Effective 25 August 2026 · App version 1.2+
Privacy Policy
Foldmetry trains spatial reasoning without building a personal profile about you. Training stays on your device. The app uses privacy-friendly anonymous analytics and does not track you across apps or websites.
Short version
No account, no ads, no cross-app tracking. Answers and progress stay on the device. Optional TelemetryDeck analytics can be turned off in Settings. Apple processes purchases.
Information handled by the app
| Information | How it is handled |
|---|---|
| Training progress, answers, streaks, history, and settings | Stored locally. Foldmetry does not upload this information. |
| Account or profile information | Not requested. There is no user-account system. |
| Anonymous product analytics | When enabled, a hashed app-specific identifier, feature events, and coarse session metadata go to TelemetryDeck. Training answers and payment details are not included. |
| Advertising identifiers | Not used. No advertising SDK. No App Tracking Transparency request. |
| Purchase status | Apple processes payment. StoreKit entitlements unlock Pro on device. |
Analytics
TelemetryDeck (TelemetryDeck GmbH, Augsburg, Germany) states that it does not store IP addresses. Events may include onboarding completion, session start/complete/abandon, paywall views, and coarse bands for counts, accuracy, and duration—not question content. See TelemetryDeck’s privacy policy.
Website
This site is static. It has no behavioral analytics, advertising pixels, or cross-site tracking cookies. The host may log IP address, time, and requested path to serve pages and prevent abuse.
Contact
简要说明
折维不创建账户、不展示广告、不跨应用跟踪。训练答案与进度仅保存在设备本地。可选的匿名统计使用 TelemetryDeck，可在设置中关闭。购买由 Apple 处理。