Barebyte

EXACTLY ZERO Privacy Policy

Application: EXACTLY ZERO (com.ducnguyen.exactlyzero) · Developer: Barebyte · Platform: Android

Effective 17 October 2026 (version 0.1.1). Previous version: 15 October 2026.

The short version. EXACTLY ZERO is an offline puzzle game. It does not collect, transmit, sell or share personal information with Barebyte or with anyone else. The released build does not request Android's INTERNET permission, so it has no way to send anything anywhere.

What data we access, collect, use and share

None. Barebyte does not access, collect, use, sell or share any personal information through EXACTLY ZERO. There is no account system, no sign-in, no user profile, no advertising identifier, no advertising, no analytics, no attribution SDK, no crash-reporting SDK, no in-app purchases and no server of any kind.

The released build is compiled without the INTERNET permission. That is a property of the application package itself: the operating system will not let EXACTLY ZERO open a network connection.

The update check

From version 0.1.1, when EXACTLY ZERO starts or comes back to the screen it asks the Google Play Store app on your phone whether a newer version of EXACTLY ZERO is waiting, using Google's in-app update library, and if one is, shows Google Play's own update screen. EXACTLY ZERO itself still opens no network connection and has no INTERNET permission: the question goes to the Play Store app, which handles it under Google's privacy policy. EXACTLY ZERO receives back only whether an update is available and its version number, keeps nothing, and sends nothing to Barebyte.

What EXACTLY ZERO stores

Three settings, on your device, and nothing about you: which levels you have solved (so the level list can mark them and you keep your progress), and from version 0.1.1 whether you have finished or skipped the tutorial and whether sound is on or off. They are kept in the app's private storage (Android's app preferences). They contain no name, no identifier, no time and no score, and EXACTLY ZERO never sends them anywhere.

If you have turned on Android's own device backup, Android may include the app's private storage in that backup, under your Google account's settings and Google's privacy policy. Barebyte has no access to it. Clearing the app's storage or uninstalling the app deletes it from your device.

Permissions

EXACTLY ZERO requests no permission. The application package carries one self-scoped permission generated by the Android build tools for the app's own internal message passing; it grants nothing to any other app and nothing to us.

Retention and deletion

Because Barebyte holds no data about you, there is no account, server-side profile or backup of yours for us to delete, and no deletion request to make of us. Uninstalling EXACTLY ZERO removes it and its app-private files, including the solved levels and settings, from your device.

Security

There is nothing to breach: no server, no account database, no credentials, no transmission.

Children

EXACTLY ZERO does not knowingly collect personal information from anyone, of any age, because it collects no personal information at all. Its target audience and content rating are declared in Google Play Console by the developer account owner and shown on the store listing.

Google Play

You install EXACTLY ZERO through Google Play, which processes data under Google's own privacy policy as part of providing its store and testing programmes. Barebyte receives from Google only the aggregate statistics and voluntary feedback that Google Play Console provides to every developer.

This website

These pages are hosted on GitHub Pages. Like any web host, GitHub may process ordinary web-request metadata, such as your IP address and user agent, for delivery and security, under GitHub's own practices. EXACTLY ZERO itself does not open this page and sends nothing to Barebyte or to GitHub. These pages set no cookies and load no analytics or third-party scripts, fonts or images.

Changes to this policy

If EXACTLY ZERO's data practices ever change, this policy will be updated before a build carrying the changed practice is released, and the effective date above will change with it.

Privacy inquiries

Open a privacy inquiry (GitHub issue tracker for Barebyte's policy pages)

Please do not include personal information in a public issue. Barebyte does not need any personal data from you to answer a question about this policy.