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10,000 - 50,000 downloads
by Dan Sears on 08/06/2014
Won't let me answer more than 10 questions though.
by milton baretto on 23/10/2013
by Damir Gavric on 11/10/2013
Great app, but when it will be possible to buy full version for android?
by Iain Wharton on 28/05/2013
Good but you need to get full the the app
by Benjamin Kara on 28/04/2013
Best scuba app out there
by Nick Card on 10/04/2013
Only a handful of questions but great taster for the full version.
by Michael Ansaldi Jr on 09/04/2013
I use it with friends and with students. I use it all the time now.
by Sinead McAfee on 22/03/2013
Great content. Repetitive for better memorization. Great app.
by George Kelly on 20/12/2012
by omneya saleh on 15/12/2012
great app. i am an ex diver and i vote 5
by abdul rahman on 13/12/2012
Very nice. Thanks buddy