# 芥末学院 vs 大日AI课堂：中级

The clearest difference is in-app purchases: 芥末学院 at none against 大日AI课堂：中级's 1. 芥末学院 also leads on ads (none vs shown) and iOS requirement (12.0 vs 14.0). 大日AI课堂：中级's advantage is update cadence (every 3 weeks vs every 7 months). On price and device support there is nothing between them.

Both are free to download. 大日AI课堂：中级 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, 大日AI课堂：中级 every 3 weeks. The most recent releases landed on October 17, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | 芥末学院 | 大日AI课堂：中级 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 7 months | **Every 3 weeks** |
| Size | 112 MB | 73 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


### 大日AI课堂：中级

[App page](https://appshunter.io/ios/app/ai/id6740695857)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 大日AI课堂：中级永久会员 | $3.99 | 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 大日AI课堂：中级 free?

大日AI课堂：中级 is free to download, with in-app purchases available.

### Do 芥末学院 or 大日AI课堂：中级 have ads?

大日AI课堂：中级 shows ads; 芥末学院 does not.

### Which is updated more often, 芥末学院 or 大日AI课堂：中级?

芥末学院 ships an update every 7 months, and 大日AI课堂：中级 every 3 weeks. Most recently, 芥末学院 was updated on October 17, 2026 and 大日AI课堂：中级 on October 6, 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.*