Blog

Engineering insights, product updates, and the story of building a full IDE for your phone.

The App That Built Itself

We used PropelCode on our phone to build PropelCode — generating code, reviewing commits, and deploying to production. All while at the zoo, the playground, and soccer games with the kids.

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Why We Built a Mobile IDE

The problem with losing ideas to bad timing. The gap between mobile and desktop development. Why existing mobile editors weren't enough. And the vision that became PropelCode.

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The Architecture Behind PropelCode

How we give every user their own Linux container. The WebSocket bridge. Why Expo + React Native for cross-platform. The AI agent loop. Monaco on mobile. An honest discussion of trade-offs.

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Coding on Your Phone Actually Works — Here's How

Practical tips for mobile development. The three-panel layout. When to use the AI agent vs. manual editing. Git workflows on mobile. Real examples of what you can build from your phone.

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