# MathMaster vs Trachtenberg Kids

The clearest difference is in-app purchases: MathMaster at none against Trachtenberg Kids's 2. MathMaster also leads on iOS requirement (14.0 vs 16.4). Trachtenberg Kids's advantage is ads (none vs shown) and update cadence (every 10 days vs every 6 weeks). On price and device support there is nothing between them.

Both are free to download. Trachtenberg Kids sells 2 in-app purchases, starting at $9.99 per month. MathMaster asks for nothing beyond the download.

MathMaster ships an update every 6 weeks, Trachtenberg Kids every 10 days. The most recent releases landed on October 15, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | MathMaster | Trachtenberg Kids |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Every 10 days** |
| Size | 40 MB | 49 MB |
| Requires iOS | **14.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [mucahit tekbas](https://appshunter.io/developer/1896075975) | [Hayde Tech Ltd](https://appshunter.io/developer/1856967495) |

## What reviewers say

### MathMaster

[App page](https://appshunter.io/ios/app/mathmaster-mental-math/id6765790723)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Trachtenberg Kids

[App page](https://appshunter.io/ios/app/trachtenberg-kids-mental-math/id6775289064)

**Features:** Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium - Monthly | $9.99 | per month |
| Premium - Yearly | $79.99 | per year |


## Frequently asked questions

### Is MathMaster free?

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

### Is Trachtenberg Kids free?

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

### Do MathMaster or Trachtenberg Kids have ads?

MathMaster shows ads; Trachtenberg Kids does not.

### Which is updated more often, MathMaster or Trachtenberg Kids?

MathMaster ships an update every 6 weeks, and Trachtenberg Kids every 10 days. Most recently, MathMaster was updated on October 15, 2026 and Trachtenberg Kids on October 14, 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.*