Top App Developers in California
Are you looking for a top mobile app development company in California, United States? Here is the list of top mobile app developers in California (Android & iPhone) with verified client reviews & ratings. Since California is the heart of the USA’s technology industry, thousands of app development companies exist there. This makes it difficult for budding entrepreneurs to pick a reliable and efficient hiring mobile app agency for their project. To make things easier for prospects, Goodfirms has prepared a chart of iconic companies that provide excellent mobile app development services in California, focused on ‘iPhone app development in California’ and ‘Android app development in California.’
List of Top Mobile App Development Companies in California
-
Webmob Technologies is a global leader in custom web and app development, offering consulting and development services to businesses of all sizes - from startups to mid-sized organizations to enterprises. Our custom web and app development expertise has earned us top reviews & a prominent position in the industry. With over 12+ years of experience, ... read WebMob Technologies reviews & insights
< $25/hr50 - 2492010San Jose, CaliforniaNot good
- Ajay Valecha, Managing Director at General Counsel London Limited -
We are a global digital creative agency that crafts websites, apps, and digital platforms for today’s most recognized brands and forward-thinking founders. Our name is inspired by the word 'verb,' embodying action. We don’t just focus on design; we build experiences that drive user engagement and trigger desired actions. Whether it’s generating leads, signing up ... read Vrrb reviews & insights
$100 - $149/hr10 - 492007Los Angeles, CaliforniaThey went above and beyond to meet our needs and understand our end goals
- Rinat Levy Tangi, Chief Executive Officer at Jewel Boutique Hotel -
Visual Design Inc is the leading Digital Design Agency with deep focus on the Customers. We offer customized and tailor-made solutions going an extra mile to serve. Our Clients are our Top Priority. If you are looking for Powerful Solutions, you can always count on us to transform your business. The best way to describe ... read Visual Design Inc. reviews & insights
$50 - $99/hr250 - 9992010Los Angeles, CaliforniaThieves. False Advertisement
- Cherise Hammie, President and CEO at at Sequitur Accounting Inc -
A business logo design represents the image of your company. A professional logo design communicates to the customer a well-defined perception of your business and identity, enhancing and achieving your goals. In a highly competitive environment such as the global market, a business logo design and the corporate identity become essential elements to distinguish yourself ... read Logo Design Flix reviews & insights
$50 - $99/hr10 - 492015Burbank, CaliforniaThis company is a big SCAM, do not use. Scam scam
- Liviu Dinita, Construction Supervisor at Liam Construction -
AppShah is a proven & reliable digital product development company fueled by individuals who have been breathing & living technology for over 4 years. We are passionate about our mission to create resilient products for our clients. We strongly believe in data-driven decision making which involves agile, analytics-driven approach towards all production milestones. We are ... read Appshah reviews & insights
$25 - $49/hr50 - 2492013Santa Monica, CaliforniaNever ever indicate this company
- daniela boylan -
EIGHT25MEDIA is a Silicon Valley based full-service digital agency with world class capabilities in strategic consulting, web design, mobile app development, eCommerce, and digital marketing services that deliver transformational work for clients such as SoftBank, Heineken, Space Systems Loral, Baird and NEXTracker. The agency has three business units: EIGHT25MEDIA - our philosophy centers on providing ... read EIGHT25MEDIA reviews & insights
$50 - $99/hr50 - 2492006San Jose, CaliforniaBad Experience
- Kenny Dang, CEO at Core Microsystems -
At Logo Infinix, we hold ranks for the most qualified professionals in Professional Logo Design Service in California. We provide our services in solving your digital and web solutions as well as designing unique yet effective custom logo design to help any business big or small to grow in the corporate market, worldwide. Our purpose ... read Logo Infinix reviews & insights
NA250 - 9992016California City, CaliforniaCons and scammers
- Becky Ann Tippen -
Bachoo Studio is a leading web and mobile solution provider 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. With roots dating back to 2015, we've won over 50 global awards, demonstrating our visual design, ... read Bachoo reviews & insights
$100 - $149/hr10 - 492015Los Angeles, CaliforniaBachoo captured our vision perfectly, delivering a beautifully redesigned website.
