Privacy Policy - Night Sky Constellation Finder

Publisher: Digital Shijil LLC. Contact: contact@digitalshijil.com. Published at https://apps.digitalshijil.com/offline-sky-map/privacy/

The short version. The app collects nothing about you. It has no account, no server of ours, no analytics, no advertising and no tracking, and it asks for no runtime permission at all. The places you save and the objects on your observing list stay on your phone, where we cannot see them.

Where you are. The sky depends on where you stand, so you tell the app: pick a city from the built-in list, choose a place you saved before, or type coordinates. The app never asks for your location and does not use GPS, Wi-Fi or mobile-network positioning. Only the place you picked is used, and only on the phone, to work out where the stars, planets and Moon are.

The compass and motion sensors. To make the sky follow your phone, the app reads the phone's orientation sensors while the sky is on screen. The readings are used to move the picture and are then discarded. They are not stored and not sent anywhere. Android needs no permission for these sensors, and the app also works without them: you can drag the sky with a finger. The magnetic-north correction comes from the model that ships inside Android and needs no network.

Your lists. Saved places, your observing list and your settings are stored in the app's private storage on the phone. Settings > Export my lists writes a spreadsheet file, and Settings > Back up to a file writes a backup, only to a place you choose in the system file dialog; Restore reads a backup only when you pick one. The app asks for no storage, photos, contacts, camera, microphone or location permission.

The home-screen widget. The optional Tonight widget (part of Sky Pro) is drawn on the phone from your chosen place and the clock. It does not load anything from the internet.

What Google collects. Sky Pro is bought through Google Play Billing (a yearly plan with a free trial, or a one-time purchase), and the optional review prompt uses Google Play's in-app review. Google handles those under its own privacy policy. The Play data safety form lists App info and performance > Diagnostics as collected by Google Play Billing, not shared by us, and required for purchases to work. The app itself sends nothing over the network and does not request the internet permission.

Your controls. Settings > Delete all data erases every saved place, the observing list and every setting and returns the app to a fresh install; a Sky Pro purchase stays with your Google account and can be restored. Uninstalling removes the data as well. If Android backup is on for your phone, the app database and settings can be part of your Google backup; turning backup off in Android settings stops that.

Data sources. The star, planet and deep-sky data inside the app come from public-domain astronomy catalogues and published formulas, listed under Settings > Data and licences. Nothing about you is mixed into them.

Children. The app is not designed for children under 13 and collects nothing from anyone.

Changes. If this policy changes, the new version is published at the address above with a new date. Last updated: 2026-11-07.

Questions: contact@digitalshijil.com