Neg Multiply – Brain Training
Katsuhiko Yao Education iPhoneiPadiPod touch
Neg Multiply – Brain Training is a free Education app for iPhone and iPad by Katsuhiko Yao. Requires iOS 16.6. Updated June 23, 2026.
- Price
- Free
- on the App Store
- Size
- 32 MB
- Age 4+
- Updated
- Jun 23
- 2026 · v2.0.3
Screenshots
About Neg Multiply – Brain Training
Master negative multiplication in just 1 minute a day Train your brain with fast and addictive math challenges Find the right pairs and hit the target number! A math training app developed by a professional teacher QuickMath Series Boost your calculation skills and logical thinking in just a short time Math × Brain Training Series Find number pairs and reach the target value! In this app, you can train multiplication using negative numbers. For example: (−2) × (−4) = 8 (−4) × (+5) = −20 Find the correct pairs from combinations of positive and negative numbers to match the target value. Learn while playing: • Understand negative numbers • Improve mental math skills • Increase calculation speed Suitable for a wide range of learners, from advanced elementary students to middle school math practice. QuickMath Series • SumX – number pair puzzle • SumXMinus – negative number training • Common Divisor – divisor brain training • Exponent – power calculation challenge
What’s new
Version 2.0.3 · Updated June 23, 2026
Improved the Result View layout on certain tablet devices, including the iPad Air 11-inch. * Fixed layout issues on the result screen * Improved visibility of scores and buttons * Enhanced overall user experience
Play today's Queens puzzle
One queen in every row, column and color. A free daily puzzle from Fiplay, same board for everyone. It plays right here, no download.
App privacy
The developer, Katsuhiko Yao, reported these privacy practices to Apple.
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Usage Data: Product Interaction, Advertising Data, Other Usage Data
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Usage Data: Advertising Data, Product Interaction, Other Usage Data
- Location: Coarse Location
- Diagnostics: Crash Data, Performance Data, Other Diagnostic Data
- User Content: Photos or Videos
- Contact Info: Email Address
- Identifiers: User ID, Device ID
Used for: Third-Party Advertising, Analytics, Product Personalization, App Functionality
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Neg Multiply – Brain Training | – | Free | June 23, 2026 | |
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| Writing Order Kanji 4th. | 4.0 / 5 (1) | Free | Aug 3, 2026 | Compare |
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| Writing Order Kanji 2nd. | 4.0 / 5 (1) | Free | Aug 1, 2026 | Compare |
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