# Math Kobold vs Fair Marks

The clearest difference is price: Fair Marks at Free against Math Kobold's $3.99. Math Kobold's advantage is in-app purchases (none vs 2) and review sentiment (83% vs 50%). On ads, device support and iOS requirement there is nothing between them.

Fair Marks is free to download; Math Kobold costs $3.99 up front. Fair Marks sells 2 in-app purchases, starting at $6.99 per 6 months. Math Kobold asks for nothing beyond the download.

Math Kobold ships an update monthly, Fair Marks every 10 months. The most recent releases landed on October 7, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Math Kobold | Fair Marks |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Positive reviews | **83.3% of reviews** | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 10 months |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 141 MB | 9 MB |
| Requires iOS | **16** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Klebert Engineering](https://appshunter.io/developer/1536143644) | [Felix Kampmann](https://appshunter.io/developer/1544791386) |

## 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


### Fair Marks

[App page](https://appshunter.io/ios/app/fair-marks-marks-made-easy/id1553794401)

Streamline your grading process with this intuitive app. Easily manage tests, define flexible grading scales, and track student performance. Keep your data private and save valuable time.

**Highlights:** Manage tests and exams, Flexible grade definition, Organize students and courses, Add remarks quickly, Performance overview, Offline data storage, Optional iCloud sync

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full version (6 months) | $6.99 | per 6 months |
| Full version (1 year) | $12.99 | per year |


## Frequently asked questions

### Is Math Kobold free?

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

### Is Fair Marks free?

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

### Do Math Kobold or Fair Marks have ads?

Neither Math Kobold nor Fair Marks shows ads.

### Which is updated more often, Math Kobold or Fair Marks?

Math Kobold ships an update monthly, and Fair Marks every 10 months. Most recently, Math Kobold was updated on October 7, 2026 and Fair Marks on October 15, 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.*