Privacy policy
Effective since October 29, 2026
This policy explains what data the game Ludo Deck uses, why, who it is shared with and how you can ask to see or delete it. It follows Brazil's General Data Protection Law (LGPD, Law 13,709/2018).
Summary: the game works without sign-up. Your progress stays on your phone. If you sign in with Google, it is also saved in the cloud. We use Google's Firebase to measure usage and receive error reports, and you can turn this off in Settings. Ads are served by Google AdMob. We do not sell your data.
1Who is responsible
Danillo Henrique Rodrigues Ltda, CNPJ 69.575.531/0001-09, which develops and publishes Ludo Deck. Privacy contact: ludocards.game@gmail.com.
2What data we use
| Data | When | Why |
|---|---|---|
| Game progress: nickname, chosen avatar, stats, coins, shop items, missions, level and settings | Always, stored on your phone | To run the game and remember what you have earned |
| Account identifier: a random code created by Firebase Authentication, with no name or email | When the game opens with internet access | To prepare cloud saving and matches with friends |
| Google account: name, email and account identifier | Only if you tap “Sign in with Google” | To save progress in the cloud and restore it on another device |
| Cloud progress: the same progress data (without settings), linked to your account | Only with a Google account connected | So you don't lose progress when you change or reinstall your device. Stored in Firebase Cloud Firestore, in São Paulo, Brazil |
| Usage data: matches started and finished (mode, result, duration), use of the tutorial, shop, chests and ads; device model, operating system, language, approximate country or region and an app instance identifier | If “Share usage data” is on (on by default, can be turned off in Settings) | To understand how the game is used and improve it (Firebase Analytics). This data is not used for ads |
| Error reports: what the app was doing when it crashed, device model, operating system and an app instance identifier | Same “Share usage data” option | To find and fix crashes (Firebase Crashlytics) |
| Ad data: device advertising identifier, IP address, device information and ad interactions | When an ad is loaded or shown | To show ads and measure their results (Google AdMob) |
| Purchases: confirmation that the purchase was made | If you buy “Remove ads” | To unlock what you bought. Payment is handled by Google Play or the App Store; we never receive your card details |
To check the date for daily chests and missions, the game also asks Google's servers for the current time. This request sends no data about you beyond the normal internet connection.
We do not ask for precise location, contacts, photos, camera or microphone.
3Legal basis
- Performance of the service you asked for (art. 7, V): progress, account, cloud saving and purchases.
- Legitimate interest (art. 7, IX): usage data and error reports, to keep the game working and improve it, with the option to turn them off at any time.
- Consent (art. 7, I): personalized ads, where the law requires it. In those places Google shows a choice form, which you can review in Settings, “Ad choices”.
4Ads
Ads are served by Google AdMob. They never appear during a match, and content is limited to Google's “parental guidance” (PG) rating: ads for teens or adults are not shown. We block sensitive categories such as gambling and dating. You can limit personalization or reset your advertising identifier in your phone's settings. Learn how Google uses data at policies.google.com/technologies/partner-sites.
5Who we share data with
We do not sell or rent your data. It is processed by companies that provide services to the game, each under its own policy:
- Google (Firebase, AdMob and Google Play): policies.google.com/privacy and firebase.google.com/support/privacy;
- Apple (App Store and, on iPhone, “Sign in with Apple”): apple.com/legal/privacy.
We may also share data when required by law or court order.
6International transfers
Cloud progress is stored in São Paulo, Brazil. Google services may process usage, error and ad data on servers outside Brazil, under the contractual safeguards provided by the LGPD.
7How long we keep data
- Progress on your phone: until you clear the app's data or uninstall it.
- Account and cloud progress: while the account exists. Deleting the account deletes them immediately.
- Usage data: up to 14 months. Error reports: up to 90 days.
- Ad data: according to Google's policy.
8Children
Ludo Deck is a game for a general audience and is not directed at children under 13. We do not knowingly collect data from children. If you are a parent or guardian and believe a child has sent us data, write to the contact above and we will delete it.
9Your rights
Under the LGPD you can ask for: confirmation that we process your data, access, correction, deletion, portability, information about sharing and withdrawal of consent. Write to ludocards.game@gmail.com and we will reply within 15 days. You may also complain to Brazil's National Data Protection Authority (ANPD).
10How to delete your data
- In the app: Profile, “Account” card, “Delete account”. This deletes your sign-in and cloud progress immediately.
- Without the app: see ludodeckgame.com/delete-account.
- Usage data: turn off “Share usage data” in Settings.
- Progress on your phone: clear the app's data in your phone's settings or uninstall the game.
11Security
Data travels encrypted. In the cloud, access rules ensure only your own account can read and write your progress.
12Changes to this policy
If this policy changes, the date at the top is updated. Important changes will also be announced in the app.