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102 of 102 storefronts
Content in en-US
Content in en-US
Information
Preview 2 platforms
iPhone 4 images
iPad 4 images
What’s New Version 2.0.2
Bug fixes
Description
Trach is the ultimate app for learning and practicing the Trachtenberg method—a system of mental math techniques that make complex calculations quick and intuitive.
With step-by-step tutorials and practice exercises, you’ll develop a deep understanding of rapid multiplication, all while sharpening your number sense.
Why Trach?
- Learn the Trachtenberg method at your own pace
- Practice with problems of varying difficulty
- Track your progress and improve over time
- No ads, no distractions—just pure learning
Master calculations like 172413 × 11 in seconds. Whether you're a student, a math enthusiast, or just curious about mental math tricks, Trach makes learning effortless.
Download Trach today and start multiplying faster than ever.
Accessibility
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Version history 17 versions
Build 872307284v2.0.22025-02-07 07:33:41
Bug fixes
Build 855726021v2.0.12023-03-21 21:25:08
Bug fixes
Build 855396056v2.02023-03-08 21:34:16
Trach 2.0 is now available, built entirely in SwiftUI!
What's new:
- Complete codebase rewrite
- Fresh look and feel
- Improved performance
Build 854246291v1.4.12023-01-06 00:56:07
Bug fixes and performance improvements
Build 852557335v1.42022-10-07 16:58:29
Updated assets
Build 852070862v1.3.32022-09-09 16:11:28
- Bug fixes
Build 851486071v1.3.22022-08-30 23:00:10
- Minor bug fixes
Build 850744620v1.3.12022-07-10 22:11:02
- Minor bug fixes
Build 848617254v1.32022-04-29 05:44:06
- iOS 15 compatibility updates
- UI improvements
- Bug fixes
Build 835802799v1.2.12020-05-03 22:15:58
- Bug fixes
Build 835496720v1.22020-04-30 10:05:03
Introducing squares!
- New tutorials
- UI improvements
- Bug fixes
Build 835415553v1.12020-04-09 23:20:09
- Added all multiplication tutorials
- Added new features
- Improved UI
- Bug fixes
Build 835412143v1.0.42020-04-05 00:24:25
- Minor bug fixes
Build 835333699v1.0.32020-03-31 16:10:14
- Improved UI
- Bug fixes
Build 835284690v1.0.22020-03-27 09:52:26
- Improved tutorials
- Minor bug fixes
Build 835133970v1.0.12020-03-17 20:05:22
- Added onboarding tips
- Minor bug fixes
Build 835094429v1.02020-03-15 20:49:40
No pricing data captured yet — comparisons appear once the app has paid storefronts or in-app purchases.
Availability 102 of 102 storefronts
| Region | Language | Price | Ratings | Avg | Version |
|---|---|---|---|---|---|
| US | en-US | Free | 13 | 4.7 | 2.0.2 |
| GB | en-GB | Free | 10 | 4.7 | 2.0.2 |
| AU | en-AU | Free | 3 | 3.3 | 2.0.2 |
| CA | en-CA | Free | 2 | 4.5 | 2.0.2 |
| CH | de-CH | Free | 2 | 5.0 | 2.0.2 |
| DE | de-DE | Free | 2 | 3.5 | 2.0.2 |
| FR | fr-FR | Free | 2 | 4.5 | 2.0.2 |
| PL | en-GB | Free | 2 | 5.0 | 2.0.2 |
| BE | en-GB | Free | 1 | 1.0 | 2.0.2 |
| BR | pt-BR | Free | 1 | 4.0 | 2.0.2 |
| ES | es-ES | Free | 1 | 5.0 | 2.0.2 |
| GH | en-GB | Free | 1 | 5.0 | 2.0.2 |
| MX | es-MX | Free | 1 | 5.0 | 2.0.2 |
| NO | en-GB | Free | 1 | 5.0 | 2.0.2 |
| AG | en-GB | Free | 0 | — | 2.0.2 |
| AI | en-GB | Free | 0 | — | 2.0.2 |
| AO | en-GB | Free | 0 | — | 2.0.2 |
| AR | es-MX | Free | 0 | — | 2.0.2 |
| AT | de-DE | Free | 0 | — | 2.0.2 |
| BB | en-GB | Free | 0 | — | 2.0.2 |
| BF | en-GB | Free | 0 | — | 2.0.2 |
| BJ | en-GB | Free | 0 | — | 2.0.2 |
| BO | es-MX | Free | 0 | — | 2.0.2 |
| BS | en-GB | Free | 0 | — | 2.0.2 |
| BW | en-GB | Free | 0 | — | 2.0.2 |
| BZ | en-GB | Free | 0 | — | 2.0.2 |
| CD | en-GB | Free | 0 | — | 2.0.2 |
| CG | en-GB | Free | 0 | — | 2.0.2 |
| CI | fr-FR | Free | 0 | — | 2.0.2 |
| CL | es-MX | Free | 0 | — | 2.0.2 |
| CM | fr-FR | Free | 0 | — | 2.0.2 |
| CO | es-MX | Free | 0 | — | 2.0.2 |
| CR | es-MX | Free | 0 | — | 2.0.2 |
| CV | en-GB | Free | 0 | — | 2.0.2 |
