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
-
IT Support Los Angeles: Have You Outgrown Your IT Support? Chances are you’ve been with your current IT support Los Angeles for a long time. You’re starting to get the feeling that they might not be the best choice, long-term. Often, the Computer Support Los Angeles you selected at the beginning of your business is ... read Remote Techs reviews & insights
NA50 - 249Los Angeles, California -
We develop custom software for our clients. We are a team of full-stack software developers that can build any type of complex solutions. We also teach programming for those who want to learn. We develop software remotely, so you don't have to be located close to our office. However, if you want, we can meet ... read Developer Partners reviews & insights
$25 - $49/hr2 - 92020Los Angeles, California -
As an industry-leading IT development company, we specialize in Product Innovation, Product Development, and IT Consulting. Startups love usbecause of our Agile & Innovative approach, specialized Programs we run for them. MOBIZEAL Apps - co-founder is a USA Patent Holder (issued in 2022) for Fingerprint Technology. we're a community of innovators, dedicated to empowering Startups ... read MOBIZEAL Apps reviews & insights
NA10 - 492012Woodland Hills, California -
Hikesiya is a Silicon Valley-based software development company providing software solutions with a global team of Japan and Vietnam. With more than 20 years of experience in software industry from IT consulting to web and mobile application development, we offer robust software solutions to help you launch, support and accelerate your business. Our team is ... read HIKESIYA USA INC. reviews & insights
$25 - $49/hr50 - 2492003Cupertino, California -
Welcome to Equestever, your trusted partner in turning software dreams into reality! We specialize in transforming your business needs into practical software solutions.
$25 - $49/hr10 - 492014Anaheim, California -
As a rapidly evolving IT Consulting and Services firm, InfoStride takes pride in its ability to uniquely understand the intricacies of the consulting process in the technology ecosysytem and ways to successfully deliver high value projects with maximum impact, which is critical with the economic climate businessses endure today.
NA50 - 2492015California City, California -
We are a highly skilled team of augmented reality developers. Our 10+ years of experience extend to computer vision, machine learning, and augmented / mixed reality (AR/MR). Years before PokemonGo shook the world with a novel AR-focused “life scale” game, our augmented reality development company was already creating low - lighting AR experiences for theme ... read DAS Labs reviews & insights
$100 - $149/hr10 - 492013Rancho Cucamonga, California -
Rollout IT is a digital product development company as well as an exclusive developers' network. We partner up with companies to build something amazing from scratch, to help you with your product vision by turning it to reality, or to scale up your team with real seniors for short or long-term projects. We have software ... read Rollout IT reviews & insights
$25 - $49/hr2 - 92018San Francisco, California -
Since 2010, we have been turning our customers’ dreams into reality. We created SMV Experts intending to do things differently, outside of the realm of the conventional software development company. We are a team of creative, intelligent innovators who bring a fresh perspective to the software industry.
NA10 - 492010San Marcos, California -
We are WTA, a dynamic force in the world of digital transformation. With a passion for elevating customer experiences, we partner with organizations to modernize and thrive in the ever-evolving digital landscape. Our expertise lies in unlocking value through tech and data, generating new revenue streams, and identifying transformation opportunities. Our holistic approach combines strategy, ... read WE THINK APP reviews & insights
$50 - $99/hr10 - 492015San Francisco, California -
Bits and Bytes is the partner of choice for many of the world’s leading enterprises, SMEs, and technology challengers. We help businesses elevate their value through custom software development, product design, QA, and consultancy services. We help businesses elevate their value through custom software development, product design, QA and consultancy. E-COMMERCE SOLUTIONS GAMIFICATION SOFTWARE ... read Bit and Bytes reviews & insights
< $25/hr10 - 492021Diamond Bar, California -
About Content Guys Content Guys is more than just a web agency; we're a team of internet marketers dedicated to crafting digital experiences that propel businesses forward. With headquarters in California, USA, we extend our services globally, offering expertise in website development, design, SEO, and content creation. Our Journey Born from a marketing agency, we ... read Contentguy.co reviews & insights
$25 - $49/hr10 - 492023Davis, California -
From custom software development and design to digital marketing, Calbyte is a one stop solution for all your digital and software needs. Sky-rocket your business and tap into an era of growth with our suite of services. With a vision to make a difference globally, we're dedicated to creating solutions that transcend boundaries and address ... read Calbyte reviews & insights
< $25/hr2 - 92024Studio City, California -
Welcome to Delta Infotek - Your Trusted Partner in Digital Transformation! 🚀 Delta Infotek is a dynamic IT Services and Consulting company committed to empowering small to medium businesses with cutting-edge digital solutions. Headquartered in the vibrant tech hub of San Diego, our dedicated team, spanning across diverse locations, collaborates seamlessly to deliver unparalleled services. ... read Delta Infotek reviews & insights
$25 - $49/hr2 - 92022San Diego, California -
At Battleborn, we’re driven by a passion for creating not just websites, but digital spaces that inspire, engage, and drive success. Our comprehensive suite of web development services caters to a diverse clientele, from startups to established enterprises, ensuring every project we undertake is a testament to our commitment to excellence.
