Disguised Vault / Calculator Apps
Detection
App icon appears as a generic calculator or utility, but opening it reveals a passcode prompt unlocking hidden photos, web browsers, or chats.
Fix (technical)
Require parent approval for ALL app downloads using Ask to Buy on iOS10 or Google Play Purchase Approvals on Android9. Inspect app storage size under (siehe ui_strings_ref).
Fix (relational)
Maintain an open, non-judgmental environment so children do not feel forced to hide personal digital content.
Residual risk
Disguised apps already downloaded before restrictions remain hidden unless manually audited.
Sources
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apple-mac-asktobuy
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google-family-play-en
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apple-support-105121-de