This app was mentioned in 1 comment, with an average of 2.00 upvotes
Someone asked me for a link to the app.
Here's the free version https://play.google.com/store/apps/details?id=com.julian.apps.VibrationsAds
And the ad free version https://play.google.com/store/apps/details?id=com.julian.apps.VibrationsAds