Soroban Abacus Dojo
Abacus & mental math training
$0.49 · Designed for iPad. Not verified for macOS.
A real finger-flick abacus plus mental math training. Flash anzan, column addition, read-aloud, exams, and records. No ads, one-time purchase.
A real abacus you flick with your finger. The beads click into place right on screen. From basic practice to mental math training, you can keep it all going in one place.
The menu is laid out like a dojo.
- Abacus practice: flick beads freely on a 13-rod board
- Flash anzan: add up numbers that flash one after another
- Column addition: work through stacked numbers
- Read-aloud: solve along with the spoken calls
- Grading exams: take on 10 questions and rank up
- Records: track your streak and accuracy on a graph
Problems adjust to your level, from beginner up to advanced ranks. Every day of practice stays in your record.
No ads. No network. One-time purchase. Available in English and Japanese.
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The developer, satoshi amasaki, 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.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- satoshi amasaki
- Size
- 953.3 KB
- Category
- Education
- Compatibility
Requires iOS 16.0 or later.
- iPhone
Requires iOS 16.0 or later. - iPad
Requires iPadOS 16.0 or later. - Mac
Requires macOS 13.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English and Japanese
- Age Rating
4+
- 4+
- Copyright
- © 2026 tokyonasu
