# Math Kobold vs Kopfrechnen Trainer

The clearest difference is price: Kopfrechnen Trainer at Free against Math Kobold's $3.99. On update cadence, ads, in-app purchases and device support there is nothing between them.

Kopfrechnen Trainer is free to download; Math Kobold costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Math Kobold ships an update monthly, Kopfrechnen Trainer every 2 weeks. The most recent releases landed on September 21, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Math Kobold | Kopfrechnen Trainer |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | Paid | — |
| Size | 141 MB | 92 MB |
| Requires iOS | **16** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Klebert Engineering](https://appshunter.io/developer/1536143644) | [Alban Nelaj](https://appshunter.io/developer/1894156643) |

## What reviewers say

### Math Kobold

[App page](https://appshunter.io/ios/app/math-kobold-learning-game/id1536143642)

Practice mental arithmetic with a fun, step-by-step game. Solve math problems to progress through levels, defeat opponents, and earn rewards. Supports addition, subtraction, multiplication, and division with adjustable difficulty.

**Highlights:** Step-by-step mental arithmetic training, Addition, subtraction, multiplication, division practice, Adjustable number ranges and difficulty levels, Reward system with stars and gold chests, Adaptive problem generator, Engaging gameplay with opponents and music

**Features:** macOS Compatibility

**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:** none


## Frequently asked questions

### Is Math Kobold free?

Math Kobold costs $3.99, with no in-app purchases.

### Is Kopfrechnen Trainer free?

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

### Do Math Kobold or Kopfrechnen Trainer have ads?

Neither Math Kobold nor Kopfrechnen Trainer shows ads.

### Which is updated more often, Math Kobold or Kopfrechnen Trainer?

Math Kobold ships an update monthly, and Kopfrechnen Trainer every 2 weeks. Most recently, Math Kobold was updated on September 21, 2026 and Kopfrechnen Trainer on September 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.*