# Quizzmo vs MistakeBook

The clearest difference is in-app purchases: MistakeBook at none against Quizzmo's 2. Quizzmo's advantage is update cadence (every 9 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Quizzmo sells 2 in-app purchases, starting at $9.99 per month. MistakeBook asks for nothing beyond the download.

Quizzmo ships an update every 9 days, MistakeBook every 3 weeks. Both last shipped on October 25, 2026.

## The numbers

| Metric | Quizzmo | MistakeBook |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 3 weeks |
| Size | 69 MB | 183 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mohamed Babeker](https://appshunter.io/developer/1845692228) | [志跃 王](https://appshunter.io/developer/6788202252) |

## What reviewers say

### Quizzmo

[App page](https://appshunter.io/ios/app/quizzmo/id6753915799)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $9.99 | per month |
| Premium Yearly | $39.99 | per year |


### MistakeBook

[App page](https://appshunter.io/ios/app/mistakebook-ai-study-notes/id6788320929)

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

**In-app purchases:** none


## Frequently asked questions

### Is Quizzmo free?

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

### Is MistakeBook free?

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

### Do Quizzmo or MistakeBook have ads?

Neither Quizzmo nor MistakeBook shows ads.

### Which is updated more often, Quizzmo or MistakeBook?

Quizzmo ships an update every 9 days, and MistakeBook every 3 weeks. Most recently, Quizzmo was updated on October 25, 2026 and MistakeBook 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.*