Privacy policy: Ingrained
Last updated 11 October 2026
Ingrained: Chess Tactics ("the app") is published by Brightfold ("we"). This policy explains what data the app handles, why, and the choices you have. Questions: ingrained@brightfoldapps.com.
What we collect, and why
| Data | Why | Where it is stored |
|---|---|---|
| Your progress: puzzle results and times, stars, coins, energy, settings | To run the app and keep your progress | Google Firebase (Firestore) |
| An account id, created automatically the first time you open the app, with no name or email | To link your progress to you | Google Firebase (Authentication) |
| Your email address and name, only if you choose to sign in with Google or Apple | So your progress follows you to a new device | Google Firebase (Authentication) |
| Friends, only if you use them (they need Google or Apple sign-in): the player name you choose, your friends list, friend requests, Rush challenges and their scores, players you block, and reports you send | So friends can find you, compare progress and challenge each other. Your friends see your player name, puzzle rating, Stage, streak and Rush bests; anyone who types your exact player name can send you a request | Google Firebase (Firestore) |
| Purchase history: your subscription or lifetime purchase | To give you Pro and restore it | RevenueCat, and Google Play or the App Store |
| Advertising data: advertising id, approximate location from your IP address, how you interact with ads (free version only) | To show ads and prevent ad fraud | Google AdMob |
| Crash reports: device model, operating system version, what went wrong, and your account id (the one above) | To fix bugs, and to match a crash to a message you send us | Sentry, for 30 days. No name, email address or IP address is stored |
We do not collect contacts, precise location, photos, or the microphone, and we never sell your data.
Ads and your consent
The free version shows ads from Google AdMob. In the European Economic Area, the UK and Switzerland, you are asked for consent before any ad is requested. You can change your choice at any time in Settings → Privacy choices. Without consent, ads are not personalised. On iPhone, the app asks for permission to track only if you have the free version, and declining changes nothing about how the app works. Pro has no ads. See how Google uses data from apps that use its services.
Service providers
- Google Firebase and Google AdMob: Google Privacy Policy
- RevenueCat: RevenueCat Privacy Policy
- Sentry: Sentry Privacy Policy
Some of these providers process data in the United States, under the European Commission's standard contractual clauses or the EU–US Data Privacy Framework.
How long we keep it
- Progress and account: until you delete your account. Accounts that were never signed in and have been inactive for 13 months may be deleted.
- Crash reports: 30 days.
- Purchase records: kept by Google, Apple and RevenueCat as the law requires for financial records.
Your rights
You can access, correct, export or delete your data, or object to how it is used. To delete everything, use Settings → Delete account in the app, or see how to delete your account. For anything else, email us. If you are in the EU or UK, you can also complain to your data protection authority.
Children
The app is intended for people aged 13 and over. If you believe a child under 13 has given us data, email us and we will delete it.
Changes
If we change this policy, we will update the date above, and tell you in the app if the change is significant.