- Charlie Medakovic, Marketing Lead at Epiphany Coaches Inc. -
Talentica Software is an AI-native product engineering company helping startups and enterprises build scalable, secure, and high-performance digital products. With 22+ years of experience and 200+ products built across the product lifecycle, we combine strong engineering fundamentals with advanced AI capabilities to accelerate development and drive business impact. Our team of 600+ AI-native engineers (top 2% ... read Talentica Software reviews & insights
$25 - $49/hr250 - 9992003Pleasanton, CaliforniaHighly skilled and knowledgeable team.
- Bob Friday, Co-Founder and CTO at Mist Systems -
HashCash is a global software company offering solutions in Blockchain, AI, Big Data, and IoT through its platforms, products & services. HashCash Blockchain products enable enterprises to move assets across borders in real-time for Remittances, Trade Finance, Payment Processing, and more. HashCash runs US-based digital asset exchange, PayBito & Digital asset payment processor, BillBitcoins. HashCash ... read HashCash Consultants reviews & insights
$50 - $99/hr50 - 249Palo Alto, CaliforniaPaybito Experience
- Raktim Dutta, Student at Heritage Institute of Technology -
SumatoSoft builds complex custom software to help companies apply the best IT innovations to meet their goals through business digitalization. 5 key points we follow and stand for: Focus first on the business value delivery; Make the software delivery process transparent and predictable; Use only relevant solutions, approaches, and technologies; Build reliable and trustworthy communication; ... read SumatoSoft reviews & insights
$50 - $99/hr50 - 2492012San Francisco, CaliforniaA highly skilled and responsive team that delivered outstanding results under challenging deadlines.
- Viktoryia Maiseyeva -
With headquarters in Bolivia and a presence across Latin America, we provide nearshore staff augmentation services to help businesses scale with confidence. Our engineers specialize in software development,QA, DevOps, and more.
$25 - $49/hr1,000 - 9,9992001San Francisco, CaliforniaA seamless extension of our internal team with talent that consistently exceeds expectations.
- Brian Whitney, Former Product Engineering Senior Director at ScienceLogic -
At Web Designs Glow , our primary goal is to elevate your business with a trusted website that your customers will love. Our award-winning website designers will represent your brand in the best possible way. Your website will load extremely fast and look great on all devices.
$25 - $49/hr10 - 492025Los Angeles, CaliforniaWe found Web Designs Glow to be extremely professional.
- Santos Green -
Sigli is a dynamic software development company specializing in Digital Product Development and Digital Transformation. We excel at turning innovative ideas into reality, providing end-to-end solutions that cover the entire development cycle, from concept to deployment. Our keen focus on delivering high-quality, scalable, and future-proof digital products enables us to navigate the complexities of digital ... read Sigli reviews & insights
$50 - $99/hr50 - 2492015San Francisco, CaliforniaDeep technical expertise, proactive approach, and strong domain knowledge made the project a success
- Kostiantyn Gitko, CEO at Devox -
Sunlight Media LLC is an award winning website & mobile app development company located in downtown Los Angeles. The company specializes in web design, mobile application development, graphic design and digital marketing services, such as SEO, SMM, PPC and brand development.
$50 - $99/hr2 - 92011Los Angeles, CaliforniaAngelo and his team are great web designers and developers, and a pleasure to work with.
- Jason Greenman, Private Investor at Windsor Square -
Our teams have successfully delivered over 30+ AI projects, including cutting-edge predictive analytics pipelines. Deployed 20+ AI models on edge devices optimizing for real-time processing and in Data pipelines for batch processing .Our teams have cross-functional expertise in Mobile (iOS, Android, ReactNative), Fullstack, DevOps, delivering secure, scalable, and maintainable solutions.We have achieved very high customer ... read GlobalNodes reviews & insights
< $25/hr10 - 492023Studio City, CaliforniaGlobalNodes automated our last-mile delivery and improved our app and system integrations.
- Cathy Cottrell -
At Universal, we’re not here to play it safe... we’re here to make waves. Whether you’re looking to write that bestselling book, launching an app that disrupts, or crafting marketing content that actually converts, we’ve got your back. From epic design to next-level digital solutions, we make it happen. Our team of experts is here ... read Universal Writing Hub reviews & insights
NA10 - 491997Berkeley, CaliforniaWe felt supported throughout.
- Lang Morris -
From a “PSD to Anything” Company with name PSD Markup we have been Building trust since 2010, Xoance is breaking barriers with its 15 years of experience in Custom Software & CMS development. We have successfully delivered 1500+ projects with a 98% retention rate of customers over the last 13 years. We’ve proudly partnered ... read Xoance Software & Services reviews & insights
$25 - $49/hr10 - 492016Fresno, CaliforniaThey delivered a reliable SaaS platform that made our work much easier.
