Skopos: Sky & Launch Tracker

Know what’s above you. Explore the night sky, follow rocket launches, discover aircraft, and plan your next observing session with Skopos for iPhone and iPad.

EXPLORE THE SKY
Find stars, planets, the Moon, satellites, and constellations in an interactive sky view. Tap objects for details and facts. Customize scene layers, marker sizes, and night-view appearance.

FOLLOW ROCKET LAUNCHES
Browse launch schedules, mission details, countdowns, launch sites, and estimated visibility. Switch between lists, maps, and the sky view to explore where launches happen.

DISCOVER AIRCRAFT
See available aircraft on a map or in the sky view. Open aircraft details for callsigns, altitude, speed, and other information when supplied by the data provider.

PLAN YOUR NEXT SESSION
Use Tonight to explore ISS passes, planet viewing opportunities, meteor showers, astronomical events, and crew information. Add supported events to your calendar, choose reminder categories, and review weather and viewing conditions.

FREE TRIAL, ONE-TIME UNLOCK
Activate 30 days of full access through your Apple Account. The trial does not renew or charge automatically. After the trial, choose a one-time lifetime unlock for US $9.99 or the price shown in your local storefront. There is no subscription. Restore Purchases and eligible offer-code redemption are available in Settings.

No separate Skopos account is required. Settings, privacy information, and support remain available when a trial expires.

Fresh aircraft, weather, launch, map, and other provider information requires an internet connection. Coverage, schedules, and estimates can change. Skopos is for exploration and planning, not navigation or operational aviation use.

User guide: https://nsflabs.org/skopos/user-guide
Privacy policy: https://nsflabs.org/skopos/privacy-policy
Support: info@nsflabs.org