Top California App Development Startups (77)

Doodle Labs designs and produces industrial-grade wireless networking solutions. The company focuses on mesh networking for robotic systems, providing high throughput, long-range Mesh Rider solutions for UAVs, UGVs, AMRs and other robotic applications. The company’s Helix Mesh Rider Radio was developed with sponsorship from DIU and is the Blue UAS program’s datalink of choice. Doodle Labs was named one of Fast...

WorkWhile is an AI-powered next generation labor platform that helps businesses in light industrial, hospitality, and events achieve over 90% fill rates and reduce no-shows through AI and predictive machine learning. We ensure seamless shift execution with trained, on-demand workers supported by on-site leads, real-time performance monitoring, and a robust accountability system. Our worker-first model boosts retention through benefits like...

Sortly is the simplest inventory platform for business and teams to stay on top of their stuff. Our visual system enables business to easily track what they have, where it is, and who has it. Anytime, anywhere, on any desktop, tablet or mobile device. Sortly is trusted by tens of 1000’s of small businesses and teams at large enterprises including HP, Honeywell,...

As the trusted choice for digital agencies, SaaS platforms, and web professionals, Duda powers over 1 million websites worldwide. Our platform offers a comprehensive suite of tools that enable users to efficiently create pixel-perfect, feature-rich websites at scale.

LCPtracker, Inc. is the leading solution for certified payroll reporting software, construction site compliance management, and workforce reporting. It all started in 2001, when LCPtracker CEO Mark Douglas envisioned a Software-as-a-Service (SaaS) solution geared towards prevailing wage compliance for K-12 school construction. After two years of development with just a three-person team, LCPtracker Professional was officially launched. By 2006, our...

Blacksmith Agency is a full-service agency, focuses on offering its services within web designing, wireframing and content creation.

Founded in 2013 in San Francisco, MobileAction is a pioneer in app analytics and the growth partner of apps and games for organic and paid user acquisition. It is the go-to platform for app marketers aiming for the top charts on the App Store and the Google Play Store, trusted by industry giants like Meta, Square, Zalando, Playtika, and Adidas. MobileAction...

FS Studio builds product solutions designed to simulate your robotic platform, autonomous devices, IIoT (Industrial Internet of Things) devices, complex systems, autonomous warehouse or environment, using Advanced Digital Twins, Robotic 3D Simulation, Synthetic Data for AI, and Data Rich Immersive Experiences that are scalable and can be easily distributed throughout your workforce.

We’re a Digital Product Agency you can grow with, globally recognized as a Top Flutter development company. We design, build, and scale digital products by combining strong product strategy, thoughtful design, and solid engineering. With 95+ experts, we build products for any screen: mobile, web, desktop, and embedded devices, always focusing on scalability, performance, and long-term maintainability. As a company focused on...

Blink UX is a global product design consulting firm creating products and experiences people use, love, and remember. Blink has over two decades of experience in UX research, strategy, and design, partnering with innovative industry leaders, including Amazon, JPMorgan Chase, Google, Meta, The New York Times, and NASA.

At SmartCookie.App, our mission is simple: to keep kids engaged in learning and self-motivated to pursue ongoing education. We accomplish this through an innovative approach to parental controls that uses kids’ desire to access online entertainment to drive their learning.

WeblineIndia provides offshore software development and dedicated teams for SMBs and mid-market companies seeking predictable delivery, modernization, and innovation. Founded in 1999, the company combines US presence with an ISO-certified development center in India through its proprietary RelyShore® model, delivering offshore efficiency with enterprise-grade reliability across 3600+ projects, 825+ clients, and 25+ countries. With 165+ skilled engineers, WeblineIndia offers AI/ML, data,...

Quo is a modern business phone system that brings all your calls, texts, and customer information together in one easy-to-use, AI-powered platform. It helps your team stay organized and respond faster, so you can give every customer a great experience. AI handles busywork like logging calls, organizing messages, answering FAQs, and seamlessly hands off conversations to your team when needed. Whether...

1stMILE (formerly Merchant Partners) is a software technology company based in Redmond that provides a consumer driven commerce platform to businesses in the automotive marketplace. We have more than 12,000+ locations using our 1stMILE software to process payments and increase revenue via our integrated solutions.

Parkade's core focus is multi-family buildings and offices, allowing management to easily lease spots digitally through our app to residents, guests and employees. And, when people lease assigned spots long-term, they can reshare their spot when it's vacant — hugely increasing parking capacity and reliability. We are replacing spreadsheets and manual, antiquated processes and helping our customers grow revenue. The...

Paybotx is a rapidly growing financial technology and merchant services company dedicated to helping businesses accept payments more efficiently while providing the tools they need to operate and grow. We partner with businesses of all sizes across the United States to deliver customized payment processing solutions, point-of-sale (POS) systems, payment gateways, eCommerce integrations, virtual terminals, mobile payment solutions, and business...

The AI-native developer intelligence platform that connects the dots between your data and the context you need to drive more impact.

MojoTech is a 100% US-based software development company that integrates strategy, engineering, and design to create results-driven digital products and experiences. We've written the playbook for how to discover, define, design, and build tomorrow's innovations, empowering companies to unlock future market potential, maximize returns on innovation, and drive transformational change.

Create successful apps and websites through chat — on a safe open tech stack for AI that rolls back limits

Shorebird is a developer-tools company that makes it easier for businesses to build, ship, and operate mobile applications with Flutter. Our flagship product, Code Push, enables safe over-the-air updates for Flutter apps—allowing teams to fix bugs, ship features, and respond to issues without waiting for app store approval. We're expanding our platform to support more of the Flutter development lifecycle,...