- Rogerio Costa, Technical Architect at HSO -
Naveck Technologies is a trusted software development company in India, helping Startups and SMEs turn innovative ideas into scalable, market-ready digital products. We specialise in building custom software solutions that drive business growth, improve operational efficiency, and reduce time-to-market. Our expertise spans SaaS platforms, AI-powered applications, cloud-native solutions, and IoT systems, all designed to be ... read Naveck Technologies reviews & insights
< $25/hr10 - 492021San Francisco, CaliforniaWorking with Naveck was seamless; they delivered stunning, user-friendly website beyond expectations
- Owner at Uiocean -
Warp Development is a leading custom software development company and trusted offshore software development company with offices in South Africa, Australia, and the USA, serving clients across North America, Europe, and beyond. We specialise in custom software development, AI consulting, e-commerce, mobile app development, order management systems, and enterprise solutions. As a South Africa–based offshore ... read Warp Development reviews & insights
NA50 - 2492002San Francisco, CaliforniaRock-solid infrastructure, lightning-fast support, and a team that quietly keeps everything running perfectly in the background.
- Casey van Niekerk, Head of Growth & Marketing at Ruby Digital -
Svitla is a global digital solutions company with over 20 years of industry experience. Since 2003, we have engineered more than 5,000 transformative solutions for our clients around the globe, bolstering their growth and competitive edge. Our mission is to advise and implement modern, sustainable solutions for our clients, using the power of digital, cloud, ... read Svitla Systems reviews & insights
$25 - $49/hr1,000 - 9,9992003Corte Madera, CaliforniaClever Developers supported by a people focussed organisation
- Helen Eugenie Abrams, Head of People & Office at Neos -
Our partnership means close collaboration with you and your teams, experiencing multiple iterations and taking you on that journey. Design thinking processes and research phases are what stand behind our trendy works. Enabling us to reach a balance between a beautiful, smart design and functional development.
NA10 - 492021Santa Clara, CaliforniaSlick always makes an effort to deliver a very user-friendly and great UI/UX; they work hard for it.
- Shauli Mizrahi, CTO at Rep.ai -
Impekable is a full service digital studio based in San Jose, CA, that helps organizations create memorable, human-centric experiences for mobile and web.
$100 - $149/hr10 - 492012San Jose, CaliforniaExcellent end product and on-going support.
- Nancy Goodman, Head of Product at Insight ADVANCE -
Webratek is a premier web design agency specializing in creating custom, user-friendly websites that are both responsive and visually captivating. Our expert team offers a comprehensive suite of services, including website design, logo design, digital marketing, mobile app development, video animation, and marketing collateral. With over a decade in the digital marketing and branding industry, ... read Webratek reviews & insights
NA10 - 492019Los Angeles, CaliforniaWebratek designed a creative and professional logo that matched my vision perfectly.
- Mark Jonathan, Co-Founder at NextGen -
Have you ever wondered what running an e-commerce store feels like? We understand that running an e-commerce store is not a piece of cake as it rotates around various steps and strategies. Ecommerce Automized brings you the opportunity where you can fully rely on us for your online store. We offer a range of services ... read Ecommerce Automized reviews & insights
$150 - $199/hr10 - 492024Los Angeles, CaliforniaThe project was professionally and
- Barry Jenkins, Assistant Manager at Odd Dog -
If you want to start, manage, transfer, purchase or exit a business, contact a business attorney at Schneiders & Associates, L.L.P. Our business attorneys have experience with many different industries and professional fields. We advise and represent companies and entrepreneurs on a broad range of business transaction and litigation related services. Timing : Mon - Fri ... read Schneiders & Associates, L.L.P. reviews & insights
NAFreelancer2010Oxnard, California -
Rely On It Inc, computer consultant, listed under "Computer Consultants" category, is located at 2053 Grant Rd Los Altos CA, 94024 and can be reached by 6509611300 phone number. Rely On It Inc has currently 1 reviews.
NA10 - 49Los Altos, California -
BLE mobile apps is an outstanding organization which keeps itself updated with the latest technological innovations to offer the best to its clients. Utilizing this latest low energy technology, it has created a number of BLE powered apps.
