# Mental arithmetic with MiCa vs Math Kobold

The clearest difference is price: Mental arithmetic with MiCa at Free against Math Kobold's $3.99. Mental arithmetic with MiCa also leads on iOS requirement (13.0 vs 16). On update cadence, ads, in-app purchases and device support there is nothing between them.

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

Mental arithmetic with MiCa ships an update every 3 weeks, Math Kobold monthly. Both last shipped on October 25, 2026.

## The numbers

| Metric | Mental arithmetic with MiCa | Math Kobold |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Positive reviews | — | 83.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | — | Paid |
| Size | 41 MB | 141 MB |
| Requires iOS | **13.0** | 16 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sebastian Fox](https://appshunter.io/developer/447470917) | [Klebert Engineering](https://appshunter.io/developer/1536143644) |

## What reviewers say

### Mental arithmetic with MiCa

[App page](https://appshunter.io/ios/app/mental-arithmetic-with-mica/id1513892399)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Mental arithmetic with MiCa free?

Mental arithmetic with MiCa is free to download, with no in-app purchases.

### Is Math Kobold free?

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

### Do Mental arithmetic with MiCa or Math Kobold have ads?

Neither Mental arithmetic with MiCa nor Math Kobold shows ads.

### Which is updated more often, Mental arithmetic with MiCa or Math Kobold?

Mental arithmetic with MiCa ships an update every 3 weeks, and Math Kobold monthly. Most recently, Mental arithmetic with MiCa was updated on October 25, 2026 and Math Kobold on October 25, 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.*