Know exactly when — and where — to look up.
Satellite passes. Rocket launches. AR sky tracking. All on your phone.
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App screenshot placeholder
AR view with ISS trajectory
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Satellite Pass Predictions
Know exactly when the ISS, Hubble, Starlink, and 11,000+ satellites are visible from your location.
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Launch Visibility Alerts
Get notified when a rocket launch is visible from where you are. AR view shows you exactly where to look.
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AR Sky Tracking
Point your phone at the sky. See satellite paths overlaid on your camera feed in real time.
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Smart Conditions
Weather, cloud cover, moon phase, light pollution — all combined into a simple viewing score.
See it in action
Pass List
AR View
Launch Detail
Widget
Free download. No account needed.
Get satellite pass alerts, launch visibility predictions, and AR sky tracking — all on your phone.
Or try the web version: See what's visible tonight →