# WoofNote vs DSE MistakeBook

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

Both are free to download. WoofNote sells 3 in-app purchases, starting at $3.99 per month. DSE MistakeBook asks for nothing beyond the download.

WoofNote ships an update daily, DSE MistakeBook every 2 weeks. The most recent releases landed on October 6, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | WoofNote | DSE MistakeBook |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Daily** | Every 2 weeks |
| Size | 63 MB | 2 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Hyeon Jin Ko](https://appshunter.io/developer/1871874564) | [Yin Man Cheung](https://appshunter.io/developer/6799562449) |

## What reviewers say

### WoofNote

[App page](https://appshunter.io/ios/app/woofnote-quiz-notes/id6785422995)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WoofNote Pro (1 Month) | $3.99 | per month |
| WoofNote Pro (3 Months) | $7.99 | per 3 months |
| WoofNote Pro (1 Year) | $20.99 | per year |


### DSE MistakeBook

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

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

**In-app purchases:** none


## Frequently asked questions

### Is WoofNote free?

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

### Is DSE MistakeBook free?

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

### Do WoofNote or DSE MistakeBook have ads?

Neither WoofNote nor DSE MistakeBook shows ads.

### Which is updated more often, WoofNote or DSE MistakeBook?

WoofNote ships an update daily, and DSE MistakeBook every 2 weeks. Most recently, WoofNote was updated on October 6, 2026 and DSE MistakeBook on October 16, 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.*