ZeroBox guides
Short, checked answers about keeping photos and videos private on Android. Each guide says which version of the app it was checked against.
- Forgot your vault PIN or got a new phone?
What the recovery key does, how to move a vault to a new phone with no cloud, and what happens if you lose the phone.
- Is a vault app really encrypted, or does it just hide your photos?
The difference between hiding and encrypting, five questions to ask any vault app, and what encryption cannot protect.
- Locked Folder, Secure Folder or Private Space: do you need a vault app?
What each built-in tool does with your lock and backup, and where a vault app fits.
- How to check that an Android app has no internet access
Why the settings screen may not prove it, and a check you can run yourself on any app.
- Switching photo vault apps? Seven things to check before you move your photos
What to compare before you move your photos to another vault app, and the safe order for moving them.