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
-
At Cloudpacer, we don’t settle for ordinary. We are passionate about technology and its power to transform businesses. Our commitment to innovation, customer satisfaction, and teamwork sets us apart in the industry. Our team of experts is dedicated to provide you with tailored software solutions that will take your business to the next level. So ... read Cloudpacer reviews & insights
$25 - $49/hr10 - 492019Pleasanton, California -
Mushroom Solutions, a specialized provider in the fields of Automation, IoT, and AR & VR technologies. We offer a comprehensive range of solutions, including Enterprise, Interactive, Cross-Industry Solutions, and Professional Services. At the heart of our mission are core objectives focused on optimizing processes, driving automation, ensuring cost-efficiency, and enhancing the overall customer experience. ... read Mushroom Solutions Inc reviews & insights
NA10 - 49San Jose, California -
At Guru Web Media, we are passionate about helping businesses grow and succeed online. With our expertise in web development, digital marketing, and graphic design, we are committed to delivering innovative solutions that exceed our clients’ expectations. Our team of talented professionals is dedicated to providing exceptional service and support, and we take pride in ... read Guru Web Media reviews & insights
NA10 - 49Woodland Hills, California -
Global AI Nexus Global AI Nexus is a technology partner that helps businesses innovate and build successful digital products. We provide access to top software engineers and experts to kickstart your project, whether you want to build a new product, develop an existing one, or introduce generative AI capabilities. With experience from working on around ... read Global AI Nexus reviews & insights
NA2 - 9California City, California -
GT Wizards crafts magic in California's digital realm. We're a web design, mobile app development, and marketing powerhouse, conjuring results for businesses of all sizes. We build stunning websites, user-friendly apps, and data-driven marketing campaigns to amplify your online presence. Let's transform your vision into reality - visit us today!
NA50 - 2492010Roseville, California -
With an unwavering passion to help your people succeed, years of technical experience backed by our custom solutions, process and unparalleled customer service, we deliver every time. People You deserve the best. We have the best. SImply put, we care — every single one of us, from the account managers to the technicians. We hire, ... read Think Scale reviews & insights
NA2 - 9West Covina, California -
We’re a digital agency elevating projects from ideation to implementation. Big Drum is a premier design and development agency, distinguished by its highly diverse and creative team. We specialize in transforming ideas into scalable solutions through the development of web and mobile cloud-based applications. Our Values. Leadership We stand apart from larger agencies by having ... read Big Drum Digital reviews & insights
$100 - $149/hr10 - 492018Chico, California -
Our vision is to be the leading provider of cutting-edge technology solutions, empowering businesses to achieve new levels of success through AI and secure technology. At AppDvantix, our mission is to enhance business efficiency and security through innovative AI-driven technology solutions, saving our clients time and money. AppDvantix is a global leader in providing AI-driven ... read Appdvantix reviews & insights
$50 - $99/hr2 - 92023San Jose, California -
We’re a long-standing and tight-knit team of two dozen senior software strategists, designers and engineers who love building things together. Over the past decade, our work has spanned many industries, with clients ranging from major state health systems to international bestselling authors, from Silicon Valley startups to nonprofits. No matter the industry or audience, we ... read WLCM App Studio reviews & insights
$100 - $149/hr10 - 492011San Francisco, California -
At Cygnus Designs, we specialize in transforming your digital presence with innovative solutions. Our expert team combines creativity and strategy to deliver exceptional web design, development, and digital marketing services.
$25 - $49/hr10 - 492022Santa Monica, California -
Web Design Digits is an award-winning website design and development company based in Los Angeles, California. We specialize in creating affordable, high-quality websites and web applications for both small businesses and large corporations. Our talented team focuses on delivering unique and engaging solutions tailored to each client's needs, ensuring long-lasting partnerships and meaningful brand connections. ... read Web Design Digits reviews & insights
NA50 - 249Pasadena, California -
NR Web Tech Solutions is a digital marketing compnay offering SEO Services, Mobile App Development, Website Development and Google Ads services. We are committed and have a combined experience of 25+ years as a team. Our team is combination of experienced professional and young experts which add a blend of experience and a fresh prespective.
