We’ve researched and ranked the best California HTML5 mobile app development agencies that build sophisticated and high-quality apps that help brands drive more loyal customers and sales. Compare listings by past work, reviews, cost and size to pick the best fit for you.
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.
HIGH QUALITY SOFTWARE COMPANY IN VIETNAM
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
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsAgileTech Services
Data sourced from the agency's DesignRush profileClingme Luxstay Lian Ferosh Alosong Stardary Tizo Jupviec
AgileTech Reviews & Testimonials

Mobile App Development Review from Noah Petraitis
AgileTech excelled in supporting our project from initial mock-ups through to the final delivery on the App Store, incorporating data analytics that we could easily share with our customers. The scope of work included mock-up creation, UI/UX design, interactive prototyping, app development, rigorous testing, and setting up a secure production environment on AWS, culminating in the apps release on both iOS and Android platforms.

Software Development Review from Selva Jayaraman
Working with AgileTech has been an amazing experience, especially when it comes to creating a personalized e-learning program for our IT services business. We were pleasantly surprised by how adaptable and scalable the platform developed by the AgileTech Team was. Their proficiency with user-friendly course administration and community participation technologies enabled us to provide a thorough instructional resource catered to our customers' particular requirements. The platform has greatly improved our operational efficiency, and we are amazed by its capacity to manage heavy traffic with ease and offer comprehensive reporting and analytics. The platform remained successful and user-friendly because of the team's dedication to continuous support and their quick response to criticism. For any organization looking to create innovative and reliable digital solutions, we wholeheartedly recommend AgileTech as a partner.

Software Development Review from Preci Capiral
AgileTech provided a superb Learning Management System (LMS) that creatively and precisely addressed the intricate needs of our organization. Within a scalable, completely customizable platform, the LMS made it possible to create comprehensive courses, administer student tests, engage the community, and obtain real-time data insights. AgileTech's modular and agile approach made sure that every component, from the user-friendly course builder to the sophisticated analytics and communication tools, was customized to meet our demands despite the difficulties of developing such a feature-rich system. In order to guarantee perfect scalability and zero downtime, even with high user concurrency, AgileTech used a potent tech stack that included PHP, React, and AWS. Their post-launch assistance, which included frequent training sessions and upgrades, gave our staff the means to fully use the LMS's potential. This project was a testament to AgileTech's technical skill, rapid deployment, and dedication, making them an outstanding choice for educational technology development.
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
M TECHUB LLC
VerifiedVerified by the DesignRush team for authenticity and credibility.M TECHUB LLC, Where Ideas Become Scalable Digital Products
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
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsM TECHUB LLC Services
Data sourced from the agency's DesignRush profileVictor Alexandar Oscar Alex Qleever Erzat Roxana Amir Abbas Matt
M TECHUB LLC Reviews & Testimonials

Mobile App Development Review from Amber Irish
M TECHUB LLC developed our logistics mobile app with real-time shipment tracking, driver management, route updates, delivery status, and an admin dashboard. Their team understood the operational needs of the logistics industry and delivered a reliable, easy-to-use solution. Communication was smooth, and we were very satisfied with the final product.

Mobile App Development Review from Olivia Smith
We have worked with M TECHUB LLC as our B2B software development partner on multiple client projects. Their team has supported us with mobile app development, web applications, backend development, and custom software solutions. They are reliable, responsive, and flexible with changing project requirements. M TECHUB LLC has been a valuable development partner, and we highly recommend them for B2B software development and technical outsourcing.

Software Development Review from Victor Lue-Yat
We have been working with M TECHUB since 2023 on software and application development projects, and they have become a valued technology partner to our company. Their team has consistently demonstrated strong technical capabilities, responsiveness, and a genuine commitment to delivering quality work. They communicate well, are receptive to feedback, and work collaboratively with us to solve challenges and continuously improve our applications. What I appreciate most is their reliability and willingness to work through complex requirements rather than simply completing assigned tasks. Over the years, we have developed a strong working relationship and considerable trust in their team. Based on our experience since 2023, I am very comfortable recommending M TECHUB to companies looking for a dependable software development partner.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsEnterprise Grade App & Web Development Services
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
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsRichestSoft Services
Data sourced from the agency's DesignRush profileJIB ROADSIDE ASSISTANCE Rod Foster Germany-Chat.com Pools Magnic App MeowChowNow Silvia Berlain Glitter Dating App JCA Food App Gift3R
RichestSoft Reviews & Testimonials

Web Development Review from Lathan Ashton
RichestSoft was tasked with taking our existing templates, upgrading them to the latest version of our CMS, and deploying them to a staging environment. They also updated the designs for all subsections of the site. The site is fairly generic, consisting of static pages with links from the homepage to product descriptions, case studies, and more. Our team can easily log into the CMS and update case studies without needing a web developer, which has been a huge advantage. Our primary concern was the seamless conversion of our old templates, and RichestSoft handled this flawlessly. They even suggested ideas like making the site multilingual, though we only needed an English version, so it wasn’t necessary in our case.

