NASA Spacecraft Compass

Urban Biker

About this app

There's no other app like this in the Universe.

🚀 100 kB compass app with vector graphics. Instant startup, battery-friendly.
🚀 Fully functional spacecraft instrument compass / attitude indicator.
🚀 FDAI = Flight Director/Attitude Indicator.
🚀 Shows roll, pitch, and yaw.
🚀 You can use it as a level, too.
🚀 The app accurately shows your orientation in 3D space. Imagine traveling through the Universe.
🚀 A true physical model that works correctly even when upside down.
🚀 Night mode.
🚀 Zoomable, without loss of display quality.
🚀 The app uses vector graphics for smooth and clear display.
🚀 Subtle vibrations to enhance the experience.
🚀 Live Wallpaper.
🚀 Wear OS app for your watch.
🚀 You can control this app programatically: https://github.com/Sublimis/Compass-Navball

✨ Why is this app so special?
• Supports adaptive frame rates up to 240 Hz for a smooth display.
• Drawing is done only with 2D primitives, like arcs and circles.
• Complicated mathematics is needed to achieve the 3D effect, but this makes the app very tiny and efficient.
• No ads. No permissions. One-time payment and it's yours forever.

👨‍🚀 The Apollo and Space Shuttle spacecrafts had this instrument on board called FDAI = Flight Director/Attitude Indicator. Check it out:
• https://www.nasa.gov/history/afj/ap16fj/01popup_fdai.html
• https://en.wikipedia.org/wiki/Attitude_indicator#Flight_Director_Attitude_Indicator

👨‍🚀 Usage
• Double-tap: Toggle day/night theme.
• Pinch: Zoom in/out.
• Double-fling horizontally: Toggle horizon on/off.
• Double-fling vertically: Down to swap horizontal, up to revert.
• Long tap: Demo animation, tap again to leave.
• Long tap the app icon: App menu where you can toggle vibrations and day/night theme.
• You can set the app as a Live Wallpaper.
• You can control this app programatically! Learn more: https://github.com/Sublimis/Compass-Navball

❤️ Keep in mind:
• Please leave a nice review if you like the app.
• Please consider supporting us by making a purchase. Making great apps takes a lot of effort.
• Check out our other apps!

What’s new

v1.10
2026-01-25
- Toggle horizon option (double flick left/right gesture)
- Vibration: Subtle vibrations now enhance your experience!
- Minor visual improvements