NA2 - 92024Los Angeles, California -
We augment technical teams by seamlessly providing high-caliber IT talent, to augment your teams when and where you need it. Our Agile experts deliver agreed upon functionality as we manage your IT projects, all on time, with high quality and within budget. We offer top-shelf IT talent at globally competitive rates, within compatible time zones, resulting in ... read Software NextDoor reviews & insights
$25 - $49/hr10 - 492009San Francisco, California -
We are Spartan, a team of elite, tech-savvy professionals who specialize in providing outstanding technical expertise to meet your goals. Our engineers are selected from the top 3%, signifying that they are not merely proficient coders but also exceptional engineers with a deep comprehension of the intricacies of software development.The company is based in the ... read Spartan reviews & insights
NA2 - 9Los Angeles, California -
American Web Solutions helps businesses get online. We make websites, design logos, manage social media, and build software. We’re based in the USA and work hard to give you the best results.In today’s rapidly evolving digital landscape, staying ahead is crucial. Our innovative digital solutions empower your brand to stay on top in the digital ... read American Web Development reviews & insights
$25 - $49/hr2 - 92024Los Angeles, California -
Danber Technologies offers a full range of digital services to elevate your brand. From WordPress Development, Web Design, and Mobile App Development to Logo Design, Branding, and Graphics Design, we build solutions that captivate. With Copywriting, Content Writing, and UI/UX Design, we create engaging user experiences. Our Digital Marketing, SEO, and Social Media Management services ... read Danber Technologies reviews & insights
NA10 - 492023Sacramento, California -
At Appcraft Tech, we specialize in delivering cutting-edge, customized app and web development solutions tailored to meet the unique needs of businesses across diverse industries. Our goal is to transform your ideas into fully functional, user-friendly digital platforms that drive engagement, efficiency, and growth. We offer a full spectrum of development services including custom app ... read Appcraft Tech reviews & insights
NA2 - 9El Cajon, California -
We are a leading staff augmentation and offshore software development company based in the USA, specializing in providing skilled talent for diverse projects. Our expert developers seamlessly integrate with your team, delivering high-quality solutions across various technologies. With a focus on innovation, reliability, and cost-efficiency, we empower businesses to scale quickly and achieve their project ... read Progress Arc reviews & insights
$25 - $49/hr2 - 92024Irvine, California -
Hello Digital Agency is your trusted partner in delivering innovative and high-quality digital solutions. With years of expertise, we empower businesses to grow through customized web design, app development, graphic design, and digital marketing strategies. Our mission is to help you stand out in a competitive market by offering services tailored to your unique needs.
NA2 - 9San Marcos, California -
At ThoughtMinds, we specialize in developing custom generative AI solutions that help businesses enhance efficiency and drive revenue growth. Our mission is to empower enterprises with cutting-edge AI technology, seamlessly integrating it into their workflows to optimize processes without disruption. We offer a range of AI services, digital engineering, and product engineering solutions designed to ... read Thoughtminds reviews & insights
$25 - $49/hr10 - 492023San Francisco, California -
X-Out Studio is a team of passionate experts dedicated to delivering exceptional digital solutions. With over 30 skilled professionals and more than 50 completed projects, we excel in bringing innovative ideas to life. From websites and applications to AI and blockchain, we tackle projects of any complexity, combining creativity with cutting-edge technology. Our commitment to ... read X-Out Studio reviews & insights
$25 - $49/hr10 - 492021Mountain View, California -
At OneDigit, we provide innovative, cost-effective solutions in software development, AI, automation, app development, and digital marketing to help businesses streamline operations and drive growth. Our mission is to provide customized digital marketing services to all of our customers, regardless of their sizes. We are always available for our customers. Digital marketing is the future ... read OneDigit reviews & insights
$25 - $49/hr10 - 492024Tustin, California -
At Query Minds, we empower businesses with intelligent IT solutions that drive efficiency, security, and growth. Our expertise spans across workflow automation, cloud solutions, cybersecurity, data analytics, and IT infrastructure management. We specialize in: ✅ Workflow Automation – Streamlining business processes with Power Automate & AI-driven automation. ✅ Cloud Solutions – Secure cloud migration and ... read Query Minds, LLC reviews & insights
$50 - $99/hr2 - 92025Sacramento, California -
NovaMVP delivers functional MVPs for quick market validation with AI-Assisted Development. Idea to market-ready products to launch really fast.
NA2 - 92017San Francisco, California -
We are local creative and interactive experts specializing in WordPress based projects working out of San Francisco and the Bay Area. A little bit about us Based in San Francisco’s Hayes Valley district, Red Bridge Internet is a small group of industry professionals with experience in all aspects of design, development, and internet marketing.
