Satellite tracker and pass predictor for Android
About this app
Track satellite passes with ease!
Thanks to Celestrak and SatNOGS you have access to over 9000 active satellites. You can search the entire database by NORAD Catalog Number or the satellite's name.
Orbital positions and passes are calculated relative to your location. To get reliable data make sure to set the station position via the app Settings.
The application is built using Kotlin, Coroutines, Jetpack Compose and Navigation. It is now and always will be completely ad-free and open-source.
Main features: • Predicting satellite positions and passes for up to 10 days
• Showing the list of currently active and upcoming satellite passes
• Showing the active pass progress, polar trajectory and transceivers info
• Showing the satellite positional data, footprint and ground track on the map
• Custom TLE satellite data import is available via Three Line Element .txt files
• Offline first: calculations are made offline. Weekly TLE data update is recommended.
Licensed under GPL-3.0-or-later, by Arty Bishop.
What's New in v4.1.0
Imported from the F-Droid repository index.
- Added What's New dialog to announce changes and features
- Added remote frequency control feature, by londre7 #195
- Updated the Chinese translation, by wty2019wty #196
Version history
Mar 9, 2026 · 7.3 MB · Android API 24–36 · code 410
Imported from the F-Droid repository index.
- Added What's New dialog to announce changes and features
- Added remote frequency control feature, by londre7 #195
- Updated the Chinese translation, by wty2019wty #196
SHA-256 5c355b3ad64c5b9e580bf0bcd41f806b79e362e8f21baf2da65b3e7916d89b80
Dec 28, 2025 · 2.2 MB · Android API 21–35 · code 323
Imported from the F-Droid repository index.
SHA-256 f9d072930686cdd90700110e513c4106cad3a48a7cbdeaa5a97bcc155fa4a056
Oct 7, 2025 · 2.2 MB · Android API 21–35 · code 322
Imported from the F-Droid repository index.
SHA-256 c97c46395554ba95391630da1a094112dce7438aa6fbceb9ba81f2b9208a39ee
Will it run on your device?
92%
- Runs on a broad range of modern Android versions.
- Multiple CPU architectures are covered.
- Aligned with the latest Android target SDK expectations.
Installation Guide
Open Settings on your Android device
Go to Security → Unknown sources (or Install unknown apps)
Enable "Allow from this source" for your browser or file manager
Open the downloaded APK file from your Downloads folder
Tap "Install" and wait for installation to complete
Launch the app from your home screen
Make sure to re-enable Unknown Sources restrictions after installation for security.
How to install this safely
How to verify the file you downloaded
Before you install anything, confirm the file is the one described here. On a computer, run shasum -a 256 your-download.apk (macOS or Linux) or certutil -hashfile your-download.apk SHA256 (Windows), then compare the output character-for-character with the SHA-256 on this page. If a single character differs, the file is not the build we recorded — delete it.
What the signing certificate proves
Every Android app is signed with a private key that only its developer holds. The fingerprint on this page is a hash of the matching public certificate, and it proves continuity rather than identity: it tells you a build came from whoever signed the earlier ones. Android enforces this at install time — if a package claiming to be com.rtbishop.look4sat is signed with a different key, the system will refuse to install it over your existing copy. A fingerprint that changes between releases is worth pausing on, because a repackaged app that has been modified by someone else cannot keep the original signature.
How to roll back to an earlier version
If the current release misbehaves, 3.2.3 is the last build before it. Android will not install an older version code over a newer one, so you must uninstall Look4Sat: Satellite tracker first — which clears its local data unless you have a backup. Reinstall the older APK only if its signing fingerprint matches the build you already trust, and check the API range: an older release may target an Android version your device has moved past.
Why we list sources instead of hosting everything
The official store channel is almost always the right choice: it updates automatically and carries the publisher's own distribution guarantees. A direct APK is useful when a device has no store access, when a rollout has not reached your region, or when you need a specific version — and only when the publisher has authorized that copy. APKBrowse does not list pirated, cracked, or unauthorized rebuilds of Look4Sat: Satellite tracker, and a listing is removed when the evidence for it stops holding up.
Get Look4Sat: Satellite tracker
Every source we list for com.rtbishop.look4sat is legality-reviewed. Pirated or cracked builds are never offered.
Other sources
F-Droid listing
officialF-Droid builds this app from source and signs it. This is its official listing, with older builds and full release notes.
Source code
verified publisherThe upstream repository this build is compiled from.
We check legality and signature continuity, but device behaviour still varies. Install at your own discretion.
App Information
Security Verification
We record provenance; we do not run malware scans. Verify the hash yourself before installing.
SHA-256 Hash
5c355b3ad64c5b9e580bf0bcd41f806b79e362e8f21baf2da65b3e7916d89b80
Signing certificate
bca485cdb26a2d1d832a87e393995888c22a374c8f2febc553a7df574c3b6590
Permissions Required
Previous Versions
The signing certificate fingerprint for this release is on record, so a build that does not match it did not come from this publisher.
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