$50 - $99/hr2 - 92024Sacramento, California -
At Tech.us, we specialize in driving business growth through digital transformation, empowering companies to enhance both their top and bottom lines. Renowned for our ability to deliver software and technology projects on time and within budget, top companies trust us to achieve their objectives efficiently and effectively. Comprised of a dedicated team of technology experts, ... read Tech.us, Inc reviews & insights
NA50 - 2492000San Jose, California -
Dedicated to enriching lives and creating meaningful connections. At the heart of our mission is a dedication to humanity. We strive to pioneer innovative digital solutions that are intricately woven with human needs and experiences. Our commitment goes beyond technology; it’s about enriching lives and creating meaningful connections. By placing people at the center of our ... read Kind+Human reviews & insights
$150 - $199/hr2 - 92018San Francisco, California -
VegaOne is a dynamic, active, capable digital marketing agency in the US, California market. As the most trusted digital marketing company near me, we do not lean on tactics that seem showy but give no outcomes or empty promises; our strong focus on Website Design & Development SEO, SEM, PPC, Social Media Marketing and data ... read VegaOne reviews & insights
$50 - $99/hr10 - 492024El Segundo, California -
We work with Businesses to build their Digital Products with AI & Blockchain First Approach Product Engineering and Digital Transformation - through New Age Technologies, Data & AI, and Automation We collaborate with our clients to challenge the status quo, innovate and design outstanding digital experiences, and create customized digital solutions. Our Data Engineering, Data ... read SapidBlue reviews & insights
$25 - $49/hr50 - 2492022Sunnyvale, California -
At Calibec, we specialize in crafting tailor-made applications designed to meet the unique needs of businesses across various industries. We are dedicated to providing top-notch services to meet your business needs: Custom enterprise software development Single-page applications, API, Wordpress, etc. Custom mobile development. iOS, Android, Cross-platform. Cloud integration services Azure, AWS, Google Cloud. System integration ... read Calibec LLC reviews & insights
$50 - $99/hr2 - 92021Mission Viejo, California -
Nobox Idea is a premier digital agency dedicated to transforming your business through cutting-edge technology and innovative strategies. With a comprehensive range of services, we specialize in web design, development, and maintenance, ensuring your online presence is both attractive and reliable. Our custom software and app development solutions are tailored to meet the specific needs ... read Nobox Idea reviews & insights
$25 - $49/hr10 - 49Davis, California -
Outside Digital is a global technology company with over 15 years of expertise in developing custom software and digital solutions that help clients elevate their digital presence and improve customer engagement. Headquartered in San Diego, with additional offices in Limassol, Dubai, and Lisbon, Outside Digital combines innovative design with robust technology to create memorable, high-performance ... read Outside Digital reviews & insights
$50 - $99/hr2 - 92008San Diego, California -
At Get The Web Build, we don’t just build websites; we create immersive digital experiences that leave a lasting impact. Our expert team specializes in fusing cutting-edge technology with your brand’s unique identity to craft solutions that inspire and engage. From captivating design and seamless functionality to data-driven strategies, we deliver a complete package to ... read Get The Web Build reviews & insights
$25 - $49/hr50 - 2492009San Francisco, California -
Intersoftkk Inc. is a global Information Technology and Services Company offering all sorts of web and mobile application design & development, Salesforce & SAP enterprise solutions. We are a leading Digital Transformation Service firm with a rich history that dates back 24 years. We have served over 1000 clients and completed over 550 projects for ... read Intersoft KK reviews & insights
$25 - $49/hr250 - 9991999Sunnyvale, California -
AQe Digital is a global software engineering and digital transformation company with 27+ years of experience delivering enterprise-grade solutions. We specialize in custom software development, cloud-native ERP systems, AI/ML-powered analytics, automation (RPA, IoT), enterprise integration, and intuitive UI/UX design. Our team of 650+ engineers and consultants helps businesses modernize legacy systems, engineer scalable SaaS and ... read AQe Digital reviews & insights
$25 - $49/hr250 - 9991999Woodland Hills, California -
100 Local Network LLC is a leading digital marketing agency in Village Vellay, CA, offering affordable digital marketing services for small businesses. Our expertise includes local SEO, PPC management services, and social media marketing, all designed to enhance your online presence and drive traffic. We provide comprehensive digital marketing solutions, including content marketing, email marketing, ... read 100 Local Network reviews & insights
NA10 - 492015Valley Village, California -
Technossus, USA enables business acceleration and transformation for companies in the Healthcare & Life Sciences, Aerospace, and Financial Services Industries by focusing on delivering advanced Cloud Computing, Data & Analytics, & Process Engineering strategies and solutions. Founded in 2008, Technossus is a privately-held technology consulting firm headquartered in Newport Beach, CA. Since its inception, Technossus ... read Technossus reviews & insights
