Did I lock? Download

If you often think Did I lock the door? after you leave home, this app can be a help for your feeling of uncertainty!

Here is how it works:

- it is very simple Lock the door then Tap the app-

For example, fifteen minutes after you leave the house, if you start to think Did I lock the door?. Rather than run back home to check, simply look at your Lock Checker app.

`The check history you made in the app when you locked the door confirms its done. If there is no check-history, you better go back. Lock Checker just saved your day from disaster!` +

No need to check or re-check from today. No worries at all!,