The product team you don’t have yet.

Appstem is a San Francisco product studio. We design and engineer custom mobile, web and emerging products for Fortune 500 brands and ambitious start-ups.

Selected work

Products launched
250+
Building since
2010
  • Tesla
  • Johnson & Johnson
  • Kaiser Permanente
  • Cedars-Sinai
  • Clorox
  • Zendesk
  • Enterprise
  • Lionsgate
  • JSX

Services

From the first question to the hundredth release, one senior team owns strategy, design, engineering and quality — so nothing gets lost in the handoff.

Product Strategy

Clarity before code.

We pressure-test the idea, shape the roadmap and define what version one must do — so budget goes where it matters.

  • Discovery
  • Roadmapping
  • Prototyping

Experience Design

Simple on the surface.

Research-led UX and precise UI that turn complicated workflows into products people understand at a glance.

  • UX research
  • UI design
  • Design systems

Engineering

Built to perform.

Native iOS and Android, React Native and modern web platforms — engineered for scale, security and speed.

  • iOS
  • Android
  • React Native
  • Web

Quality & Growth

Launch is just the beginning.

Rigorous QA, release management and ongoing support that keep products stable, measured and improving.

  • QA testing
  • Support
  • Analytics