Privacy Policy
Effective 8 October 2026
In short
The developer of Good Eye does not collect, store on a server, sell or share any personal data. There are no accounts to create, no ads, and no analytics or trackers of the developer's own, and the app never asks for access to things like your location, camera or contacts. The one thing the game sends over the internet is your score at the end of a run, to the Google Play Games leaderboard, and only if you chose to sign in to Google Play Games from the game's results screen. Google Play Games then also sends Google some diagnostic data of its own; see Deleting your data.
What stays on your device
To remember your settings and progress between sessions, the game saves a few values in the app's storage on your own device:
- your unit choice (millimetres or inches) and your language,
- your screen calibration (pixels per millimetre),
- your best scores, your daily challenge results, your statistics (how far off each guess was) and your last answer, so the next round starts from it,
- whether Good Eye Pro is unlocked on this device.
These values never leave your device. You can delete them at any time by clearing the app's storage or uninstalling the app.
To start players in the United States and the United Kingdom in inches, the app reads the country code of your SIM card or mobile network (for example "us"). It is used on your device for that one choice and is never sent anywhere. Reading it needs no permission.
Leaderboard (Google Play Games)
Signing in is optional: the game offers it on the results screen and starts Google Play Games only if you accept. Once you are signed in, the score of each finished run is sent to a Good Eye leaderboard run by Google, which keeps your best one. The game then asks Google where your best score stands among all players and shows it as a percentage. Google handles this under its own terms and privacy policy; who can see your Play Games profile and scores is set in your Play Games settings.
The developer can see the leaderboard in Google Play Console, under your Play Games name, but receives no other information about you. You can delete your Play Games data, including your scores, from your Play Games profile or at myaccount.google.com. If you do not use Google Play Games, nothing is sent.
Deleting your data
The developer of Good Eye (FredDelacroix) keeps no data about you, so there is nothing to delete on the developer's side. Your Good Eye data is in two places, and you can delete it yourself:
- On your phone. Open Settings → Apps → Good Eye → Storage and tap Clear storage, or uninstall the app. This deletes your settings, calibration, scores, daily results and statistics straight away. A Good Eye Pro purchase stays with your Google account, so Pro comes back if you install the game again.
- At Google, if you used the leaderboard. Google Play Games keeps your Play Games name, player ID and Good Eye scores, and the Play Games software sends Google some diagnostic data. To delete them, open the Google Play Store app, tap your profile icon, then Settings → General → Play Games profile → Privacy and settings → Delete profile and game data, and under "Delete individual game data" delete Good Eye. Your scores leave the leaderboard. Google keeps or deletes any remaining data as its privacy policy describes. See Google's instructions.
If you need help, write to freddelacroix@pm.me.
Purchases
Good Eye Pro and tips are sold through Google Play. Google handles the payment under its own terms and privacy policy. The developer receives no payment details from it; the app only receives Google's confirmation that a purchase is valid, and keeps it on your device.
A coupon code you type in the app is checked on your device or against the offers in Google Play. It is not sent to the developer.
To sell through Google Play, the app includes Google's Play Billing library, which talks to the Google Play Store app on your phone. Google may receive technical data from it under Google's privacy policy.
This website
This page is served by Vercel Inc. Like any web server, it may process technical data such as your IP address and request times, briefly and only to deliver the page and keep the service secure. See Vercel's privacy policy.
Children
Good Eye is suitable for all ages. The developer collects no information from anyone, including children; the leaderboard works only through a player's own Google Play Games account.
Changes
If this policy changes, the new version will be published on this page with a new effective date.
Contact
Questions about this policy: freddelacroix@pm.me