5,000 - 10,000 downloads
by David Young on 01/03/2014
by Raul oroian on 04/09/2013
by Bill Ward on 06/07/2013
by Mia wold on 06/06/2013
I am 12/13 years old and am learning PI. With this App I have so far, learned the first 70 numbers of PI
by Jamal Byrd on 30/05/2013
Sadly, this app now sends push notifications. An awful update to an otherwise useful and fun app. Do not download it unless you want advertisements sent to your phone's notification bar.
by Louis Essey on 27/05/2013
Ad push! No thanks! They can keep it. It was cool until the update.
by Dan Jackson on 02/05/2013
It just spams your phone with vibrating pop up ads, do NOT download. Awful update to such a simple app.
by Ivan Thomson on 27/04/2013
Permissions. This things wants permissions it should never request. If you plan on installing this app read the permissions it is requesting and ask yourself what the heck out needs all those for... It doesn't need all that just to train you in memori
by Ali AbuAlwaleed on 21/03/2013
by Yu Hua on 09/02/2013
Very addicting... would recommend it.
by Rhys Lloyd on 08/01/2013
When I got this app just after Christmas I new 200 decimal places and now I know 300
by A Google User on 18/08/2012
Before I knew pi to about 60 within 2 weeks I learnt pi to 100 decimal places. I love this app I would definitely recommend it.
by Kevin on 18/08/2012
by UV on 13/05/2012
Best on the market!
by Masha on 13/05/2012
My high score so far is 72, improving by the hour! :)