Apps like GateKeeper Trident

Here are some great alternatives to GateKeeper Trident by Untethered Labs, Inc. :
Safetrust Wallet
Safetrust Wallet
★4.0
Vault Master - Hide Photo
Vault Master - Hide Photo
★4.5
SecureData Lock User
SecureData Lock User
★3.4
EndpointLock
EndpointLock
★4.1
Keeper Password Manager
Keeper Password Manager
★4.5
Cryptomator
Cryptomator
★3.8
AppLock PRO
AppLock PRO
★4.2
AppLock - Protect Your Privacy
AppLock - Protect Your Privacy
★3.2
Lock Apps - App Lock, Password
Lock Apps - App Lock, Password
★4.1
Pin Lock Screen
Pin Lock Screen
★4.2
AppLock Master
AppLock Master
★4.4
AppLock
AppLock
★4.2
Master Lock Vault Home
Master Lock Vault Home
★4.2
App lock - Fingerprint,Applock
App lock - Fingerprint,Applock
★4.6
Incoming Call Lock
Incoming Call Lock
★4.3
AppLock - Time Password
AppLock - Time Password
★4.1