Do not waste time and money. Buy directly 4TOOLS HD.
Four applications in one: Bubble Level, Timer, Ruler, Torch.
This wonderful app will allow you to have all the major utilities, all included in one single application!!!
+ Bubble Level: You will measure if everything around you is flat.
+ Timer: Beautiful countdown application.
+ Ruler: Use your iPad as ruler. Fantastic Wallpapers.
+ Flashlight: Illuminate dark environments with the magnificent layout torch.
Well ... 4 Tools, all in only 1 great App.
Added a alert explaining how to exit from the ruler and torch (Just shake your iPad).
Ratings and Reviews
There is no Home button or anything. Once you get to the ruler, that's it, there is no way of getting back to the menu.
With Family Sharing set up, up to six family members can use this app.