At the moment, Alarm Free is not available for direct download on a computer. However, you can use emulators to run it on PC. The downside is that using Alarm Free with an emulator might slow down your computer's performance.
Learn how to use Alarm Free on your computer in these 5 simple steps:
Alarm is a self-defence/emergency alarm application with a rapid-movement and free-fall detector. You can also touch the screen to give a warning. Not only a red screen blinking but also an alarm sound and a flash light are synchronized if the device has such functionalities. The Apple Watch app also blinks but it's limited for a few time only to save the battery.