AlterLock CycleGuardService

App for iOS(2.1.7) is now available!

The iOS version of the app (2.1.7) with the following updates was released on July 2, 2021.

  • The display of the device setting screen has been accelerated.
  • Improved detection sensitivity for AlterLock Gen2 devices.
    Fixed a problem where false positives could easily occur when the device was vertical. You will need to change the settings and reconfigure the device.
  • You can now see the positioning method (GPS/Wi-Fi) in the location history display.
  • Bluetooth connection process has been improved.

GPS positioning

Wi-Fi positioning

The device prioritizes Wi-Fi positioning and performs GPS positioning when Wi-Fi positioning is not available.


If you have not yet renewed your subscription, you can do so from the link below.

Download on the AppStore