$50 - $99/hr250 - 9992008Newport Beach, California -
Building the Future with Cutting-Edge Software and Emerging Tech Virstack, headquartered in Irvine, California, is a software consulting company specializing in advanced technologies like AI, Blockchain, and AR/VR. We develop custom software, mobile apps, and cloud solutions that help businesses innovate, scale, and succeed. From UI/UX design and enterprise systems to full-stack development and technical ... read Virstack reviews & insights
$25 - $49/hr50 - 2492020Irvine, California -
At Twining Original Design, we don’t just build pretty websites — we create smart, purpose-driven platforms that help Redding businesses grow. With years of hands-on development experience, we understand how to design websites that work hard behind the scenes. Whether your site needs to sell products, capture leads, support customers, manage memberships, or deliver content, ... read Twining Original Design reviews & insights
$50 - $99/hr2 - 92010Redding, California -
At Metamalistic, we’re more than just a software company, we’re your digital partner. Our team brings together skilled designers, developers, and strategists who are passionate about building powerful, user-friendly digital solutions. From websites and mobile apps to branding and SEO, we tailor every project to your unique goals and audience. We believe in clear communication, ... read Metamalistic reviews & insights
$25 - $49/hr10 - 492024Beverly Hills, California -
Design, Implement, Operate SELISE Group is a global IT delivery organization specializing in the design, implementation, and operation of advanced technology solutions. Our worldwide team of digital consultants, UX designers, software engineers, and architects helps businesses streamline processes, transform customer experiences, and gain a competitive edge. We serve clients in the following industry verticals. Insurance ... read SELISE Group AG reviews & insights
$25 - $49/hr250 - 9992013San Francisco, California -
Remote finance, legal, CX & tech teams – powered by global talent, AI solutions and business consulting. Build Smarter with Global Talent & AI - Powered Solutions At Positify.us, we help businesses scale with top-tier global teams in finance, legal, customer experience (CX), and tech — backed by AI and guaranteed results. From remote accountants ... read Positify reviews & insights
NA10 - 492023Beverly Hills, California -
CriticalRiver Inc. is a globally recognized consulting and technology services provider that redefines the boundaries of digital transformation. Specializing in delivering innovative solutions, CriticalRiver provides unparalleled technology consulting services to address the complex business challenges of its clients, including the world’s leading enterprises and Fortune 100 and 500 companies. At CriticalRiver, we are at the ... read CriticalRiver reviews & insights
$50 - $99/hr250 - 9992014San Jose, California -
We at Symprio understand that every customer, every business problem, and every solution is unique. That's why we help organizations identify the root cause of a problem whether this be related to people, process or technology and then to define and deliver optimal solutions considering culture, cost and capability. AI enabled Automation: Chatbots, RPA, Integration ... read Symprio reviews & insights
$25 - $49/hr50 - 2492015San Jose, California -
Socius Innovative Global Brains is a multi-national organization that focuses on holistic IT Solutions tailor-made to meet client requirements. We have offices in the USA, Europe, and India. Since 2013, we have been catering to the needs of businesses in their development strategies and the technological aspect. As a result of our continued success in ... read Socius reviews & insights
$50 - $99/hr250 - 9992012Los Angeles, California -
Altumind enables its clients to achieve digital transformation with tangible outcomes. To do so we rely on a combination of: Expertise in emerging technologies Experience in both traditional and modern software engineering paradigms Knowledge of various business domains (Finance, HR, Supply Chain, IT, Compliance) Alliances with industry-leading platforms Proven methodologies and accelerators/tools for strategizing, prioritizing, ... read Altumind reviews & insights
$25 - $49/hr50 - 2492021San Diego, California -
PROS has over 20 years of experience in software enterprise technology solutions including digital transformation, cybersecurity, internet of things (IoT), 5G and more. We are experts in digital technologies like web applications, data integration, software-as-a-service (SAAS), data-driven, marketing automation, artificial intelligence (AI), data warehousing, custom software integrations via (API), enterprise (CRM) and (ERP), user interface ... read PROS Global Inc reviews & insights
< $25/hr10 - 491996San Diego, California -
Flaidex is a full-service software company founded in 2021, built on over 9 years of hands-on development experience. Our strength lies in our highly skilled development team, supported by dedicated UI/UX designers and a result-driven marketing team, allowing us to deliver not just software but market-ready solutions. We specialize in custom software and product development, ... read Flaidex LLC reviews & insights
$100 - $149/hr10 - 492021Torrance, California -
CBQA Solutions is a global technology service company specializing in developing cutting-edge Applications, Automation frameworks, infrastructures, and QA processes for Cloud-Based Software, Mobile, Voice, Switching, Routing, Network Management, Wireless Gaming, and Blockchain. We are AWS and Salesforce Partners.
