Data deletion

Delete your Lumi Diary data

Effective date: November 2, 2026

Lumi Diary has no user accounts and does not store your diary on our servers, so you are always in full control of deleting your data.

The English version below is the official, legally binding version.

App: Lumi Diary: Journal with Lock (com.lumidiary.journal) by Fighttech.

1. Delete data inside the App

  1. Open Lumi Diary and unlock it.
  2. Go to Settings → Data → Delete all data.
  3. Confirm. All entries, photos, videos, voice notes, drawings, moods, tags, reminders and lock settings are permanently erased from the device.

You can also delete single entries by opening an entry and tapping Delete.

2. Uninstall the App

Uninstalling Lumi Diary removes all data stored locally by the App on that device.

3. Delete cloud backups

4. Analytics, crash and advertising data

We do not link analytics or crash data to your identity or diary content. To reset identifiers, reset your advertising ID in your device settings. To request deletion of Firebase Analytics / Crashlytics data associated with your app installation, email us from the address below with the subject "Delete my Lumi Diary data"; include your device model and approximate install date. We will process the request within 30 days.

What is deleted and what is kept

DataDeletedRetention
Diary content on deviceImmediately via in-app delete or uninstallNot kept by us (never received)
Cloud backups (your Drive / iCloud)When you delete themControlled by you
Anonymous analyticsOn requestUp to 14 months, then auto-deleted
Crash reportsOn requestUp to 90 days, then auto-deleted
Purchase records—Kept by Google / Apple as required for billing and tax

Contact

trunghieu4121993@gmail.com