# 纳豆题库 vs 芥末学院

The clearest difference is update cadence: 芥末学院 at every 7 months against 纳豆题库's every 25 months. 纳豆题库's advantage is iOS requirement (9.0 vs 12.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

纳豆题库 ships an update every 25 months, 芥末学院 every 7 months. The most recent releases landed on October 3, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | 纳豆题库 | 芥末学院 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 25 months | **Every 7 months** |
| Size | 47 MB | 112 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Zhengzhou Qingkong Cultural Communication Co.Ltd.](https://appshunter.io/developer/1564704370) | [Dalian Tuozhong Technology Company](https://appshunter.io/developer/786995152) |

## What reviewers say

### 纳豆题库

[App page](https://appshunter.io/ios/app/jlpt/id1495302393)

**Features:** macOS Compatibility

**In-app purchases:** none


### 芥末学院

[App page](https://appshunter.io/ios/app/id1504407770)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 纳豆题库 free?

纳豆题库 is free to download, with no in-app purchases.

### Is 芥末学院 free?

芥末学院 is free to download, with no in-app purchases.

### Do 纳豆题库 or 芥末学院 have ads?

Neither 纳豆题库 nor 芥末学院 shows ads.

### Which is updated more often, 纳豆题库 or 芥末学院?

纳豆题库 ships an update every 25 months, and 芥末学院 every 7 months. Most recently, 纳豆题库 was updated on October 3, 2026 and 芥末学院 on October 29, 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.*