Supported Features
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Dark Interface
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Differentiate Without Colour Alone
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Sufficient Contrast
Abaco - Flash Mental Math
Fast & Easy Mental Maths Drill
USD 2.99
Abacus Flash Mental Maths Training
The best flash mental maths app to improve your calculation skills anytime, anywhere! Start practising immediately with default settings or customise everything to your preference.
Ideal for mental maths competition preparation, brain training and maths skill improvement. A proven app experienced by over 20,000 users!
Key Features:
Two Practice Modes
• Addition/Subtraction Mode: Step-by-step addition and subtraction practice
• Multiplication/Division Mode: Systematic multiplication and division mental training
Designed for Abacus Mental Maths
• Built-in difficulty adjustment algorithm prevents problems from becoming too easy
• Subtraction problems are designed so answers are never negative
• Division problems always yield whole numbers
• Optimised for flash training, similar to abacus competition programmes
Convenient Customisation
• Addition/Subtraction Mode: 1-8 digits, 2-200 problems
• Multiplication/Division Mode: 1-8 digits × 1-8 digits
• Speed control (0.1s-30s)
• Custom theme colour support
• Presets: save and load your favourite settings instantly
Multi-language Support
• 40+ languages: English, Korean, Japanese, Chinese, Spanish, German, French and more
• Intuitive interface for all languages
Recommended for:
• Teachers running abacus/mental maths schools
• Students learning abacus/mental arithmetic
• Adults seeking brain training
• All ages wanting to improve maths skills
• Those wanting to develop concentration and calculation abilities
Experience incredible improvement in mental maths skills with just a few minutes of daily practice!
Ratings & Reviews
- This app has not received enough ratings or reviews to display an overview.
- Updated answer font options with predictable numeric fonts.
- Removed the System font option; older selections now safely use Gamja Flower.
The developer, Jiwon Park, 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.
The developer indicated that this app supports the following accessibility features. Learn More
Information
- Seller
- Jiwon Park
- Size
- 44.1 MB
- Category
- Education
- Compatibility
Requires iOS 13.0 or later.
- iPhone
Requires iOS 13.0 or later. - iPad
Requires iPadOS 13.0 or later. - iPod touch
Requires iOS 13.0 or later. - Mac
Requires macOS 10.15 or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
English and 34 more
- English, Arabic, Burmese, Catalan, Croatian, Czech, Danish, Dutch, Finnish, French, German, Greek, Hebrew, Hindi, Hungarian, Indonesian, Italian, Japanese, Korean, Malay, Norwegian Bokmål, Polish, Portuguese, Romanian, Russian, Simplified Chinese, Slovak, Spanish, Swedish, Thai, Traditional Chinese, Turkish, Ukrainian, Uzbek, Vietnamese
- Age Rating
4+
- 4+
- Copyright
- © 2025 Kobbokkom Company
