Our expert analysts identified the leading mobile app developers in California that create high-performance apps that engage and retain their user base. Filter listings by city, team size, cost of services and reviews to personalize your search. Choose the best partner for your brand and take advantage of these agencies' expertise and experience.
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.
Azumo
VerifiedVerified by the DesignRush team for authenticity and credibility.Build Intelligent Apps for Web, Mobile, Data, AI and Cloud
Azumo has been building intelligent apps since 2016, offering expertise in custom native and cross-platform app development. It boasts a 150% client retention rate and a client portfolio of 100+ businesses, including Meta, Omnicon Media Group, and United Healthcare...
Top Services:
- AI Development
- Software Development
- Staff Augmentation
- Mobile App Development
- Big Data Analytics
- Show more
- Location
- San Francisco, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $55/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 9 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsAzumo Services
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Azumo Reviews & Testimonials
Software Development Review from Michael S.
We selected Azumo to develop our software. We transitioned from another development company, so Azumo was initially responsible for migrating our existing code and environments. We are currently still working with Azumo as our nearshore software development team on adding new items to our software.
UI/UX Design Review from Anonymous
Azumo helped us migrate our existing UIs into a new framework, creating reusable components and the infrastructure needed for future development. The developer they assigned became a seamless part of our team, always punctual, responsive, and a great fit overall.
Software Development Review from Anonymous
Thanks to Azumo’s work, our product is now more scalable, optimized, and ready for a growing user base. Their team has managed the engagement effectively, keeping us updated and addressing any challenges along the way. We’ve appreciated their constant availability and proactive communication.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsDigital and Physical Product Innovation
Delve is a physical and digital product innovation firm...
Top Services:
- Product Design
- Wearables
- UI/UX Design
- IoT
- Design Services
- Show more
- Location
- San Francisco, California
- Number of Employees
- 100 - 249
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 6 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsDELVE Services
Data sourced from the agency's DesignRush profileAmazon Audio Technica Charbroil Google Jarden Pella Penumbra Spectrum Brands Weber Dexcom
DELVE Reviews & Testimonials
Industrial Design Review from Jim Uphoff
With resources being tight and timelines being even tighter, we partnered with Delve to see if we could get the product to market faster. We were very happy with the communication throughout the process, as well as the final output. Their professionalism and work speak for themselves. We learned a lot while working with Delve and look forward to future projects.
Industrial Design Review from J. O'Neill
This work with Delve far exceeded our expectations and today is the catalyst for defining our forward looking product road maps.
Industrial Design Review from Dan Kaiser
Delve helped deepen our knowledge about design thinking and prototyping the customer’s needs/preferences, which is paying high dividends in quickly building our customer base.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsYour Innovation Partner
ITRex delivers end-to-end AI and data solutions from strategic planning to real-world deployment. The companys expertise spans LLM integration, RAG, copilots, SLMs, and autonomous AI agents, all engineered for reliability and scale...
Top Services:
- Software Development
- Mobile App Development
- Software Testing
- AI Development
- IoT
- Show more
- Location
- Aliso Viejo, California
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 5 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsITRex Group Services
Data sourced from the agency's DesignRush profileDollar Shave Club Jib Jab 21st Century Fox Procter & Gamble Meet Me Dun & Bradstreet
ITRex Group Reviews & Testimonials
IT Services Review from Tammy Walker
Extremely creative and awesome company name. It sounds trustworthy.
Web Development Review from Undisclosed
We are making in minutes things that our teams have been stuck with for days before.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsFor 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
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsPastilla Services
Data sourced from the agency's DesignRush profileCity of LA Recreation & Parks Black Girls Code Sacramento Public Library Consumer Technology Association Clean Power Alliance Microsoft Metrolink Hollywood Foreign Press Associations (HFPA) Disney Lossan
30 Years of Excellence in Delivering Future-Proof Software Solutions
Delivering world-class products to Fortune 500 companies and cutting-edge startups for over three decades, we have navigated every economic climate, optimizing production costs to provide our clients with exceptional ROI...
Top Services:
- Software Development
- IoT
- AI Development
- Wearables
- Mobile App Development
- Show more
- Location
- Palo Alto, California
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 4 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsWaverley Services
Data sourced from the agency's DesignRush profileMatrixx Software ZOTT Jibo Addus Homecare Boomerang Carnets Mozilla Gridpoint Seagate Swiss.com TripIt
Waverley Reviews & Testimonials
Christi Kambs's Review Sourced from Google
Had such great care here, all of the nurses were kind and friendly, I completely felt safe and listened to by the anesthesiologist and Dr Roost was excellent at explaining my procedure and clearly passionate and skilled in her field. Clearly no none wants to have a colonoscopy but their staff made it as easy and smooth as possible!
Shellie Cloud's Review Sourced from Google
The staff exuded warmth and professionalism, making me feel welcomed and at ease. Their accommodating nature helped create a soothing atmosphere. Dr. Lieu was not only highly skilled but also radiated a calming presence, allowing me to feel completely relaxed and confident in my procedure.
Ruby LI's Review Sourced from Google
I was pleased with the services I received in the Waverley surgery center for my much procrastinated colonoscopy. Everyone was friendly, caring and attentive which made me feel comfortable and relaxed. Everything went smoothly, they gave clear instructions for after procedure and called next day to make sureeverything was all right. I highly recommend it.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsAI systems that hold up in production
Production AI systems for teams that need practical software, not AI theater: LLM apps, private knowledge systems, tool-using agents, predictive analytics, dashboards, evaluation, and implementation from strategy through launch...
Top Services:
- AI Development
- Software Development
- Software Testing
- Mobile App Development
- Big Data Analytics
- Show more
- Location
- Huntington Beach, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $100/hr
- Minimal Budget
- $50,000 & Up
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsTuring Quantitative Services
Data sourced from the agency's DesignRush profileConfidential Venture Studio Confidential Healthcare AI Client Confidential E-commerce AI Client Confidential Government Technology Client Confidential Financial Services Client Confidential Real Estate AI Client Confidential Impact Technology Client Confidential Energy Management Client
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