Apps like Vault 3 Outliner (Paid)

Here are some great alternatives to Vault 3 Outliner (Paid) by Eric Bergman-Terrell :
Calculator Lock: Gallery Vault
Calculator Lock: Gallery Vault
★4.4
File Vault - Hide your files
File Vault - Hide your files
★4.6
GoldKey Vault
GoldKey Vault
★3.6
Private Photo Vault
Private Photo Vault
★4.8
Safe Vault Launcher Theme
Safe Vault Launcher Theme
★4.6
Password Vault Lite
Password Vault Lite
★4.3
Veeva Vault
Veeva Vault
★3.7
Calculator - Vault Photo Video
Calculator - Vault Photo Video
★4.8
Photo Vault
Photo Vault
★4.5
Calculator - Photo Vault & Vid
Calculator - Photo Vault & Vid
★4.2
Hide Photos - Secure vault
Hide Photos - Secure vault
★4.1
UC Vault - Hide Photos, Videos
UC Vault - Hide Photos, Videos
★4.3
Password Vault
Password Vault
★3.9
Torch Vault- Hide Photo,video
Torch Vault- Hide Photo,video
★4.6
Calculator - photo vault
Calculator - photo vault
★4.9
Calculator My Lock Photo Vault
Calculator My Lock Photo Vault
★4.1