# Fun Numbers vs MistakeBook

The clearest difference is price: Fun Numbers at Free against MistakeBook's $1.99. MistakeBook's advantage is chart position (#197 vs unranked) and iOS requirement (13.0 vs 18.2). On ads, in-app purchases and device support there is nothing between them.

Fun Numbers is free to download; MistakeBook costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Fun Numbers | MistakeBook |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Monthly |
| Monetization | — | Paid |
| Best chart rank | — | **#197** |
| Size | 9 MB | 26 MB |
| Requires iOS | 18.2 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | +4 |
| Developer | [Nelli Galiauv](https://appshunter.io/developer/1849741075) | [Xiamen City Fanyou Network Technology Co., Ltd.](https://appshunter.io/developer/1842524161) |

## What reviewers say

### Fun Numbers

[App page](https://appshunter.io/ios/app/fun-numbers/id6757314941)

**Features:** macOS Compatibility

**In-app purchases:** none


### MistakeBook

[App page](https://appshunter.io/ios/app/mistakebook-wrong-answer-log/id6770173206)

**Currently charting:** #197 Top Paid · Education (US App Store)

Log and review incorrect answers to improve learning. Organize mistakes by subject and topic, and utilize spaced repetition to reinforce weak areas. Track progress with visual charts and daily check-ins for effective test preparation.

**Highlights:** Log mistakes with photos and notes, Organize by subject and custom tags, Spaced repetition review mode, Ebbinghaus forgetting curve schedule, Progress charts and stats dashboard, Data import/export backup

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

**In-app purchases:** none


## Frequently asked questions

### Is Fun Numbers free?

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

### Is MistakeBook free?

MistakeBook costs $1.99, with no in-app purchases.

### Do Fun Numbers or MistakeBook have ads?

Neither Fun Numbers nor MistakeBook shows ads.

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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.*