Deleting Your Data

Stamp Identifier & Value (Android) | Identify My Stamps (iOS)
Developer: Viksva, MB

Last Updated: August 15, 2026

This page explains how to delete the data associated with your use of the app. No account or sign-up is required to use the app, so there is no "account" to delete — instead, this page covers each kind of data the app can hold and how to remove it. Deletion is available directly in the app and takes effect immediately; you never need to email us or wait for a manual process (though you are always welcome to contact us — see below).

1. What data exists

Local data (on your device): Your collection history, saved stamp images, albums, and preferences. Stored only on your device
Contributed data (on our servers, opt-in only): If you enabled "Contribute scan photos", sanitized front images of your stamp scans and their AI identification results. If you never enabled it, we store no images of yours
Identification reports (on our servers, pseudonymous): "Report a problem" reports you chose to submit. They contain no free text and no account or device identifier — only a one-way hash of your installation's anonymous sign-in, kept for exactly one reason: so that "Delete contributed data" and "Export my contributed data" can find your reports and nobody else's. Deleting contributed data deletes them too
Analytics and subscription data: Handled by Google Analytics, RevenueCat, and your app store — see the Privacy Policy

2. Delete local data

Individual stamps: Open the stamp from your collection → tap the delete action.

Everything local: Uninstall the app, or clear the app's storage in your device settings. Local data never leaves your device, so this removes it completely.

3. Delete contributed data and reports (server-side)

In the app:

Open Settings
Tap "Delete contributed data"
Confirm

This immediately and permanently deletes, from our servers: your contributed stamp photos and all derived image copies, the scan records stored with them, and your consent record's identifying details. It also turns off future contributions, and deletes the identification reports you filed.

There is no web form for this. Deletion runs from inside the app, because your contributions are linked only to the app's anonymous sign-in and to the deletion code the app showed you — we hold no email or account that a web page could verify. If you have uninstalled the app: reinstall it, open Settings → "Delete contributed data", and enter your saved deletion code (Section 3.1).

3.1 After reinstalling or switching devices — the deletion code

The app uses anonymous authentication, so reinstalling breaks the automatic link to contributions made from the earlier installation. For exactly this case, the app showed you a one-time deletion code when you opted in.

Open Settings → "Delete contributed data"
Enter your saved deletion code in the code field
Confirm

This deletes the earlier installation's contributions as well as any from the current one. The code is deletion-only — it cannot be used to view or download data. If you lost the code and no longer have the original installation, contact us (below) and we will help to the extent the data can still be linked to you.

4. Get a copy before deleting (optional)

Open Settings → "Export my contributed data" to download a complete ZIP copy (images + records) before deletion. Exports are deleted together with your data.

5. What is kept after deletion

An anonymized audit record confirming a deletion was performed (no images, no re-identifiable data), kept up to 24 months, then automatically removed
Aggregated, fully anonymized stamp facts that contain no link to you or your images
Data held by third parties under their own policies (Google Analytics, RevenueCat, app stores) — see the Privacy Policy for their opt-outs

Note: Images sent to Google Gemini AI during identification are processed transiently by Google under Google's own retention policies; those transient copies are not stored by us and cannot be deleted by us. Everything stored on OUR servers is covered by the in-app deletion above.

6. Contact

Data Controller: Viksva, MB
Location: Vilnius, Lithuania
Email: mbviksva@gmail.com

For deletion help, use the subject line "Data Deletion Request". We respond to verified requests within 30 days (usually much faster).