Top 100 Mobile App Developers in California

Treeline Interactive is a software development company based in San Diego. Since being founded in 2004, it has grown to a team of about 54 that does IoT development, custom software development, mobile app development, and web development. Its clients are mostly midmarket and small businesses. 

Varfaj builds mobile apps and E-Commerce experiences for bluechip startups and world-class companies such as Mark Cuban Companies, JLo Beauty, and Olaplex. Our team specializes in taking ideas from UX conceptualization through UI design to development and post-launch support. Since inception in 2018, Varfaj has reshaped the agency world by developing over 100 projects, becoming a Shopify Plus Partner, and being named a Top 1000 Global Company in 2022.

Our services:

• Product Ideation: Scoping Sessions, Product Development Process, MVP Definition
• Product Design: UX/UI Design, Prototyping
• Product Development: iOS and Android Development, Web, and Backend Development
• Product Improvement: Code Audit, UX Audit, Ongoing Maintenance

Our tech stack:

• Front & Back End: React, Vue.js, Next.JS, Node, Python, Rails, Django
• Mobile: React Native, Flutter
• Systems: AWS, Heroku, Firebase, Netlify, Contentful, Stream, Sendgrid

Why us?

• Highly Process Oriented. We implement our battle-tested processes and empower you with comprehensive statements of processes.
   
• Technical Excellency. Our agile engineering team draws on experience from Coinbase, Sophialabs, Metamask, and more. This ensures that your project is developed by best in class engineers.
   
• Full Transparency. We pride ourselves on providing clear, transparent communication. Our project managers leverage shared Slack, Asana, Gantt, and Dropbox instances so that you know exactly where your project is at any time.
   
• Partner & Advisor. We are a true partner you can rely on. You can expect us to bring the same level of strategy and energy that you bring to your business.

Sure Exposure is a creative web design and digital marketing company located in California. Founded in 2006, Sure Exposure has worked with both small and medium-size businesses throughout the Bay Area. Sure Exposure is comprised of less than 50 employees and offers its clients web design, SEO, social media marketing, and other digital and development services.

Software development company EyeUniversal is in San Diego, California. The small firm was established in 2005. Their services include custom software development, mobile app development, search engine optimization, web design, and more.

Dextersol, a web design company, provide Web Design and UX/UI Design. They were founded in 2019.

Burgi Technologies is an IT support provider based in Tustin, California. Their small team of 1–2 employees mostly services small businesses in the healthcare, automotive, and manufacturing industries. They specialize in providing helpdesk support, ensuring HIPAA compliance, and conducting security backups.

Headquartered in San Jose, California, AppStealth is a small mobile application development company. Their services include Mobile App Development and Custom Software Development.

VSolvit, a custom software development firm, was established in 2006. The agency provides Custom Software Development and Cybersecurity, and is midsize.

Roonyx is a web, mobile app, and AI development company founded in 2008 that caters their services to small business and midmarket clients. They have a team of nearly 30 employees who provide services from Moscow and Boston. They focus on the business services, automotive, and e-commerce industries.

LimeTech is a mobile app development firm headquartered in Oakland, California and Boston, Massachusetts. The team specializes in Mobile App Development and Web Development.

Quantumsoftech is an app development company. Based in Palo Alto, California and , their small team specializes in Mobile App Development and Blockchain. The company was founded in 2018.

Buena Digital is a custom software development firm. The team provides Custom Software Development and Mobile App Development, and the agency is based in Thousand Oaks, California.

NS5 | Software Development Company is a software development company launched in 1999. The firm offers Custom Software Development and Web Development.

Left Field Labs is an user experience design agency. Located in Culver City, California, the company was founded in 2008. Their services include UX/UI Design and Mobile App Development.

MYZEAL I.T. Solutions LLC is a Los Angeles based IT consulting firm. They were founded in 2010 and have a team of 138 employees. They specialize in custom software development, AI, and mobile app development. They mainly work with mid-market and small business clients who are primarily in the healthcare, business services, and gaming industries.

Launched in 2015, Mobylogix, a small mobile app development firm, is headquartered in Marina del Rey, California and Kolding, Denmark. Their team focuses on Mobile App Development and Web Development.

Launched in 2000, Carbon Five is a custom software development company. Their team specializes in Custom Software Development and Mobile App Development.

Founded in 2018, SideLabs is a small mobile application development company. Their team focuses on Mobile App Development and Other Application Development.

Application development firm devAtelier offers Mobile App Development and Web Development. They are located in San Diego, California.

Pacific Logo Designs is a web design company headquartered in Bakersfield, California. The midsize company was launched in 1994. Their team provides web design, logo, search engine optimization, and mobile app development.

Based in Sacramento, California, Geekybugs is an user experience design company. They specialize in UX/UI Design and ERP consulting and SI and were founded in 2018.

ESquall Technologies PVT Ltd is a software development company founded in 2017. The small team specializes in Custom Software Development and Web Development.

Tradebox Media is an application development firm and Mobile & App Marketing company headquartered in Los Angeles, California. Their services include Mobile App Development and Mobile & App Marketing.

Linkedge is a custom software development company and application development firm. Their team is based in Los Angeles, California and provides Custom Software Development and Mobile App Development.

Business Consulting and app development company Calabria Group was founded in 1995. The agency provides Business Consulting and Mobile App Development.

Altoros is a software development company in Warsaw, Poland. Founded in 2001, Altoros' team of over 350 employees specializes in cloud consulting, BI & big data consulting, blockchain and artificial intelligence services. 

Echobind is a mobile app and web development consultancy whose services include code audits, custom training, and digital strategy. Based in Boston, MA with an office in Louisville, KY, this team of 2-10 creates digital products that inspire users and empower businesses.

TouchZen Media is a design and development agency based in Thousand Oaks, Calif. with no more than 10 experts. Since their founding in 2014, they have provided mobile app development, UX/UI design, and IT strategy consulting solutions to various clients.

Launched in 2011, Nitid Bit is a website development firm. The team offers Web Development and Mobile App Development and is based in San Francisco, California.

Devise Interactive is a software development firm established in 2014. Their team offers Custom Software Development and UX/UI Design.