# Trach vs Speed Math

The clearest difference is in-app purchases: Speed Math at none against Trach's 1. Speed Math also leads on iOS requirement (12.0 vs 16.0). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Trach sells 1 one-off in-app purchase. Speed Math asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.7 for Trach against 4.7 for Speed Math. Both are backed by a comparable volume of ratings — 12 and 16 respectively. Written reviews are what separate them: 93% of Trach's written reviews are positive against 92% of Speed Math's.

Trach ships an update every 2 weeks, Speed Math every 9 days. The most recent releases landed on October 6, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Trach | Speed Math |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (12 ratings)](https://appshunter.io/ios/app/trach-trachtenberg/id1502611431/reviews) | **[4.7 (16 ratings)](https://appshunter.io/ios/app/speed-math-human-calculator/id1540328708/reviews)** |
| Number of ratings | 12 | **16** |
| Positive reviews | **93.3% of reviews** | 91.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 9 days** |
| Monetization | Free | Free |
| Size | 6 MB | 34 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Giorgio Network, LLC](https://appshunter.io/developer/1502611430) | [Evgeny Rubin](https://appshunter.io/developer/1526679446) |

## What reviewers say

### Trach

[App page](https://appshunter.io/ios/app/trach-trachtenberg/id1502611431)

Master rapid mental math with this app, offering step-by-step tutorials and practice exercises for complex calculations. Learn and practice the Trachtenberg method to sharpen your number sense and multiply faster.

**Highlights:** Trachtenberg method tutorials, Practice exercises, Progress tracking, Mental math techniques, Rapid multiplication, Number sense development

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Multiply Tutorials | $4.99 | one-time |


### Speed Math

[App page](https://appshunter.io/ios/app/speed-math-human-calculator/id1540328708)

Enhance your mental arithmetic skills and become a human calculator. This app offers over 100 variants to practice addition, subtraction, multiplication, and division with adjustable difficulty and duration.

**Highlights:** Improve mental math speed, Practice arithmetic operations, Over 100 calculation variants, Adjustable difficulty, Time or task-based measurement

**In-app purchases:** none


## Frequently asked questions

### Is Trach free?

Trach is free to download, with in-app purchases available.

### Is Speed Math free?

Speed Math is free to download, with no in-app purchases.

### Which has better reviews, Trach or Speed Math?

Speed Math is rated higher. Trach averages 4.7 out of 5 from 12 ratings, while Speed Math averages 4.7 from 16 ratings.

### Do Trach or Speed Math have ads?

Neither Trach nor Speed Math shows ads.

### Which is updated more often, Trach or Speed Math?

Trach ships an update every 2 weeks, and Speed Math every 9 days. Most recently, Trach was updated on October 6, 2026 and Speed Math on October 11, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*