Calculator Vault - Gallery Lock - Hide pictures, videos also lock apps secretly behind simple calculator. this is new idea to manage privacy in phone. Available in play store. https://play.google.com/store/apps/details? id=com.calculator.vault | Facebook
![07 December 2021, Baden-Wuerttemberg, Villingen-Schwenningen: The application App Calculator can be seen on the display of an iPhone SE. Photo: Silas Stein/dpa Stock Photo - Alamy 07 December 2021, Baden-Wuerttemberg, Villingen-Schwenningen: The application App Calculator can be seen on the display of an iPhone SE. Photo: Silas Stein/dpa Stock Photo - Alamy](https://c8.alamy.com/comp/2H9GHKB/07-december-2021-baden-wuerttemberg-villingen-schwenningen-the-application-app-calculator-can-be-seen-on-the-display-of-an-iphone-se-photo-silas-steindpa-2H9GHKB.jpg)