< $25/hr2 - 92006San Francisco, California -
Altumind delivers comprehensive digital Innovation solutions, empowering businesses to navigate and thrive in an ever-evolving digital landscape. Specializing in strategic digital transformation, experience design, and website and mobile app development, we craft intuitive, user-centric experiences powered by data-driven innovation and cutting-edge technology. With a vision of seamlessly integrating technology and human-centered design, we help businesses ... read Altumind Global reviews & insights
$50 - $99/hr50 - 2492016Wilmington, California -
At Web Venturez, our mission is to empower businesses with impactful digital presence through innovative web development solutions. We strive to blend creativity, functionality, and cutting-edge technology to craft websites that not only meet our clients' objectives but also exceed their expectations. By fostering collaboration and pushing the boundaries of web development, we aim to ... read Web Venturez reviews & insights
$100 - $149/hr50 - 2492018San Francisco, California -
Founded in 2006, Technosys Solutions is a software development partner specializing in custom web and mobile app development, enterprise automation, and AI-driven solutions. With over 18 years of proven expertise, we help startups, SMEs, and enterprises accelerate their digital transformation journeys through scalable, secure, and high-performance technology. Our hybrid delivery model combines onsite collaboration in ... read Technosys Solutions reviews & insights
NA10 - 492006California City, California -
Web6 Solutions empowers businesses by delivering expert web development, digital marketing, and creative design services tailored for growth and success. We specialize in building high-performance websites, managing targeted digital campaigns, and crafting visually compelling brand experiences. Whether you need a responsive website, SEO optimization, or full-service social media marketing, Web6 Solutions combines innovation and strategy ... read Web6 Solutions reviews & insights
< $25/hr10 - 492022Los Angeles, California -
We are a strategic information technology (IT) solutions and services provider headquartered in Oklahoma with offices in Washington D.C. and Silicon Valley. Our services enable government agencies to succeed in their mission by solving their most demanding challenges. AI-Vets supports economic growth and increased opportunities in historically underutilized business zones. In addition to HUBZone certification, ... read ai-vets reviews & insights
$25 - $49/hr50 - 2492017San Jose, California -
At IntuitionLabs, we're dedicated to helping pharmaceutical companies optimize their operations and maintain compliance through Veeva CRM implementations, intelligent automation, and data-driven solutions. Founded in 2023 in San Jose, California, IntuitionLabs emerged from our founder's extensive background as a former CEO serving hundreds of B2B clients and 25 years of enterprise software development experience. Adrien ... read IntuitionLabs reviews & insights
< $25/hr10 - 492023San Jose, California -
We are a full-service digital agency and software development company, specializing in web development, app development, e-commerce solutions, and digital marketing. With a passion for innovation and a dedication to customer satisfaction, we are committed to helping businesses thrive in the digital world.
$50 - $99/hr10 - 492018Los Angeles, California -
Digialpha is a global technology consulting and services company and a partner of choice for many of the world’s leading enterprises, SMEs and technology challengers. We design and deliver new digital experiences, revenue streams and business models for high-growth companies to meet rising employees and customers expectations and accelerate their growth. Our expertise addresses the ... read Digialpha reviews & insights
$25 - $49/hr50 - 2492014San Diego, California -
Web Design Mechanic is more than just a website design company in USA. We're a creative force that blends design, tech, and marketing into one streamlined experience. We help businesses grow with custom web solutions that look amazing and work flawlessly. Our sites are built for performance, designed for engagement, and tailored to your goals. ... read Web Design Mechanic reviews & insights
NA50 - 2492020Fremont, California -
Welcome to Royce Web Solutions! Royce Web Solutions builds revenue‑driven digital platforms for growth‑minded companies worldwide. From conversion‑focused websites & e‑commerce stores to scalable SaaS & web applications, AI‑powered automations & personalization, and mobile experiences, we engineer, launch, and optimize faster so you can scale. Global Delivery: Irvine, CA (HQ) • India • Singapore - ... read Royce Web Solutions reviews & insights
$25 - $49/hr50 - 2492023Irvine, California -
At Prism Web Designs, we craft powerful digital experiences that elevate your brand and drive real results. From custom web design and BigCommerce development to Wix website services, local search marketing and SEO optimization — we deliver tailored solutions to meet your business goals. Our expert team blends creativity with strategy to ensure your website ... read Prism Web Design reviews & insights
< $25/hr10 - 492016San Francisco, California -
Zroxxal is a digital solutions company focused on helping businesses grow through smart, scalable, and user-centric technology. We specialize in building AI-powered chatbots, custom web and mobile applications, and digital automation tools that enhance customer experience and streamline operations. Our strength lies in understanding business challenges and delivering tailored solutions that are both innovative and ... read Zroxxal reviews & insights
< $25/hr2 - 92020California City, California -
Innovative Web Development is a top-rated web design and development company in California, USA. We offer high-quality, scalable websites that increase conversions, improve SEO visibility, and strengthen your online presence. Our skilled team specializes in responsive site design, branding, and custom functionality, combining creativity and strategy to deliver long-term success. Whether you're a startup or ... read Innovative Web Development reviews & insights
NA250 - 9992015Los Angeles, California -
PowerBeam is a technology development company highly experienced in robotics, software, firmware, electronic systems, PCB, and product design and manufacturing. PowerBeam engineers work in board-level electronics, firmware, and software. We write the entire software stack from the drivers to the cloud.
