All Trei apps
Developer keyboard
Dev Keyboard
A keyboard built for code, commands, and symbols.
Dev Keyboard gives Android and iOS users fast access to brackets, arrows, symbols, key feedback, haptics, themes, and settings designed for developer typing.
What Dev Keyboard does
- developer key rows for brackets, arrows, and symbols
- Android IME and iOS keyboard extension identifiers
- themes, haptics, key preview, and sound settings
- offline-safe local preferences and runtime config fallback
- feedback, privacy, terms, and support links
- Premium removes ads only
Common questions
Is Dev Keyboard free?
Yes. Keyboard layouts, settings, themes, and developer keys stay available on the free tier. No keyboard feature is gated behind Premium; Premium removes ads.
What are the app identifiers?
Android uses dev.trei.devkeyboard. The iOS keyboard extension uses dev.trei.devkeyboard.keyboard.
How do I send feedback?
Use trei.dev/feedback with the Dev Keyboard app context.