Spot the International Space Station & Starlink. Never miss a pass!
ISS Detector Satellite Tracker helps you spot the ISS and Starlink passes with precise, minutes-before alerts. It combines weather-aware visibility checks with a robust feature set for tracking satellites, planets, and amateur radio signals. With 5,000,000+ total downloads and a 4.79 rating from 108,872 reviews, it stands out in Education.
Pros & Cons
Precise, minute-before pass alerts with weather-aware visibility checks
Tracks Starlink trains and famous objects like the Hubble Space Telescope
Supports planets, comets and amateur radio satellites for broader stargazing
Free to use with optional Premium features
Lacks a live sky map visualization that some competitors emphasize
No explicit mention of HD video or real-time sky video features
Some advanced prediction features touted by competitors are not listed in the data
About ISS Detector Satellite Tracker
ISS Detector Satellite Tracker is an education app developed by RunaR.
How many times has ISS Detector Satellite Tracker been downloaded?
ISS Detector Satellite Tracker has been downloaded 8.4 million times. In the last 30 days, the app was downloaded 30 thousand times. It is ranked in the top 100 education apps.
What is the rating of ISS Detector Satellite Tracker?
ISS Detector Satellite Tracker is rated 4.77 out of 5 stars, based on 110 thousand ratings.
Is ISS Detector Satellite Tracker free?
ISS Detector Satellite Tracker is free to download. The APK download size is 14.75 MB. The latest version available is 3.00.038. The last update was on August 15, 2026.
What are the requirements for ISS Detector Satellite Tracker?
ISS Detector Satellite Tracker requires Android 7.0+ or higher. The app has a content rating of Everyone. The app has been available on Google Play October 2011.
Description
Join millions of users who never miss a pass!
Have you ever seen the International Space Station glide across the night sky? It is a breathtaking sight—a bright, steady light moving faster than a plane, home to astronauts orbiting 400km above Earth.
ISS Detector is the premier ISS tracker and satellite finder. Whether you’re a seasoned stargazer or just curious, we make the wonders of the cosmos visible from your backyard.
Why millions use ISS Detector: • Precise Alerts: Our ISS tracker sends a notification minutes before a pass starts. You'll know exactly when and where to look.
• Weather Integration: We check your local forecast. If it’s too cloudy to see the station, we’ll let you know so you can stay warm inside.
• Trusted Authority: With over 11 million cross platform downloads, this is the most reliable tool for satellite spotting.
• Total Simplicity: No complex setup. Just open the app and see when the next "Brilliant" pass occurs.
🛰️ Expand Your Horizon (Premium) Take your stargazing to the next level with our Premium Features:
• Starlink & Famous Objects: Track the SpaceX "satellite trains," the Hubble Space Telescope, and bright rocket bodies.
• Planets & Comets: Locate all the planets in our solar system and track new comets as they become visible.
• Amateur Radio (Ham) Satellites: Essential for operators. Track dozens of ham and weather satellites with real-time Doppler shifts and transmitter info.
Don’t just look at the stars—know what you’re seeing. Join the global community of space observers and never miss a sighting again.
Download ISS Detector today and look up!
Recent changes: Improved AR star dome orientation. AR Camera mode for the star dome. Improved moon calculations.
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Comments on ISS Detector Satellite Tracker for Android
★★★★★Astrostorm· Apr 1, 2026
This app is very accurate and helpful! It is actually spot on with predicting the ISS and even other satellites. I've been using the app for years and it is very helpful. Get this app if you want to see the ISS while it still exists.
★★★★★Frank Columbus· Feb 23, 2026
Very comprehensive library of trackable objects. Great for Amateur Radio Satellite work. Thank you for adding the Tel star satellites to the database for Famous Objects.
★★★★☆Shane Curless· Aug 2, 2026
Great app, just purchased a year subscription. Makes it very easy to find when the ISS is passing for an attempted QSO. I'd give it a fifth star if it had an offline mode for use in locations with spotty/no cell service, very common here in Canada!
★☆☆☆☆Kenny Lyons· Feb 21, 2026
If I could rate this app lower I would. They recently changed to a subscription based model in addition to the modular pay for extension to show information you want model. I have been using this app for close to 2 years, I paid for the amateur radio satellite extension, now I'm not getting the info I paid for because I'm not subscribed. When you pay for something in an app you should get to keep it, or you should get your money back for functionality you bought, but they locked you out of
★☆☆☆☆Modern Bushcrafter· Oct 23, 2025
Waste of money, very buggy and not all features work. I purchased the full bundle and regret it. The app doesn't work all the time for the extensions such as amateur satellites when selected, it will not show up. I reset the app, and it is worse as it has even less of the extensions showing than before, despite the settings to show the info correctly set. The live video feeds of course won't work as well. I am using a Samsung Galaxy S4 if that helps.
★☆☆☆☆Dave F· Mar 6, 2026
Do not update. No more map. You can not see or track the ISS anymore. This app worked great for years and now it is completely useless.
Google Play Rankings for ISS Detector Satellite Tracker
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Technologies used by ISS Detector Satellite Tracker
18 permissions·30 libraries
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Trust & Safety: Permissions include location (coarse and fine), network access, foreground service, notifications, billing, and install referrer checks. This aligns with location-based pass alerts, ads monetization, and license verification typical for a satellite-tracking app. No unusual or high-risk permissions detected.
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