# MistakeBook vs iHanFei

The clearest difference is in-app purchases: MistakeBook at none against iHanFei's 1. MistakeBook also leads on iOS requirement (13.0 vs 17.0). iHanFei's advantage is price ($0.99 vs $1.99). On ads and device support there is nothing between them.

MistakeBook costs $1.99 and iHanFei $0.99 up front. iHanFei sells 1 one-off in-app purchase. MistakeBook asks for nothing beyond the download.

## The numbers

| Metric | MistakeBook | iHanFei |
| --- | --- | --- |
| Price | $1.99 | **$0.99** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | — |
| Monetization | Paid | — |
| Size | 26 MB | 21 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Xiamen City Fanyou Network Technology Co., Ltd.](https://appshunter.io/developer/1842524161) | [天从 何](https://appshunter.io/developer/914453386) |

## What reviewers say

### MistakeBook

[App page](https://appshunter.io/ios/app/mistakebook-wrong-answer-log/id6770173206)

Log and review incorrect answers to improve learning. Organize mistakes by subject and topic, and utilize spaced repetition to reinforce weak areas. Track progress with visual charts and daily check-ins for effective test preparation.

**Highlights:** Log mistakes with photos and notes, Organize by subject and custom tags, Spaced repetition review mode, Ebbinghaus forgetting curve schedule, Progress charts and stats dashboard, Data import/export backup

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

**In-app purchases:** none


### iHanFei

[App page](https://appshunter.io/ios/app/ihanfei-han-feizi-study/id6808957997)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Reward developers | $0.99 | one-time |


## Frequently asked questions

### Is MistakeBook free?

MistakeBook costs $1.99, with no in-app purchases.

### Is iHanFei free?

iHanFei costs $0.99, and also offers in-app purchases.

### Do MistakeBook or iHanFei have ads?

Neither MistakeBook nor iHanFei 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.*