ISS Satellite Tracker
Starlink & ISS passes tonight
About
Discover when and where to see the International Space Station and Starlink trains from your location. Get accurate predictions and reminders for visible passes, working entirely offline. Enhance your viewing experience with detailed orbital data and an educational library.
What's New in ISS Satellite Tracker
1.1
September 9, 2026
Starlink trains are now free to see, always, shown the moment one's up, no black screen, no waiting. New: a dated sky-events layer covering the year's meteor showers, starting with December's Geminids. Pro now includes an alert the moment a Starlink train is worth stepping outside for.
MoreSubscriptions & In-App Purchases
Pro Annual
Unlocks globe, education, multi-satellite, widgets.
Developer apps
FAQ
Does ISS Satellite Tracker have ads?
No, ISS Satellite Tracker is ad-free. The app is free to download and use with optional Pro features available as a one-time purchase.
What devices does ISS Satellite Tracker support?
ISS Satellite Tracker is currently supported on iPhone devices.
How accurate are the ISS Satellite Tracker predictions?
Pass predictions are calculated on your device using real orbital data, ensuring accuracy for your exact location and working completely offline.
Can I use ISS Satellite Tracker without an internet connection?
Yes, ISS Satellite Tracker works completely offline. All pass predictions are calculated on your device, so no internet connection or live feed is required.
What is the age rating for ISS Satellite Tracker?
ISS Satellite Tracker has an age rating of 4+, making it suitable for a wide audience interested in space observation.
How often is ISS Satellite Tracker updated?
The latest version of ISS Satellite Tracker is 1.1, and it was last updated on September 9, 2026. Updates typically include orbital data refinements and feature enhancements.
What are the Pro features in ISS Satellite Tracker?
Pro features include a cinematic 3D globe with live orbit rendering, brightness predictions for passes, tracking of China's Tiangong station and Hubble, Starlink train alerts, home screen widgets, and an educational library.
How do I purchase Pro features for ISS Satellite Tracker?
Pro features are available as a one-time purchase. There are no subscriptions, and nothing renews automatically, offering a straightforward way to access advanced features.
