Photo Calc is the Vault app can secretly Hide Pictures, installed in your phone looks as just a regular calculator.Your files will be secretly stored in vault and can only be viewed after a Numeric PIN is entered on calculator panel of this app.
Also this Photo Locker can be used as regular calculator for daily use.
Hide Pictures : Click on Plus Button at the bottom of main screen and then select media from gallery and click lock button to hide into Photo Locker-Calculator app.
• Access Photo Locker by typing Numeric PIN on calculator panel of this app.
• Beautiful Themes for calculator and app lock screen.
• Easy to Manage, Delete Pictures in gallery vault.
• Amazing Inbuilt Image viewer with Slide show, Share option.
• Powerful and Instant Lock system to keep safe your private media.
• Latest Material Design with easy to use interface.
• Change PIN? Go to Settings tab and click on Change Password.
ENJOY !