Nautical Almanac calculates azimuth, height and other celestial almanac information for Sun and Moon, primary navigation stars and navigation planets: Venus, Mars, Jupiter, Saturn. In addition, for magnetic compass error calculation, finds Variation (Mag. Declination) for given positon. Calculation of variation is based on the latest World Magnetic Model (WMM2015).
Nautical Almanac has been scanned for viruses and it has been found totally safe. Skrypkin Maksym is the developer of the tool which refers to the Productivity category. The latest update was on Oct 4, 2020 and this application was downloaded and installed by over 100K users.
The app has been rated 4.8 on Google Play. It's free to download the .apk file of Nautical Almanac and you can check out users' reviews on Droid Informer. This application installation package requires 1 MB of free space to work fine on Android 4.0.3 and higher.
As users see it, the benefit of the app is a clean interface.