NA2 - 9Fremont, California -
Our designs and developments never fail to satisfy our customers because of our strict pursuance of professional procedures from design to dispatch. Before delivery, we subject our developments to test. Therefore, the end-user has never found fault with our builds.
NA50 - 249Pacifica, California -
We are a Women majority company with 60% women workforce and 70% executive management being women. No frills engagement Straight forward Project Execution - Complete Transparency Agile methodology Daily standups and updates Weekly demos We make mobile apps, web apps, enterprise apps, and desktop applications We also provide UI/UX design services to build your product ... read SquashApps reviews & insights
$25 - $49/hr10 - 492015Costa Mesa, California -
We build high quality apps for iOS, Android, websites, augmented reality, and machine learning. We are a group of senior developers with over 20 years collective experience and we are opinion leaders in today’s most cutting edge technologies. Building everything from mobile and web apps to pioneering in the newest disruptive fields such as AI ... read Frame Sixty reviews & insights
NA10 - 492017Los Angeles, California -
Based in Glendale, CA, Los Angeles, App N US App Development programmers keep everything in house to create a secure system and transform innovative ideas into successful apps. All our apps are designed in our App N US office here in Los Angeles, CA.
NA2 - 9Glendale, California -
We are a group of artists, engineers, and product creators who enjoy working together to create things that people will really enjoy. We create clean and innovative mobile and web applications that will impact people's lives in meaningful ways. We work with you from start to finish, from the creation of a brand to the ... read Linebreak reviews & insights
NA2 - 92015Los Angeles, California -
We are a leading digital solutions provider company especially in the field of mobile app development. Our services are spread across various sectors like healthcare, food, hospitality, real estate, retail, fashion, legal, sports etc. We create intuitive and responsive interfaces for captivating experience and success. By deploying in depth research and analysis, we define a ... read Mobile App Development San Diego reviews & insights
NA2 - 9San Diego, California -
CtrlCS is a global IT services company focused on application development, managed IT services, Cloud Solutions and technology consulting for enterprises across diverse industries. With decades of experience and an evolved delivery model, We deliver solutions that enable business efficiencies to enterprises across the world and excellent domain competencies in verticals such as Banking, Finance, ... read CtrlCS Inc reviews & insights
< $25/hr10 - 492015Sacramento, California -
Prestige Development Group is a US-based software development company that provides businesses with custom web applications and staff augmentation. Prestige Development Group specializes in the development of desktop, mobile & web-based applications. As a female owned business, founded by our CEO Tiffany Sequeira, Prestige has a passion for giving back and a commitment to establishing ... read Prestige Development Group reviews & insights
< $25/hr10 - 492012Sacramento, California -
LogicTree IT Solutions, Inc. is a U.S. based software engineering firm that develops cost-effective mobile apps. Our mobile apps are published on Android and Apple platforms. With nearly 20 years of experience in the IT industry and over 7 years in creating mobile apps, the expertise of the LogicTree IT team spans the entire range ... read LogicTree IT Solutions reviews & insights
NA2 - 9Citrus Heights, California -
Dworkz was established in 2004 on the belief that smart ideas and rich interactive experiences built with craft and creativity would move our clients’ businesses forward. We still believe that today. Financial SaaS companies turn to us to help them launch innovative digital products that interact with millions of customers, transactions and data points. The ... read D.Workz Interactive reviews & insights
NA10 - 492004San Francisco, California -
What is Bookwriting House? We were born out of a need to share stories and ideas with the world. We understand that every great piece of art was born out of inspiration, and we pride ourselves on providing authors with all the tools they need to turn their work into a masterpiece. With our team ... read Book Writing House reviews & insights
$25 - $49/hr50 - 249San Francisco, California -
We are a company for the development and creation of digital learning, through the most advanced platforms for creating e-learning content, digital animation and LMS on the market. We are a team with more than 5 years of experience implementing and developing virtual training projects for companies from different industries in countries such as Peru, ... read Aacrom reviews & insights
NA10 - 492017San Jose, California -
We at Tech & Biz Solutions welcome expert writers to contribute their precious efforts as Guest Bloggers on our site. If you are a tech geek or have experience and thorough knowledge about Future trends, Advanced technologies, Apps, Social media and development tools, etc. Then you are welcome to write for us! Tech and Biz ... read Techandbizsolutions reviews & insights
< $25/hr2 - 92022Acton, California -
Welcome to Nyoka Flutter, a prominent Flutter application development services company headquartered in the bustling city of Culver City, CA, USA. With a strong focus on Flutter technology, we specialize in crafting innovative and scalable mobile applications for enterprises, startups, and businesses across diverse industries. At Nyoka Flutter, we take pride in our rapid growth ... read Nyoka Flutter reviews & insights
$25 - $49/hr10 - 492020Culver City, California -
Red Millennial, a full-service marketing agency dedicated to driving businesses like yours to achieve their marketing goals. We specialize in creating personalized marketing strategies based on your unique needs and objectives. Our team of skilled marketers, designers, and developers work together to deliver comprehensive marketing solutions that drive growth and success for our clients. At ... read Red Millennial reviews & insights
NA2 - 9Los Angeles, California -
Bydrec is a nearshore software development company that provides highly-skilled, bilingual software engineers to clients that have full-time software development outsourcing needs. Founded in 2012 by tech pros with over 20 years of industry experience, we differentiate ourselves by prioritizing productivity.. We are headquartered in Northern California and operate out of Colombia, South America. Unlike ... read Bydrec Software reviews & insights
NA2 - 92013Pleasanton, California -
Prime Mobile Apps is a top-tier mobile app development company based in the USA, dedicated to creating exceptional user experiences through innovative design and advanced technology.
