# PopTutor vs MistakeBook

The clearest difference is ads: MistakeBook at none against PopTutor's shown. MistakeBook also leads on update cadence (every 3 weeks vs every 3 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PopTutor ships an update every 3 months, MistakeBook every 3 weeks. The most recent releases landed on November 5, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | PopTutor | MistakeBook |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Size | 140 MB | 183 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Markus Thoren](https://appshunter.io/developer/1734518751) | [志跃 王](https://appshunter.io/developer/6788202252) |

## What reviewers say

### PopTutor

[App page](https://appshunter.io/ios/app/poptutor/id6762004124)

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

**In-app purchases:** none


### 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 PopTutor free?

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

### Is MistakeBook free?

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

### Do PopTutor or MistakeBook have ads?

PopTutor shows ads; MistakeBook does not.

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

PopTutor ships an update every 3 months, and MistakeBook every 3 weeks. Most recently, PopTutor was updated on November 5, 2026 and MistakeBook on November 13, 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.*