# 人教日语 vs MistakeBook

The clearest difference is in-app purchases: MistakeBook at none against 人教日语's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 人教日语 sells 3 one-off in-app purchases. MistakeBook asks for nothing beyond the download.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 2, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | 人教日语 | MistakeBook |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Size | 141 MB | 36 MB |
| Requires iOS | 17.0 | **16.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [盖粦 徐](https://appshunter.io/developer/1724030910) | [志跃 王](https://appshunter.io/developer/6788202252) |

## What reviewers say

### 人教日语

[App page](https://appshunter.io/ios/app/id6743263671)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 人教日语七八九年级解锁 | $3.99 | one-time |
| 人教日语必修123解锁 | $3.99 | one-time |
| 人教日语选修12解锁 | $3.99 | one-time |


### MistakeBook

[App page](https://appshunter.io/ios/app/mistakebook-ai-study-notes/id6788320929)

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

**In-app purchases:** none


## Frequently asked questions

### Is 人教日语 free?

人教日语 is free to download, with in-app purchases available.

### Is MistakeBook free?

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

### Do 人教日语 or MistakeBook have ads?

Neither 人教日语 nor MistakeBook shows ads.

### Which is updated more often, 人教日语 or MistakeBook?

人教日语 ships an update monthly, and MistakeBook monthly. Most recently, 人教日语 was updated on October 2, 2026 and MistakeBook on October 19, 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.*