# MathMe vs Kopfrechnen Trainer

The clearest difference is in-app purchases: MathMe at none against Kopfrechnen Trainer's 1. MathMe also leads on iOS requirement (15.0 vs 17.0). Kopfrechnen Trainer's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. Kopfrechnen Trainer sells 1 in-app purchase, starting at $9.00 per year. MathMe asks for nothing beyond the download.

MathMe ships an update every 3 weeks, Kopfrechnen Trainer fortnightly. The most recent releases landed on October 18, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | MathMe | Kopfrechnen Trainer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Size | 47 MB | 92 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [MTNT Solutions](https://appshunter.io/developer/1859226701) | [Alban Nelaj](https://appshunter.io/developer/1894156643) |

## What reviewers say

### MathMe

[App page](https://appshunter.io/ios/app/mathme-mental-math-trainer/id6756212814)

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

**In-app purchases:** none


### Kopfrechnen Trainer

[App page](https://appshunter.io/ios/app/kopfrechnen-trainer/id6764520128)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium-Abo | $9.00 | per year |


## Frequently asked questions

### Is MathMe free?

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

### Is Kopfrechnen Trainer free?

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

### Do MathMe or Kopfrechnen Trainer have ads?

MathMe shows ads; Kopfrechnen Trainer does not.

### Which is updated more often, MathMe or Kopfrechnen Trainer?

MathMe ships an update every 3 weeks, and Kopfrechnen Trainer fortnightly. Most recently, MathMe was updated on October 18, 2026 and Kopfrechnen Trainer on October 20, 2026.

---

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