Heavens-Above, developed by Heavens-Above GmbH, is a mobile educational reference app for satellite tracking and sky observation. It generates a live sky chart tied to the device GPS and sensors and computes pass predictions for the ISS and visible satellites, showing orbits and ground tracks. Features include night mode, radio-satellite frequency details, calendar event integration for alerts, and on-device orbital calculations for offline use. The app suits amateur astronomers, ham radio operators, students, and educators running classroom demonstrations or field observation sessions.

The app links to an authoritative satellite database useful for instruction

The app links directly to the long-running heavens-above.com database, maintained by the developer founded by Chris Peat in Munich. That provenance gives instructors consistent orbital elements for lesson planning and reproducible demonstration material. Suitable classroom activities include timed observation labs, exercises where students compare predicted passes with real sightings, and teacher-created problem sets that use the same source data students consult in the field.

The app supports point-and-identify exercises that teach observational skills

The 'Tracker' feature lets learners point a device and identify the object at that bearing, turning sky-watching into a guided exercise. Instructors can set up paired tasks: one student records a predicted pass while another uses the Tracker to confirm identity. Practical exercises include timed spot tests, cross-checking sightings with class charts, and simple lab notebooks that log observed times and angles for later analysis.

Platform support and update cadence shape lesson planning

The app is available for Android devices and receives regular updates to support modern Android releases. Teachers must factor in the need for occasional orbital-element refreshes, typically every few days, and note reported server connection issues on legacy Android builds below Android 10. Planning a brief pre-session connectivity check and confirming element currency reduces the risk of a disrupted outdoor observation activity.

Good fit for Android-first classes, with a device-compatibility caveat

The app is suited to instructors and hobbyists who need a maintained, data-backed platform for live observation and field exercises, thanks to ongoing updates that follow modern Android releases. However, no iOS version exists, which limits mixed-device classrooms. Tip: designate an instructor Android for demonstrations and confirm student devices before outdoor sessions to avoid compatibility gaps.