There are plenty of simple, free countdown timers for Windows; have a look at the small selection of tried and tested programs on the Lifehacker website.Another freeware program worth considering ...

For a short while last year, you could access a countdown timer directly via Google Search on the desktop. To do so, you just had to do the obvious, like type ‘set timer for 10 minutes’.

Android: We've discussed a few great timers for Android, but Ovo Timer caught our eye because it's simple to use, visually impressive, and perhaps most importantly, completely free.

Microsoft has started an ominous countdown timer on many Windows 7 and Windows 8 systems, highlighting the fact that upgrading for free to Windows 10 will no longer be possible from this Friday.

How to shut down your Windows PC using Airytec Switch Off. Under Select schedule, Countdown is selected by default, so no need to change that. Under Select action, you should see Shutdown by ...

Timer Minutes to Go is a free app that solves that problem by placing the minutes remaining in your timer in the badge on its home screen icon. There isn't much else to know beyond that.

Kaboom - App timer is available in the iOS App store for US$0.99. It's well worth the dollar to help you control your children's time in front of the screen. Limiting screen time is a challenge ...