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ISS Detector

issdetector.com

Free plan WebmacOSiOSAndroid
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Spec score 8.5 #6 of 35 in Astronomy Apps

What it is

ISS Detector helps users find visible International Space Station passes and predict satellite passes for their location. For each upcoming ISS pass, it gives the local start time, direction, highest altitude, and duration, and can notify users minutes before the pass begins. It checks the local forecast and indicates when clouds may prevent a sighting. Premium features add tracking for Starlink, Hubble, rocket bodies, planets, comets, and amateur radio satellites; amateur radio tracking includes transmitter information and Doppler shift calculations. Users can share sightings on social media. ISS Detector says it combines information from NASA, Heavens-Above, the Minor Planet Center, and yr.no weather. It is listed for Android, iOS, macOS, and web. The free plan includes ads and in-app purchases; ISS Detector Pro costs $17.99, paid once and includes all extensions with no ads. Its privacy policy says location calculations happen on-device and precise location is not stored on the maker’s servers. Google Play says data can’t be deleted.

Spec sheet

Purpose
ISS Detector helps users find visible International Space Station passes and satellite pass predictions for their location.Read 11 Oct 2026 · issdetector.com
Integrations
The privacy policy lists Space-Track for orbital data, RevenueCat for subscriptions, Google Analytics and Firebase for app statistics, met.no for weather, and Minor Planet Center for comet and celestial data.Read 11 Oct 2026 · issdetector.com
Security
The maker says anonymous user IDs and subscription statuses are stored securely and that it uses industry-standard security measures.Read 11 Oct 2026 · issdetector.com
Support
The app listing provides support by email at [email protected].Read 11 Oct 2026 · play.google.com
Headquarters
Gouda, NetherlandsRead 28 Sep 2026 · issdetector.com
Alerts
The app sends a notification minutes before a pass starts.Read 11 Oct 2026 · play.google.com
Data rights
The privacy policy says users may request access to or deletion of data associated with their anonymous user ID under GDPR.Read 11 Oct 2026 · issdetector.com
Data sources
The app says it combines data from NASA, Heavens-Above, Minor Planet Center, and yr.no weather.Read 11 Oct 2026 · play.google.com
Location privacy
The privacy policy says location calculations happen on-device and precise location is not stored on the maker’s servers.Read 11 Oct 2026 · issdetector.com
Notable limitation
Google Play says data can’t be deleted.Read 11 Oct 2026 · play.google.com
Pass details
Upcoming ISS passes include local start time, direction, highest altitude, and duration.Read 11 Oct 2026 · issdetector.com
Radio features
Amateur radio satellite tracking includes transmitter information and Doppler shift calculations.Read 11 Oct 2026 · play.google.com
Sharing
Users can share sightings on social media.Read 11 Oct 2026 · play.google.com
Tracked objects
Premium features include Starlink, Hubble, rocket bodies, planets, comets, and amateur radio satellites.Read 11 Oct 2026 · play.google.com
Weather
The app checks the local forecast and indicates when cloudy conditions may prevent a sighting.Read 11 Oct 2026 · play.google.com

Plans and prices

ISS Detector Satellite Tracker Free Contains ads · In-app purchases Read 11 Oct 2026 · play.google.com
ISS Detector Pro $17.99, paid once All extensions · No ads Read 11 Oct 2026 · play.google.com

Every ISS Detector plan and price →

Strong points and limits

Strong points

  • Shows pass time, direction, altitude, and duration
  • Sends alerts before a pass
  • Checks local weather for cloud cover
  • Premium includes additional tracked objects

Limits

  • Free plan contains ads and in-app purchases
  • Pro costs $17.99, paid once
  • Google Play says data can’t be deleted

Who it suits

ISS Detector suits people who want local pass details and advance notifications for skywatching. Its premium satellite and amateur radio tracking features may also suit users following those objects.

Verdict

ISS Detector combines pass predictions, weather context, and advance alerts, with more tracked objects available through its Pro plan. Check the listed platform coverage and Google Play’s data deletion note before choosing it.

Where Specifiction places it

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