# Answell vs DSE MistakeBook

The clearest difference is in-app purchases: DSE MistakeBook at none against Answell's 2. DSE MistakeBook also leads on ads (none vs shown). Answell's advantage is update cadence (every 4 days vs every 2 weeks) and iOS requirement (15.1 vs 17.0). On price and device support there is nothing between them.

Both are free to download. Answell sells 2 in-app purchases, starting at $3.99 per month. DSE MistakeBook asks for nothing beyond the download.

Answell ships an update every 4 days, DSE MistakeBook every 2 weeks. The most recent releases landed on October 17, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Answell | DSE MistakeBook |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Every 2 weeks |
| Size | 141 MB | 2 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [KAM CHEUNG Wong](https://appshunter.io/developer/1439158011) | [Yin Man Cheung](https://appshunter.io/developer/6799562449) |

## What reviewers say

### Answell

[App page](https://appshunter.io/ios/app/answell/id6765916859)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Answell Pro (Monthly) | $3.99 | per month |
| Answell Pro (Yearly) | $34.99 | 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 Answell free?

Answell 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 Answell or DSE MistakeBook have ads?

Answell shows ads; DSE MistakeBook does not.

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

Answell ships an update every 4 days, and DSE MistakeBook every 2 weeks. Most recently, Answell was updated on October 17, 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.*