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Apple ID6753171585
Bundle IDcom.kobbokkom.abacussimpleanzan
SellerSeller
Min iOS13.0
Device familiesmac, iphone, ipad, ipod
Released2025-10-08
Copyright© 2025 Kobbokkom Company
Privacy policyLink ↗
Preview 3 platforms
iPhone 7 images
iPad 9 images
Mac 7 images
What’s New Version 5.0.16
- Updated answer font options with predictable numeric fonts.
- Removed the System font option; older selections now safely use Gamja Flower.
Description
Abacus Flash Mental Math Training
The best flash mental math app to improve your calculation skills anytime, anywhere! Start practicing immediately with default settings or customize everything to your preference.
Ideal for mental math competition prep, brain training, and improving math skills. 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 Math
• Built-in difficulty adjustment algorithm prevents problems from becoming too easy
• Subtraction problems are designed so answers never go negative
• Division problems always result in whole numbers
• Optimized for flash training, similar to abacus competition programs
Convenient Customization
• 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 color support
• Presets: save and load your favorite 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 math schools
• Students learning abacus/mental math
• Adults seeking brain training
• All ages wanting to improve math skills
• Those wanting to develop concentration and calculation abilities
Experience amazing improvement in mental math skills with just a few minutes of practice daily!
Accessibility
ipadiphonemacrealityDevicetvoswatch
Version history 20 versions
Build 886311777v5.0.162026-06-02 12:29:26
- Updated answer font options with predictable numeric fonts.
- Removed the System font option; older selections now safely use Gamja Flower.
Build 885350983v5.0.142026-05-07 10:13:18
- Rolled back the audio engine to the stable Soloud 3 release.
- Improved beep playback reliability during practice.
- Reduced sound initialization issues after the recent audio update.
Build 885379802v5.0.152026-05-07 15:39:37
- Updated answer font options with predictable numeric fonts.
- Removed the System font option; older selections now safely use Gamja Flower.
Build 885336380v5.0.132026-05-06 17:54:46
- Added an answer font option for clearer numbers.
- Improved preset saving guidance and language selector flag display.
- UI polish and stability improvements.
Build 883952709v5.0.122026-04-01 14:54:16
- Bug fixes and performance improvements
Build 883711297v5.0.112026-03-25 11:25:05
- Bug fixes and performance improvements
Build 882589332v5.0.102026-02-27 16:21:22
- Improved multiplication settings icons for easier digit distinction
- Fixed icon display in help modal
- Tutorial improvements
Build 882266525v5.0.92026-02-18 17:45:43
- Fixed sound to play even in vibrate mode
- Fixed macOS sound not playing bug
- UX/UI improvements
Build 880862785v4.3.22025-12-22 13:29:06
- Added multiplication number order setting
- Updated app name
Build 880748860v4.2.122025-12-17 22:32:28
- Improved app stability
Build 880203828v4.2.112025-12-01 19:36:04
- Fixed app name localization on macOS App Store
Build 880102844v4.2.72025-11-27 02:38:59
- Added support for 69 languages
- Improved digit shuffle algorithm
Build 880072058v4.2.52025-11-26 00:52:46
- Theme color picker now closes automatically when selecting custom color
Build 879970707v4.2.22025-11-22 16:57:40
- Theme color picker now closes automatically when selecting custom color
Build 879936478v1.022025-11-20 21:21:21
- Added theme color customization
- Added cancel button for multiplication mode during calculation
- Improved UI elements and settings layout for better usability
Build 879314296v1.012025-10-30 07:57:43
- Fixed incorrect setting descriptions in multiplication/division mode
Build 879227247v1.2.02025-10-28 15:09:31
- Fixed an issue where rapid clicking in Burning Mode caused multiple calculations to run simultaneously
- Fixed memory leaks and crashes that occurred when switching tabs during calculations
- Improved stability of auto-repeat execution in Burning Mode
- Added app info button in Settings to view version and support information
- Fixed an issue where button labels did not update in real-time when changing language
Build 878829668v1.1.12025-10-12 11:10:55
- Improved header icon alignment on settings pages for consistent display across all devices
Build 878805237v1.12025-10-10 08:24:01
- Fixed number container font
- Added theme selection
- Improved text alignment for negative value
Build 878531854v1.02025-10-07 00:27:29
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Availability 1 of 1 storefronts
| Region | Language | Price | Ratings | Avg | Version |
|---|---|---|---|---|---|
| US | en-US | USD 2.99 | 1 | 5.0 | 5.0.16 |
Change log 24 changes · US
✎
releaseNotes updated
- Updated answer font options with predictable numeric fonts.
- Removed the System font option; older selections now safely use Gamja Flower.
✎
description updated
Abacus Flash Mental Math Training
The best flash mental math app to improve your calculation skills anytime, anywhere! Start practicing immediately with defaul
✎
subtitle updated
Fast & Easy Mental Math Drill
✎
name updated
Abaco - Flash Mental Math
◆
Version 5.0.16 released
- Updated answer font options with predictable numeric fonts.
- Removed the System font option; older selections now safely use Gamja Flower.
◆
Version 5.0.15 released
- Updated answer font options with predictable numeric fonts.
- Removed the System font option; older selections now safely use Gamja Flower.
◆
Version 5.0.14 released
- Rolled back the audio engine to the stable Soloud 3 release.
- Improved beep playback reliability during practice.
- Reduced sound initialization issues after the recent audio update.
◆
Version 5.0.13 released
- Added an answer font option for clearer numbers.
- Improved preset saving guidance and language selector flag display.
- UI polish and stability improvements.
◆
Version 5.0.12 released
- Bug fixes and performance improvements
◆
Version 5.0.11 released
- Bug fixes and performance improvements
◆
Version 5.0.10 released
- Improved multiplication settings icons for easier digit distinction
- Fixed icon display in help modal
- Tutorial improvements
◆
Version 5.0.9 released
- Fixed sound to play even in vibrate mode
- Fixed macOS sound not playing bug
- UX/UI improvements
◆
Version 4.3.2 released
- Added multiplication number order setting
- Updated app name
◆
Version 4.2.12 released
- Improved app stability
◆
Version 4.2.11 released
- Fixed app name localization on macOS App Store
◆
Version 4.2.7 released
- Added support for 69 languages
- Improved digit shuffle algorithm
◆
Version 4.2.5 released
- Theme color picker now closes automatically when selecting custom color
◆
Version 4.2.2 released
- Theme color picker now closes automatically when selecting custom color
◆
Version 1.02 released
- Added theme color customization
- Added cancel button for multiplication mode during calculation
- Improved UI elements and settings layout for better usability
◆
Version 1.01 released
- Fixed incorrect setting descriptions in multiplication/division mode
◆
Version 1.2.0 released
- Fixed an issue where rapid clicking in Burning Mode caused multiple calculations to run simultaneously
- Fixed memory leaks and crashes that occurred when switching tabs during calculations
- Improved stability of auto-repeat execution in
◆
Version 1.1.1 released
- Improved header icon alignment on settings pages for consistent display across all devices
◆
Version 1.1 released
- Fixed number container font
- Added theme selection
- Improved text alignment for negative value
◆
Version 1.0 released