$150 - $199/hr2 - 92014Mountain View, California -
Riverstone's team excels in building world class solutions for design, technology and software. Each team member is empowered to make decisions with support from the rest of the team. This method creates continuous growth and shared expertise to benefit our customers. At Riverstone, we are following our vision to be a world class team excelling in design, ... read Riverstone Infotech reviews & insights
$25 - $49/hr250 - 9992001San Francisco, California -
Vy Systems is a Global Technology consulting, Solutions, and Managed Technology Services company. We service our customers with ‘RESPONSIVENESS’ as a key factor and we believe that timely response to any transaction increases the operational efficiency and accelerates the revenue and profitability to our customers. The Company is founded and managed by a team of ... read Vysystems Pte Ltd reviews & insights
$50 - $99/hr250 - 9992000San Francisco, California -
At Deemsoft we specialize in delivering comprehensive cloud consulting services designed to accelerate your business's digital transformation. Our expert team helps you navigate the complexities of cloud adoption, migration, and management across major platforms like AWS, Azure, and Google Cloud. We offer tailored solutions in cloud strategy, migration, security, application development, and managed services, ensuring ... read Deemsoft reviews & insights
< $25/hr10 - 492007San Francisco, California -
At RoundTechSquare, we believe that every business deserves digital solutions that inspire growth and innovation. Our work doesn’t stop at delivering websites, apps, or tools—it starts with understanding the essence of your business and crafting experiences that matter. From helping B2B companies simplify complex operations to empowering SaaS startups to scale their vision, our team ... read Round Tech Square reviews & insights
< $25/hr10 - 492020San Francisco, California -
Canvendor is a global business directory and B2B platform designed to connect companies with trusted partners, tools, and opportunities. We make it easier for businesses to discover, compare, and choose the right vendors across industries. With verified listings, seamless navigation, and a focus on reliability, Canvendor empowers organizations to make smarter decisions and accelerate growth.
< $25/hr50 - 2492016Dublin, California -
Optisoft Labs is a dynamic digital agency that has been helping businesses optimize their digital presence since 2014. Our team provides services including logo design, website development, app development, eCommerce solutions, branding, and digital marketing. We focus on creating customized and effective digital strategies that foster meaningful engagement with your audience. Our approach balances creativity, ... read Optisoft Labs reviews & insights
$25 - $49/hr50 - 2492015North Highlands, California -
Website Tunnel is a leading U.S.-based web design and development agency creating result-driven, interactive websites that boost business growth. Our expert team delivers innovative, high-performing solutions tailored to your brand, ensuring seamless functionality and exceptional user experience. Serving all industries with precision and creativity, we turn your vision into a powerful online presence that drives ... read Website Tunnel reviews & insights
$25 - $49/hr2 - 92024Los Angeles, California -
Website Bear is a leading design agency that empowers businesses through creativity and innovation. We specialize in delivering visually striking websites, logos, animations, and digital marketing solutions tailored to your goals. Our expert team combines design excellence with data-driven strategy to enhance your brand’s online presence, boost engagement, and unlock new growth opportunities. At Website ... read Website Bear reviews & insights
$25 - $49/hr2 - 92024Los Angeles, California -
App Crunch began as a small circle of curious minds made up of designers, developers, and data thinkers who loved turning complex ideas into intelligent digital solutions. What started as late-night experiments with code and creativity soon evolved into a full-fledged mission to build the brains behind the world’s smartest apps. Today, we are a ... read App Crunch reviews & insights
$50 - $99/hr50 - 2492024Los Angeles, 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.