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Account deletion
The current version does not create a YSFMARK account or a cloud profile. There is no account to close. You can still delete local data or ask us to delete support correspondence.
Delete information on your device
Use the app’s local progress-clearing controls to remove learning progress, attempts, bookmarks, and saved sessions. Local content reports can be deleted separately. To remove all local application data, use the operating-system storage controls below.
Android: open Settings → Apps → the app → Storage → Clear storage/data. Menu names vary by device. Uninstalling also removes the active local installation; a later restore from a system backup may bring some data back.
iPhone/iPad: use Settings → General → iPhone/iPad Storage → the app → Delete App. Offload App keeps its documents and data. These instructions apply where an iOS version is installed.
Device backups
Your operating system may keep an app backup or transfer app data between devices, depending on its settings. Local deletion does not automatically remove an existing device backup. Manage those copies through your Android/Google or Apple/iCloud backup settings. We do not have access to your personal device backup.
Delete support correspondence
Email ysfmark@gmail.com with the subject “Data deletion — Aystead Drive” from the address used to contact us. Tell us which correspondence you want removed. We aim to respond within 30 days and will explain any information we must retain for a legal obligation or an unresolved dispute. We request only what is necessary to identify your request; do not send identity documents unless a proportionate verification process is explained to you.