Heavens-Above vs UNISTELLAR App
Heavens-Above
heavens-above.comUNISTELLAR App
unistellar.comSide by side
| Figure | Heavens-Above | UNISTELLAR App |
|---|---|---|
| Price from | Free | — |
| Free plan | Yes | — |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | — |
| iOS | Yes | Yes |
| Android | Yes | Yes |
| Plans published | 2 | 0 |
| Spec score · Astronomy Apps | 8.4 (#7) | 6.9 (#33) |
| Headquarters | Munich, Germany | Marseille, France |
| Privacy | The privacy policy says the site collects browser and visit information, including IP addresses, and may use cookies to track site use and preferences. | The privacy policy says the app is linked to the telescope model and serial number and that UNISTELLAR collects product usage information such as activation date and place, responsiveness, and errors. |
| Purpose | Heavens-Above provides predictions and information for observing satellites and other objects in the sky. | The UNISTELLAR App turns a smartphone or tablet into a control center for exploring stars, planets, and galaxies with a UNISTELLAR telescope. |
| Support | The FAQ welcomes suggestions, corrections, and bug reports, but says the team cannot reply to every email and only understands email written in English. | UNISTELLAR provides a Help Center with app guidance, telescope technical support, and order, billing, and shipping information. |
Plans
In their own words
Heavens-Above
Heavens-Above provides satellite predictions and sky information through Android, iOS and web access. The website lists 10-day predictions for selected satellites, daily predictions for brighter satellites and Starlink passes from a launch. It also offers a live sky view, interactive sky chart, dynamic 3D Starlink orbit display and interactive 3D ISS visualization. Charts and information cover the Sun, Moon, planets, comets, asteroids and constellations. The Android app includes predictions for the ISS, visible satellites and radio satellites, plus orbit and ground-track views, night mode and an orientation-based tracker. Selected passes can be added to a device calendar. Predictions run locally, with a data connection needed every few days. The free plan costs nothing; Heavens-Above Pro costs $4.99, paid once and removes Android adverts. Predictions become less accurate farther from the current date.
UNISTELLAR App
UNISTELLAR App has no write-up on Specifiction yet; its figures are above.