Web Development Review from Robbie Hart
The website now has a more modern and appealing feel, and we've noticed an increase in the number of visitors since working with RichestSoft. They effectively leverage their technologies, and their communication and timeliness have been satisfactory throughout the project. Our business is centered around land development and industrial projects, supported by a team of IT professionals that manage the technology driving our operations. Our mission is to provide quality and satisfaction by utilizing our knowledge, experience, and ambition to meet and exceed our clients' expectations.

Web Development Review from James Shehan
RichestSoft consistently delivered on a complex and demanding project, handling all tasks with efficiency. Whenever any bugs or issues surfaced on the site, they promptly resolved them. While there have been occasional communication challenges, none of these have affected the high-quality and cost-effective service they provide.
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
Dreamers Inc.
VerifiedVerified by the DesignRush team for authenticity and credibility.Your spark, our fuel
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
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsDreamers Inc. Services
Data sourced from the agency's DesignRush profileUniversity of California Los Angeles John Hopkins University Applied Physics Laboratory University of California Santa Barbara University of Michigan SpendLogic Arizona Court of Appeal (Div 2) HyperCite Boeing Aerospace British Aerospace Engineering Adamant Aerospace
Dreamers Inc. Reviews & Testimonials

Software Development Review from Dennis Temko
Dreamers was the only firm capable of building my ambitious vision for HyperCite. They transformed an unprecedented concept into a patented, production-grade legal technology platform designed for fact-checking. This included help in product strategy, and leading UX, algorithm development, AI, database and cloud architecture, frontend and backend engineering, scalability, observability, CI/CD, deployment, and ongoing maintenance. They delivered two California product versions and a dedicated Arizona implementation integrated directly with the appellate court, where HyperCite has operated for more than five years. Today, HyperCite not only automates hyperlinks between legal briefs and cited records; its AI fact-checking system compares claims against supporting evidence, flags contradictions and unsupported assertions, and takes judges and attorneys directly to the underlying source. The result is faster, clearer, and more reliable judicial review, delivered through close collaboration with HyperCite’s leadership and the Arizona court CIO.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsComplex custom software and AI-powered products built around your business.
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
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsRocket Systems Services
Data sourced from the agency's DesignRush profileGrandTime Armroom Rafayel Narek
We Build Games That Players Love.
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
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsDouble Coconut Services
Data sourced from the agency's DesignRush profileMicrosoft WB Cartoon Network Ellen Degeneres MIT IBM SAP iWin Addicting Games Penn Gaming
Scaling New Heights
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
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsHyScaler Services
Data sourced from the agency's DesignRush profileUrban Sports Club Artisan Stanford University Khelnow Doctegrity EA Tune Protect
HyScaler Reviews & Testimonials
David Robinson's Review Sourced from Google
Can't say enough about this group! Amazing work and great people. You can really tell that the culture here is far above other shops because everyone seemingly loves what they do, and it shows in the final product. Solid work, agreeable rates, and on time delivery. 100% recommend!
Ernesto Berrum's Review Sourced from Google
Great group of people to work with. Very flexible and have been delivering on all of our request in a timely manner. Our platform runs on Ruby on Rails but they have Python, Node.js, React, React, and HTML experts on hand.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsGrow with Technology.
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
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsNextOlive Services
Data sourced from the agency's DesignRush profileTrulyMadly theDevMasters OpusClip DP World Bettor In Green
You Think We Will Deliver
TechMave Software LLP delivers innovative web, mobile, and AI solutions tailored to business needs. Our team combines creativity, technology, and strategy to build impactful digital products that empower brands globally...
Top Services:
- Design Services
- eCommerce Development
- Web Development
- AI Development
- Mobile App Development
- Show more
- Location
- Mountain View, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $11/hr
- Minimal Budget
- $10,000 - $25,000
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsTechMave Software Services
Data sourced from the agency's DesignRush profileGoDirect Fixfind Maxemo Capital Vynkit Master Tuning UVIP RGS Cleaning Green Greek Solutions Alhamra Insurance Monstar Solar
TechMave Software Reviews & Testimonials
Harsh Bhardwaj's Review Sourced from Google
I truly appreciate the work culture at Techmave Software. The team is incredibly supportive, and the positive environment fosters motivation, collaboration, and continuous growth. It’s a place where individuals can thrive and grow together.
Heena Negi's Review Sourced from Google
Great workplace with supportive management and a collaborative team. Techmave Software offers good learning opportunities and a positive environment for a career growth.
Pooja Sharma's Review Sourced from Google
Currently working at Techmave Software and I’ve had a positive experience. The company provides a good platform to learn and grow professionally. The management is approachable, and colleagues are cooperative. Overall, a nice place to build your career.
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
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