Not maintained
Needs updating and the training links are broken.
Good abacus bad English
The video is amazing but we need ENGLISH because we were hoping for videos in English so I suggest that u make them in all languages and we can pick wich one we want.
Great soroban teacher
As a beginner soroban user, I was able to quickly pickup the proper methods of using it from these step-by-step video instructions. This app has paid attention to detail by making the soroban responsive to multiple finger gestures as would be used on a real soroban. I really appreciate the obvious effort put into this app. Thank you!
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Meh
Not a sophisticated app. The "How To" and "Study" features consists of watching crappy YouTube videos on using an abacus that you could look up yourself without the app. "Challenge" is a practice feature with a timer that is WAY too fast. Incidentally, the challenge levels go from Beginner to level 10, 9, 8, 7, 6, 5, 4, and the highest level: 3. I don't know why.
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Not in English
The first lessons seem to be by a young girl with bad English skills . Following lessons are in an Asian language so they are useless . The app. help site is also written in an Asian language so it too is of no help . DON'T BUY THIS APP.