$25 - $49/hr50 - 2492015Pleasanton, California -
At BlueGrid Digital, we help businesses in Bakersfield, CA. We offer professional website design, digital marketing, web application, and development services. We create modern, responsive website designs and eCommerce solutions. Our web development company will help to make user-friendly, SEO-optimized websites.
< $25/hr2 - 92019Bakersfield, California -
Liyomax Business is a full-service digital agency with 15+ years of experience helping startups and small businesses scale online. We specialize in website development, eCommerce solutions, branding, SEO, paid advertising, and social media marketing. Our team of designers, developers, marketers, and animators work together to deliver high-quality, affordable digital solutions tailored to your goals. From crafting ... read Liyomax Business reviews & insights
$25 - $49/hr2 - 92012Calabasas, California -
Radixiy is an IT solutions provider headquartered in San Jose, California, United States. We are a team of technology leaders with backgrounds in engineering, design, and development, united by a shared vision for advancing technology. We specialize in custom software development, mobile and web applications, product design, product development, cloud services, and emerging technologies like ... read Radixiy, Inc. reviews & insights
$50 - $99/hr10 - 492025San Jose, California -
Dhillomedia INC is one of the best web development and digital marketing company in San Francisco and use modern AI to help clients meet their needs. Founded in San Francisco, Dhillon Media Inc was born from a simple observation: too many great small businesses were being left behind in the digital revolution. While big corporations had ... read Dhillon Media reviews & insights
NA2 - 92017San Francisco, California -
Prime Coders is a leading Website Design and Development company based in the US. We are your one-stop solution for Logo Design, Web Development, Mobile App Development, SEO, Content Creation, Social Media Marketing, and Video Animation. At Prime Coders, we craft tailored strategies for every client, aligning our services with your unique goals and business ... read Prime Coders reviews & insights
NA10 - 492022Sacramento, California -
Custom Software, AI, and Cloud Solutions for Growing Businesses Acrosoft is a California-based software company that designs and builds web, mobile, SaaS, and AI-powered platforms for businesses worldwide. With leadership from the Zahir family and delivery teams in multiple regions, we combine strategy, design, and engineering to turn complex ideas into scalable digital products. ... read Acrosoft reviews & insights
$25 - $49/hr50 - 2492023Hanford, California -
Bruce Clay, Inc. (BCI) is an Internet marketing optimization company providing search engine optimization (SEO) services, pay-per-click (PPC) advertising management, SEO-friendly web design and information architecture, and social media and conversion rate optimization services. BCI is also the creator of the award-winning SEOToolSetTM and its acclaimed SEO Training course.
$300+/hr50 - 2491996Simi Valley, California -
ResultFirst, a leading name in the realm of digital services, provides a wide spectrum of turnkey marketing solutions for businesses of all sizes and nature, enabling them to tap the immense potential held by the rapidly-expanding web. Hence, if you are looking for an SEO firm in USA with the competence to accommodate all your ... read Result First reviews & insights
< $25/hr50 - 2492003San Jose, California -
An award-winning data & AI company dedicated to transforming lives globally through cutting-edge technology solutions. Since its inception in 2012, VentureDive has catalyzed the success of two tech unicorns (Careem & Motive) and spearheaded digital transformations for Fortune 500 companies across BFSI, CPG/retail, healthcare, transportation, logistics, and QSR industries. The company is headquartered in Mountain View, ... read VentureDive reviews & insights
$25 - $49/hr250 - 9992012Mountain View, 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.