Ninimaths is an application to train mental arithmetic ability.

- Selection from 5 modes of calculation, addition, subtraction, multiplication, division, mixing
- 1 to 5 digit numbers can be freely combined
- Corresponds to display in the column format
- Daily scores are recorded for each mode and displayed on the graph
- Ranking function by Game Center

What’s New

Version 3.2.0

Added Extra Mode.
In Extra Mode, the number of digits you can choose in addition and subtraction increases to a maximum of nine.

Ratings and Reviews

4.9 out of 5
13 Ratings

13 Ratings

189409848829 ,

Nice and Clean

Does what you want. Just enough control, challenge and feedback.

Only thing I’d add is a function to determine what your weaknesses are and focus on them within categories. Really minor difference, but for example I’m very slow at multiplying anything by 8s or 9s and could use more specific training.

Allen Frostline ,

The Best Mental Math Practicing Experience

For anyone who has an urgent need to train mental arithmetics: download this app. It’s customizable, ads-free and really as simple as you need for your training. GREAT JOB!

brighton the archer ,

The title says it all

Five stars. That’s it. Period.

App Privacy

The developer, Ninicode, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Collected

The developer does not collect any data from this app.

Privacy practices may vary, for example, based on the features you use or your age. Learn More


  • Game Center

    Challenge friends and check leaderboards and achievements.

  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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