Top 100 iPhone Applications Development Companies in California

Streamline social, a software development firm, is headquartered in San Francisco, California; Buffalo, New York and Montevideo, Uruguay. Founded in 2009, the small team specializes in custom software development, mobile app development, ux/ui design, product design, and more.

Founded in 2022, Horizon Labs is a small custom software development firm. Their services include custom software development, web development, mobile app development, application management & support, and more. The agency is in Irvine, California.

Based in Anaheim, California, Reinforce Global is a custom software development company. They provide custom software development, application management & support, mobile app development, and web development and were launched in 2019.

Devio Tech is a website development firm founded in 2018. Their services include Web Development and Mobile App Development.

INSTALOPER, LLC is a web design company. The small Irvine, California-based firm was launched in 2016. Their team specializes in web design, ux/ui design, custom software development, web development, and more.

Health Samurai is a machine learning company based in Manhattan Beach, Calif. Founded in 2004, the team of 16 specializes in web development, mobile app development and AI.

BL3NDlabs is a software and strategy design firm based in San Diego. They were founded in 2015, and have a team of 13 employees. They specialize in custom software development, mobile app development, and product design.

Jafton specializes in building mobile apps and custom software for funded startups and organizations. Our team of more than 100+ experienced software engineers, iOS developers, Android developers, DevOps engineers, designers, and project managers led by the CEO who built and successfully sold multiple startups partner with you to assure the success of your project.

Founded in 2008, Platform Purple, Inc. is headquartered in Los Angeles with another location in Chicago. Their team os 12 employees provides custom software development, mobile app development, and e-commerce development services for enterprise, midmarket, and small businesses. They focus on e-commerce, health care, medical, and retail industries.

Round Pegs, Inc is a small mobile application development company headquartered in San Jose, California. The team specializes in Mobile App Development and Application Management & Support.

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.

Odyssey Computing, Inc. Is a web design company headquartered in San Diego, California. The small agency was founded in 1996. Their services include web design, ux/ui design, custom software development, web development, and more.

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.

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.

WolfPackk is a small e-commerce development company headquartered in Oakland, California and Toronto, Canada. They specialize in e-commerce development, mobile app development, web development, and custom software development and were established in 2010.

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

Web design company Friflex is located in Beverly Hills, California. Their services include Web Design and UX/UI Design.

Headquartered in Fremont, California and Gurugram, India, Radiansys is a software development firm. The midsize team focuses on custom software development, ux/ui design, cloud consulting & SI, mobile app development, and more. The firm was established in 2007.

Swenson He is a mobile app development company headquartered in Marina del Rey, CA. Founded by two MIT alumni, the team of now 20+ engineers specializes in mobile app development and UX/UI design for iOS, Android, and hybrid mobile platforms.

AKQA is a CRM consulting and SI company. In San Francisco, California and London, England, the firm was founded in 1994. Their team provides CRM consulting and SI and E-Commerce Development.

Thin Film Electronics is an app development company founded in 2005. The team offers Mobile App Development and is based in San Jose, California.

Switspeed, an app development firm, was founded in 2017. The team provides Mobile App Development and Custom Software Development.

Deutsch LA is a Los Angeles, California-based website development firm. The team offers Web Development and E-Commerce Development.

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.

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. 

Dream Warrior Group is a custom software development company. Their team is based in Los Angeles, California and provides Custom Software Development and Conversion Optimization.

Centrix Cube is an app development company. The firm is headquartered in Arcadia, California. Their services include Mobile App Development.

Oldmann is a small user experience design agency established in 2019. Their services include UX/UI Design and Mobile App Development.

Bryj is a mobile application development firm established in 2013. The team focuses on Mobile App Development.