| CZ | en-GB | Free | 0 | — | 2.0.2 |
| DK | en-GB | Free | 0 | — | 2.0.2 |
| DM | en-GB | Free | 0 | — | 2.0.2 |
| DO | es-MX | Free | 0 | — | 2.0.2 |
| DZ | en-GB | Free | 0 | — | 2.0.2 |
| EC | es-MX | Free | 0 | — | 2.0.2 |
| FI | en-GB | Free | 0 | — | 2.0.2 |
| GA | fr-FR | Free | 0 | — | 2.0.2 |
| GD | en-GB | Free | 0 | — | 2.0.2 |
| GM | en-GB | Free | 0 | — | 2.0.2 |
| GR | en-GB | Free | 0 | — | 2.0.2 |
| GT | es-MX | Free | 0 | — | 2.0.2 |
| GW | en-GB | Free | 0 | — | 2.0.2 |
| GY | en-GB | Free | 0 | — | 2.0.2 |
| HN | es-MX | Free | 0 | — | 2.0.2 |
| HU | en-GB | Free | 0 | — | 2.0.2 |
| IE | en-GB | Free | 0 | — | 2.0.2 |
| IS | en-GB | Free | 0 | — | 2.0.2 |
| IT | it | Free | 0 | — | 2.0.2 |
| JM | en-GB | Free | 0 | — | 2.0.2 |
| KE | en-GB | Free | 0 | — | 2.0.2 |
| KN | en-GB | Free | 0 | — | 2.0.2 |
| KY | en-GB | Free | 0 | — | 2.0.2 |
| LC | en-GB | Free | 0 | — | 2.0.2 |
| LR | en-GB | Free | 0 | — | 2.0.2 |
| LU | en-GB | Free | 0 | — | 2.0.2 |
| LY | en-GB | Free | 0 | — | 2.0.2 |
| MA | en-GB | Free | 0 | — | 2.0.2 |
| ME | en-GB | Free | 0 | — | 2.0.2 |
| MG | en-GB | Free | 0 | — | 2.0.2 |
| ML | en-GB | Free | 0 | — | 2.0.2 |
| MS | en-GB | Free | 0 | — | 2.0.2 |
| MU | en-GB | Free | 0 | — | 2.0.2 |
| MW | en-GB | Free | 0 | — | 2.0.2 |
| MZ | en-GB | Free | 0 | — | 2.0.2 |
| NA | en-GB | Free | 0 | — | 2.0.2 |
| NE | en-GB | Free | 0 | — | 2.0.2 |
| NG | en-GB | Free | 0 | — | 2.0.2 |
| NI | es-MX | Free | 0 | — | 2.0.2 |
| NL | nl | Free | 0 | — | 2.0.2 |
| NZ | en-AU | Free | 0 | — | 2.0.2 |
| PA | es-MX | Free | 0 | — | 2.0.2 |
| PE | es-MX | Free | 0 | — | 2.0.2 |
| PT | pt-PT | Free | 0 | — | 2.0.2 |
| PY | es-MX | Free | 0 | — | 2.0.2 |
| RO | en-GB | Free | 0 | — | 2.0.2 |
| RW | en-GB | Free | 0 | — | 2.0.2 |
| SC | en-GB | Free | 0 | — | 2.0.2 |
| SE | sv | Free | 0 | — | 2.0.2 |
| SK | en-GB | Free | 0 | — | 2.0.2 |
| SL | en-GB | Free | 0 | — | 2.0.2 |
| SN | en-GB | Free | 0 | — | 2.0.2 |
| SR | en-GB | Free | 0 | — | 2.0.2 |
| ST | en-GB | Free | 0 | — | 2.0.2 |
| SV | es-MX | Free | 0 | — | 2.0.2 |
| SZ | en-GB | Free | 0 | — | 2.0.2 |
| TC | en-GB | Free | 0 | — | 2.0.2 |
| TD | en-GB | Free | 0 | — | 2.0.2 |
| TN | en-GB | Free | 0 | — | 2.0.2 |
| TT | en-GB | Free | 0 | — | 2.0.2 |
| TZ | en-GB | Free | 0 | — | 2.0.2 |
| UG | en-GB | Free | 0 | — | 2.0.2 |
| UY | en-GB | Free | 0 | — | 2.0.2 |
| VC | en-GB | Free | 0 | — | 2.0.2 |
| VE | es-MX | Free | 0 | — | 2.0.2 |
| VG | en-GB | Free | 0 | — | 2.0.2 |
| ZM | en-GB | Free | 0 | — | 2.0.2 |
| ZW | en-GB | Free | 0 | — | 2.0.2 |
Change log 21 changes · BB
✎
releaseNotes updated
Bug fixes
✎
description updated
Trach is the ultimate app for learning and practicing the Trachtenberg method—a system of mental math techniques that make complex calculations quick and intuit
✎
subtitle updated
Math Challenge
✎
name updated
Trach - Trachtenberg
◆
Version 2.0.2 released
Bug fixes
◆
Version 2.0.1 released
Bug fixes
◆
Version 2.0 released
Trach 2.0 is now available, built entirely in SwiftUI!
What's new:
- Complete codebase rewrite
- Fresh look and feel
- Improved performance
◆
Version 1.4.1 released
Bug fixes and performance improvements
◆
Version 1.4 released
Updated assets
◆
Version 1.3.3 released
- Bug fixes
◆
Version 1.3.2 released
- Minor bug fixes
◆
Version 1.3.1 released
- Minor bug fixes
◆
Version 1.3 released
- iOS 15 compatibility updates
- UI improvements
- Bug fixes
◆
Version 1.2.1 released
- Bug fixes
◆
Version 1.2 released
Introducing squares!
- New tutorials
- UI improvements
- Bug fixes
◆
Version 1.1 released
- Added all multiplication tutorials
- Added new features
- Improved UI
- Bug fixes
◆
Version 1.0.4 released
- Minor bug fixes
◆
Version 1.0.3 released
- Improved UI
- Bug fixes
◆
Version 1.0.2 released
- Improved tutorials
- Minor bug fixes
◆
Version 1.0.1 released
- Added onboarding tips
- Minor bug fixes
◆
Version 1.0 released