HamSat
Satellite tracker for hams
About
Track satellite passes with real-time azimuth, elevation, and Doppler-corrected frequencies. Features an Apple Watch companion for wrist-based aiming and pass tracking, and allows users to stamp photos with operational data.
What's New in HamSat
2.0.5
July 21, 2026
Choose your pass‑alert tone. New in Settings → Alerts: pick from several distinctive alert sounds — including a CW "HI" in Morse — or keep the default. Tap any option to preview it. (A more distinctive tone makes passes easier to catch; note that iOS still controls the actual volume.)
MoreIn-App Purchases
$9.99
HamSat Pro
Full operator toolkit. One-time purchase.
Developer apps
FAQ
What is HamSat?
HamSat is a satellite tracker designed for amateur radio operators. It provides real-time tracking of satellite passes, including azimuth, elevation, and Doppler-corrected frequencies, with an Apple Watch companion for wrist-based aiming.
Does HamSat work offline?
Yes, HamSat works completely offline. All satellite passes, sky dome views, ground tracks, and Doppler calculations are computed locally on your device, meaning no internet connection or API keys are required.
What are the features of HamSat Pro?
HamSat Pro offers advanced features such as Apple Watch tracking and guided wrist-aim, a fullscreen live tracker with second-by-second Doppler, live in-pass Doppler corrections, overhead-now live tracking for favorite satellites, unlimited scheduled alerts, and shareable Rover proof photos. It is a one-time purchase.
Can I track geostationary satellites with HamSat?
Yes, the free version of HamSat includes 'ALWAYS OVERHEAD' which lists and helps you find geostationary satellites in your sky, such as QO-100. No Pro subscription is needed for this functionality.
How accurate is HamSat's satellite tracking?
HamSat uses the SGP4 propagation model, which is the same model used by professionals, ensuring that times and positions match other reputable tracking applications. It also offers multi-source TLE data for comparison.
Does HamSat have ads?
No, HamSat is ad-free. The description explicitly states 'no ads' and emphasizes a privacy-first approach with no accounts or tracking.
What devices does HamSat support?
HamSat is available for iPhone and iPad. It also features a companion app for Apple Watch, extending its functionality to your wrist.
How often is HamSat updated?
The latest version of HamSat is 2.0, which was last updated on June 18, 2026. This indicates a recent update, suggesting ongoing development and support for the application.