# DSE MistakeBook vs LearnSys DSE Study Captain

The clearest difference is in-app purchases: DSE MistakeBook at none against LearnSys DSE Study Captain's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. LearnSys DSE Study Captain sells 1 one-off in-app purchase. DSE MistakeBook asks for nothing beyond the download.

## The numbers

| Metric | DSE MistakeBook | LearnSys DSE Study Captain |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Size | 2 MB | 3 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yin Man Cheung](https://appshunter.io/developer/6799562449) | [Mobpage Holdings Limited](https://appshunter.io/developer/1030700440) |

## What reviewers say

### DSE MistakeBook

[App page](https://appshunter.io/ios/app/dse-mistakebook/id6799562447)

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

**In-app purchases:** none


### LearnSys DSE Study Captain

[App page](https://appshunter.io/ios/app/learnsys-dse-study-captain/id6803014538)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Captain Pro | $4.99 | one-time |


## Frequently asked questions

### Is DSE MistakeBook free?

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

### Is LearnSys DSE Study Captain free?

LearnSys DSE Study Captain is free to download, with in-app purchases available.

### Do DSE MistakeBook or LearnSys DSE Study Captain have ads?

Neither DSE MistakeBook nor LearnSys DSE Study Captain 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.*