HomeAppsProductivityGateKeeper TridentApps like GateKeeper Trident Here are some great alternatives to GateKeeper Trident by Untethered Labs, Inc. : Safetrust Wallet ★4.0 Vault Master - Hide Photo ★4.5 SecureData Lock User ★3.4 EndpointLock ★4.1 Cryptomator ★3.8 Keeper Password Manager ★4.5 Lock Screen - Keypad Passcode ★4.2 AppLock - Protect Your Privacy ★3.2 AppLock PRO ★4.3 Pin Lock Screen ★4.0 AppLock Master ★4.4 AppLock ★4.2 Incoming Call Lock ★4.3 Master Lock Vault Home ★4.2 AppLock - Time Password ★4.1 App Lock - Preventing Intruder ★5.0