Hilal Tracker
Track hilal visibility with real astronomy and AR moon guidance.
v1.0.0 10+ downloads Updated November 1, 2026
Scan to open on your phone
Screenshots
About this app
Hilal Tracker is a scientifically accurate Islamic astronomy app designed for crescent moon (hilal) observation, Hijri calendar tracking, and real-world moon visibility prediction. Built for Muslims, moon sighting committees, astronomy enthusiasts, astrophotographers, travelers, and researchers.
Features
- Scientifically accurate crescent visibility prediction using Jean Meeus ELP2000 & VSOP87 models
- AR Sky View with live camera overlay for real-time moon direction guidance
- Yallop & Odeh visibility criteria for naked-eye and telescope estimation
- Interactive moon direction map with sun reference and GPS positioning
- Hijri calendar with Ramadan & Eid tracking and Gregorian conversion
- Observation logging with GPS coordinates and timestamped reports
- Offline astronomy engine — no subscription required
Built with
KotlinARCoreAndroid SDK
- Released
- May 15, 2026
- Categories
- android, education
Version history
- v1.0.0majorMay 15, 2026
- Initial release with AR Moon View, crescent visibility formulas, and Hijri calendar integration.
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