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.
We help businesses in building Web, App, Software, and Adapting AI Solutions.
Specializing in iOS, Android, and Flutter app development, Probey Services builds custom solutions that grow with businesses. Backed by 12+ years of experience and a team of 320+ specialists, it has delivered 1,800+ projects and served 120+ clients, including Waze and the Cleveland Clinic...
Top Services:
- Mobile App Development
- Software Development
- Web Development
- Web Design
- WordPress Website Design
- Show more
- Location
- Los Angeles, California
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $10/hr
- Minimal Budget
- Under $1,000
- Portfolios Count
- 94 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsProbey Services Services
Data sourced from the agency's DesignRush profileBartisans Samyakk 30 Days Fitness Isharya The Estate Residences VegenMart Fresh Menu Application PRAO Fashion Jewellery Audentia Space Wings of Change
Probey Services Reviews & Testimonials
Web Development Review from Rajat Sinh
Probey transformed our outdated website into a modern, high-performing platform by understanding our business goals and delivering the right solutions. Since the launch, we have seen significant growth in website traffic, lead conversions, and operational efficiency through their backend integrations. Impressed with their expertise and quality of work, we also trusted Probey with our CRM development project as well. Thank you to the entire Probey Services team for your professionalism and support.
Web Design Review from Roshan
This is Roshan, CEO at NanoTherapX. Working with Probey Services for our CRM Development. What stood out most was their stability, consistency, reliability, and a smooth implementation. The CRM has streamlined our client management, improved team efficiency, and helped us manage operations more effectively. Since its implementation, we've seen better productivity and consistent business growth. I highly recommend Probey Services UK to any business looking for a reliable technology partner.
Mobile App Development Review from Tejaswini
What stands out most about Probey Services is their discipline-no missed calls, no vague timelines, and no surprises. They built our mobile app with a level of professionalism that made us feel like a priority throughout the project. The delivery was on schedule, the code quality was excellent, and the final product met high standards. Since the app launch, we've seen consistent business growth, and managing customer orders has become much more efficient. I highly recommend Probey Services UK to any business looking for a dependable technology partner.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsInnovation Beyond Imagination
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
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsiapp Technologies LLP Services
Data sourced from the agency's DesignRush profileVPN Proxy Master Poster App Lab Pool Ride ChiroRing App
iapp Technologies LLP Reviews & Testimonials
Mobile App Development Review from Shubhpreet Sidhu
iapp Technologies provided an exceptional experience in developing the SASA Rides mobile app for both Android and iOS platforms. Their team demonstrated outstanding professionalism, clear communication, and a strong commitment to delivering high-quality results. Every stage of the app development was handled efficiently, with timely updates and meticulous attention to detail. They were responsive to feedback, proactive in offering innovative solutions, and genuinely dedicated to client satisfaction. The expertise and dedication they brought to the project made the entire process smooth and stress-free. I highly recommend iapp Technologies for reliable, skilled, and client-focused mobile app development.
Web Design Review from Seth Horsley
I worked with them extensively and they have been very helpful and extremely responsive and have provided very high quality work. Definitely recommend!
Web Development Review from Gursewak Singh Brar
iapp Technologies provided excellent service with timely delivery, clear communication, and high-quality results. Their team is professional, responsive, and truly dedicated to client satisfaction. Highly recommended!
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsWe Build Innovative Products for Startups and Larger Brands
There are a lot of choices when it comes building a software product. The reason people choose ScrumLaunch is because of our high touch approach, high quality work and most importantly, because we have built our own software products and have a deep understanding of how to succeed with iterative, rapid...
Top Services:
- Staff Augmentation
- Software Development
- Mobile App Development
- Blockchain
- Software Testing
- Show more
- Location
- Los Angeles, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $100/hr
- Minimal Budget
- Under $1,000
- Portfolios Count
- 81 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsScrumLaunch Services
Data sourced from the agency's DesignRush profileCampusReel GoGipper vLoop Vylla
Oakland Web Design and Graphics
A team of friendly, local, award-winning creative web developers and designers. Our clients love us!...
Top Services:
- WordPress Website Design
- Web Design
- Graphic Design
- Mobile App Development
- Show more
- Location
- Oakland, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $150/hr
- Minimal Budget
- Under $1,000
- Portfolios Count
- 5 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsrowdy ferret design Services
Data sourced from the agency's DesignRush profileUniversity of California Berkeley Columbia University Oakland BNI Aurora Catering Bay Area Bay Area Short Sale Agents NextWave Safety Holistic Hyperbarics Ross Acupuncture Oakland
rowdy ferret design Reviews & Testimonials
Bryan Turo's Review Sourced from Google
Hunter and Rowdy Ferret Design provided web development for my small business for over four years and helped us in innumerable ways to enhance our website! From guidance and consultancy to the execution of many development tasks, including the build out of our entire course catalog, scheduling tools, ticketing tools, and commercial tools, to the creation of tutorials and videos to help us best use our own site, Hunter always went above and beyond to ensure we were satisfied while keeping an eye on the business outcomes we wanted. Along the way, Hunter was always a pleasure to work with. I strongly recommend Hunter and Rowdy Ferret for web design and development to any company, big or small!
