# 芥末学院 vs 日语蓝宝书

The clearest difference is in-app purchases: 芥末学院 at none against 日语蓝宝书's 1. 芥末学院 also leads on ads (none vs shown) and iOS requirement (12.0 vs 14.0). 日语蓝宝书's advantage is update cadence (every 5 weeks vs every 7 months). On price and device support there is nothing between them.

Both are free to download. 日语蓝宝书 sells 1 one-off in-app purchase. 芥末学院 asks for nothing beyond the download.

芥末学院 ships an update every 7 months, 日语蓝宝书 every 5 weeks. The most recent releases landed on October 29, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | 芥末学院 | 日语蓝宝书 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 7 months | **Every 5 weeks** |
| Size | 112 MB | 28 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Dalian Tuozhong Technology Company](https://appshunter.io/developer/786995152) | [盖粦 徐](https://appshunter.io/developer/1724030910) |

## What reviewers say

### 芥末学院

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

**Features:** macOS Compatibility

**In-app purchases:** none


### 日语蓝宝书

[App page](https://appshunter.io/ios/app/id6741700329)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 日语蓝宝书会员 | $2.99 | one-time |


## Frequently asked questions

### Is 芥末学院 free?

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

### Is 日语蓝宝书 free?

日语蓝宝书 is free to download, with in-app purchases available.

### Do 芥末学院 or 日语蓝宝书 have ads?

日语蓝宝书 shows ads; 芥末学院 does not.

### Which is updated more often, 芥末学院 or 日语蓝宝书?

芥末学院 ships an update every 7 months, and 日语蓝宝书 every 5 weeks. Most recently, 芥末学院 was updated on October 29, 2026 and 日语蓝宝书 on October 28, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*