviews yet
San Francisco, CA
- AI & Automation
- Mobile App Development
- Product Design & Development
- Team
- 100-249 people
- Rank 5
Los Angeles software agency building web and mobile apps and AI products with embedded senior teams for startups and enterprises.
No reviews yet
Los Angeles, CA
- Custom Software Development
- Mobile App Development
- AI & Automation
- Team
- 50-99 people
- Rank 6
Strategy, UX design and software development studio focused on healthcare and B2B products.
No reviews yet
Culver City, CA
- Product Design & Development
- Custom Software Development
- Mobile App Development
- Rank 7
San Diego digital product agency that designs, builds and maintains web and mobile applications.
No reviews yet
San Diego, CA
- Product Design & Development
- Custom Software Development
- Mobile App Development
- Rank 8
Irvine software consultancy building custom business applications such as CRMs, ERPs, portals and learning platforms with onshore engineers.
No reviews yet
Irvine, CA
- Custom Software Development
- Web Development
- AI & Automation
- Rank 9
Long Beach design and engineering studio building websites, custom web software, mobile and TV apps, and e-commerce for brands.
No reviews yet
Long Beach, CA
- Web Development
- Custom Software Development
- UX/UI Design
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