Soroban Dojo
Mental math abacus training
0 ratings
Archived App (Last seen on 24 Oct 2026)
This is an archived listing of the app previously available on the App Store.Although the app is no longer distributed by Apple, you can still view its description, screenshots, version history, ratings, and metadata for reference.
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About
Learn soroban, the Japanese abacus, and train your mental math with short, progressive and motivating exercises.
Soroban Dojo turns arithmetic practice into a daily training loop: guided lessons, timed drills, level progression and duels to stay engaged.
Features:
• Step-by-step lessons to understand beads and columns
• Mental math exercises adapted to your level
• Training mode to improve every day
• Duels and challenges to test your speed
• Progression inspired by the Kyū/Dan system
• Clean, fast and distraction-free interface
Ideal for learning soroban basics, improving concentration and making mental calculation feel more natural.
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What's New in Soroban Dojo
1.0.1
July 22, 2026
New FR/EN support, localized startup, and improved iOS stability.