Stu Sweetow's Review Sourced from Google
Hunter has been my web designer for several years. He took my ancient site and turned it in to an interactive site that has good SEO. He set up a valuable search function, made it a secure site and included a sign-up page that sends me new customers. He is easy to work with, creative with graphics and knows coding. He even showed me how to make changes and has produced tutorials for me when I get stuck. I highly recommend him. And the ferret is fun!
Lyssandra Guerra's Review Sourced from Google
So happy I found Hunter. I needed a spruce up on my website - it felt cluttered and disorganized. They're insight on how to make it more navigate-able for my audience to find my content feels HUGE. Also, so many new ideas on how to really optimize my website to find new clients became exciting and didn't (doesn't!) feel dreadful like it did in the past. Hunter is quick and efficient, I feel really supported and inspired to do the changes that have been looming over my head.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsUnleash, Inspire, Elevate
Founded in 2022, Bytes Technologies began an innovative journey. Our early dedication to delivering premium web solutions and pioneering SEO strategies laid the foundation for our success. Serving clients worldwide, we've built a reputation for excellence. Based in Sacramento, California, our unwavering...
Top Services:
- Graphic Design
- Web Design
- UI/UX Design
- Digital Marketing
- Mobile App Development
- Show more
- Location
- Sacramento, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $25/hr
- Minimal Budget
- Under $1,000
- Portfolios Count
- 5 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsBytes Technologies Services
Data sourced from the agency's DesignRush profileInsideView Clear Books CPA Zara Construction Group Expert Memoire Capital Smart City Broadway pizza Open ALPR Hankin Group Remigton Vernick Engineers Sargenti's
Better Marketing Decisions. Better Business Results.
We help healthcare, insurance, financial services, and other growth-focused companies attract qualified opportunities and improve marketing results through strategy, creative, and practical AI...
Top Services:
- Digital Strategy
- Market Research
- Branding
- Creative Services
- Digital Services
- Show more
- Location
- Westlake Village, California
- Number of Employees
- Under 49
- Minimal Budget
- Under $1,000
- Portfolios Count
- 1 Project Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsBDS Services
Data sourced from the agency's DesignRush profileAnthem Blue Cross Fisher Investment Solutions Claremont Insurance Services Charles Schwab Rapid Product Solutions Dole Food Company Celtic Capital Corporation
High-Tech Bespoke Software Solutions
We design, develop, and deliver high-tech bespoke software solutions for SME's, Enterprises, funded startups and ventures...
Top Services:
- Software Development
- Mobile App Development
- IoT
- AI Development
- eCommerce Development
- Show more
- Location
- Dublin, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $25/hr
- Minimal Budget
- Under $1,000
- Portfolios Count
- 2 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsSquare63 Services
Data sourced from the agency's DesignRush profileWishwash One2Three AFB Ghana StreetWyze
Digital Experiences, Websites & Software Built for Business
Netpace designs and develops websites, digital products, web applications, mobile apps, and custom software for businesses across industries. Our work combines thoughtful UI/UX, modern engineering, scalable technology, and AI capabilities to create digital experiences that are intuitive, functional, and built...
Top Services:
- Web Development
- eCommerce Development
- Web Design
- Software Development
- AI Development
- Show more
- Location
- San Ramon, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $40/hr
- Minimal Budget
- Under $1,000
- Portfolios Count
- 5 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsNetpace Services
Data sourced from the agency's DesignRush profileNew Meridian University The Softball Nation Nova Microwave Cricketeer Nightcare Telehealth Sweetgrass Trading Company Taylor Farms See's Candy Verizon Clothes R Us
Your ultimate cloud service provider
At the forefront of IT, CRM & CX solutions, SoftClouds, headquartered in San Diego, CA, emerges as a transformative force. As an esteemed Oracle Platinum Partner, we specialize in crafting ERP solutions, cloud, mobile, and digital solutions that elevate corporate profitability while seamlessly unraveling...
Top Services:
- Cloud Consulting
- IT Services
- ERP Consulting
- Mobile App Development
- Show more
- Location
- San Diego, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $50/hr
- Minimal Budget
- Under $1,000
- Portfolios Count
- 5 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsSoftClouds Services
Data sourced from the agency's DesignRush profileCisco Intuit Visa
SoftClouds Reviews & Testimonials
Ashlesha Gajbhiye's Review Sourced from Google
Working at SoftClouds has been an incredibly rewarding experience. The team feels more like a family, where everyone genuinely supports and uplifts one another. The collaborative and inclusive work culture has played a key role in my professional and personal growth.
Aarthi Jenny's Review Sourced from Google
SoftClouds has a fantastic company culture and an exciting work environment. As a Project Manager, I am grateful to be part of an organization that values work-life balance, making it a great asset for women professionals. I have been given incredible opportunities to work on engaging projects, and I look forward to continued growth and success with SoftClouds.
