Lock It: Calculator Vault — Android privacy vault

Lock It: Calculator Vault looks and works like an ordinary calculator, but when you type your secret equation and press =, it opens a private vault for your photos, notes, passwords, 2FA codes, messages and live calls. A working calculator that opens a private vault. Keep photos, notes, passwords and 2FA codes sealed, and message or call only the people you invite. Search "Lock It: Calculator Vault" on Google Play