$50 - $99/hr50 - 2492023Los Angeles, California -
Experts at Cyberonix specialize in iOS expert witness services, providing independent and unbiased analysis for software-related disputes in iOS and mobile app development. With strong academic credentials and industry experience, our experts are well-equipped to handle complex cases involving iOS technologies, application development, security vulnerabilities, and app performance. We offer a full range of services, ... read Cyberonix Experts reviews & insights
NA2 - 9Irvine, California -
ZysCo is a dynamic mobile app development firm that leverages Agile methodology to deliver high-quality, user-centric applications with speed and flexibility. Specializing in end-to-end mobile solutions, ZysCo ensures seamless digital experiences through iterative development, continuous feedback, and rapid deployment. With a strategic mix of local and nearshore resources, the company guarantees a continuous presence, enabling ... read Zysco reviews & insights
$50 - $99/hr10 - 492007Ladera Ranch, California -
At Super Web Touch in Reseda we design experiences rather than merely software. Our strategy blends state-of-the-art technology with a thorough comprehension of each individual client’s needs. Our solutions are effective, scalable, and customized to your goals, whether you’re updating IT systems, creating user-friendly mobile applications, or building strong business platforms.
$25 - $49/hr2 - 92014Reseda, California
Confused about which partner to choose?
Let our experts study your requirements and send a curated list of trusted companies.
Get a shortlistWhy Trust Goodfirms
Goodfirms is the world’s leading reviews and ratings company featuring 110,000+ tech companies from across the globe, complete with 80,000+ humanly vetted client reviews, detailed portfolios, hourly rates, employee strength, and more to help you choose your perfect tech partner.
Humanly-Vetted Client Reviews
Our researchers have personally vouched for the authenticity of 80,000+ client reviews by speaking directly with clients, cross-checking project details, timelines, and results to ensure 100% credibility.
Data-Driven Rankings
Data powers our company listings. Every company listed is evaluated based on its expertise, experience, market presence, reviews, and client satisfaction rate, which helps buyers confidently choose the right tech partner.
Global Trust & Recognition
Goodfirms is trusted by 110,000+ businesses in 160+ countries to connect with reliable tech partners. Our reputation is built on 80,000+ verified reviews and rankings you can trust.
Transparency In Detail
From verified client reviews and portfolio highlights to service focus and pricing, Goodfirms provides a 360-degree view of every company, helping 2+ million monthly users find the perfect tech partner.
Trending insights from Goodfirms
Valuable insights from top experts accelerate decision-making.
How to Start a Neobank: Step-by-Step Guide for 2026
Planning to start a neobank in 2026? Explore this step-by-step guide covering licensing models, tech stack, compliance, costs, revenue strategy, and key challenges to launch and scale your neobank successfully.
Neobank App Development Cost in 2026: Full Breakdown
This article covers complete information about Neobank app development cost. It includes full breakdown that can help you make smart decisions relating to outsourcing your project to the right Neobank app development company.
UK Mobile App Strategy 2026: 5 Key Trends Driving Business Growth
AI-driven, AR-powered, and 5G-connected mobile apps are changing how UK businesses work. Here are the 5 key trends leading the shift.