Deepak Haridoss's Review Sourced from Google
Soft Clouds is an exceptional workplace that offers abundant career growth opportunities. The leadership team is outstanding, consistently prioritizing employee well-being. I thoroughly enjoy the remote work setup, which comes with numerous benefits. Overall, Soft Clouds is a fantastic place to work, offering a healthy work-life balance and ample opportunities for professional development.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsMobile App Experiences That Inspire
Qodestar is a digital studio focused on building clean, high-performing mobile apps and digital experiences. We partner with startups, growing businesses, and creative teams to transform ideas into intuitive mobile solutions through thoughtful design and development...
Top Services:
- Mobile App Development
- Product Design
- UI/UX Design
- Digital Marketing
- SEO
- Show more
- Location
- San Diego, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $75/hr
- Minimal Budget
- Under $1,000
- Portfolios Count
- 1 Project Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsQodestar Services
Data sourced from the agency's DesignRush profile15 Fifteen Media CareBridge LMI Colorado
Smart Websites Built For Growth
Website Design Hive creates stunning websites, logos, apps, and animations while driving growth through SEO, PPC, and digital marketing. We turn ideas into results-driven online experiences...
Top Services:
- Web Design
- Web Development
- eCommerce Development
- Logo Design
- Branding
- Show more
- Location
- Campbell, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $450/hr
- Minimal Budget
- Under $1,000
- Portfolios Count
- 3 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsWebsite Design Hive Services
Data sourced from the agency's DesignRush profileDow Chemicals Shield Roofing Homeward Realmart Realty Astec Energy Chur Outdoors Statik SparkFun Electronics Training Consultants Instant Tax Solutions
Specializing in technology development and marketing services.
Covinten Media is a dynamic agency specializing in both technology development and marketing services. We create advanced digital products for businesses and implement marketing strategies to boost brands visibility and growth. Our dual expertise ensures comprehensive support for your business's success in a...
Top Services:
- Web Design
- Web Development
- Mobile App Development
- UI/UX Design
- SEO
- Show more
- Location
- Los Angeles, California
- Number of Employees
- Under 49
- Minimal Budget
- Under $1,000
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsCovinten Media Services
Data sourced from the agency's DesignRush profileGV Studio Velocity Lux Beach Catering
Where Creativity Meets Excellence
USA Design Expert delivers creative, high-quality design solutions from logos to websites that help your brand stand out...
Top Services:
- Graphic Design
- Logo Design
- Web Design
- Web Development
- SEO
- Show more
- Location
- Los Angeles, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $50/hr
- Minimal Budget
- Under $1,000
- Portfolios Count
- 1 Project Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsUSA Design Expert Services
Data sourced from the agency's DesignRush profileNintendo IBM P&G
We Are A Striving Computer IT Consulting
Softitec is a custom software development company delivering tailored web, mobile, and enterprise-grade digital solutions. Serving startups and enterprises alike, the agency builds scalable platforms that streamline operations, improve customer engagement, and accelerate growth. With a focus on innovation and...
Top Services:
- Software Development
- IoT
- Mobile App Development
- Wearables
- Web Design
- Show more
- Location
- Newport Beach, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $70/hr
- Minimal Budget
- Under $1,000
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsSoftitec Services
Data sourced from the agency's DesignRush profileSSD Alarm Kilowatt Financial Disney Hyundai
Best Game Development Company in USA.
Source Code Lab is the Best Custom Game Development Company in Usa/India.Our game developers build remarkable games compatible with the most popular platforms to attract the attention of a wider audience...
Top Services:
- Graphic Design
- IT Services
- VR/AR
- Mobile App Development
- Wearables
- Show more
- Location
- San Francisco, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $25/hr
- Minimal Budget
- Under $1,000
- Portfolios Count
- 1 Project Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsSource Code Lab Services
Data sourced from the agency's DesignRush profileStripe, Inc. Skrill Entity Malta Gaming Authority PayPal
Source Code Lab Reviews & Testimonials
VIJAY RANA's Review Sourced from Google
Our outstanding development team and cutting-edge technology empower us to create visually stunning, high-performance custom games. Every game built on our platform delivers exceptional visuals, smooth gameplay, and a seamless user experience.
rakeen panjwani's Review Sourced from Google
I had the pleasure of working at this outstanding game development company before my move to Canada. The experience was nothing short of amazing!. The company fosters a very friendly and inclusive culture, and the management is exceptionally supportive. The team's collaborative spirit and innovative approach to projects made every day exciting and fulfilling. If you're looking for a place to grow, learn, and be a part of something great, this is the company to join.
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
Mobile App Development Companies in California by City
Related Services in California
Mobile App Development Specializations in California
Popular Services
Why companies trust DesignRush
Every agency is independently vetted before it can be listed or ranked
4.8
4.8Some agencies pay for sponsored placement, clearly labeled and held to the same vetting standards.
Latest Trends Related to App Development
