App Lock and Gallery Vault - Wish you could simply lock all your private apps on your smartphone with just a click?
KeepSafe - Keep your entire photo library safely stored in an encrypted private cloud.
AppLock (FOSS) - A privacy App lock FOSS application.
Stingle Photos - Stingle Photos is a secure photo/video encryption and backup application that provides strong security, privacy, encryption and safely saves your media on cloud storage keeping you safe from data breaches and leaks.
Hexlock - Security app locker keeps apps private with smart profiles for any situation
Photok - A safe place for your photos. It stores your photos encrypted on your device and hides them from others.