# 大日AI课堂：中级 vs Contextual Kaiwa

The clearest difference is ads: Contextual Kaiwa at none against 大日AI课堂：中级's shown. Contextual Kaiwa also leads on update cadence (daily vs every 3 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. 大日AI课堂：中级 sells 1 one-off in-app purchase and Contextual Kaiwa sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

大日AI课堂：中级 ships an update every 3 weeks, Contextual Kaiwa daily. The most recent releases landed on October 6, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | 大日AI课堂：中级 | Contextual Kaiwa |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Daily** |
| Size | 73 MB | 191 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [盖粦 徐](https://appshunter.io/developer/1724030910) | [HAIPING OU](https://appshunter.io/developer/1886304740) |

## What reviewers say

### 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 |


### Contextual Kaiwa

[App page](https://appshunter.io/ios/app/contextual-kaiwa/id6760800115)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Season 1 (JLPT N5) | $3.99 | one-time |
| Season 2 (JLPT N4) | $4.99 | one-time |
| Season 3 (JLPT N3) | $6.99 | one-time |
| All Seasons (N5-N3) | $12.99 | one-time |


## Frequently asked questions

### 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.

### Is Contextual Kaiwa free?

Contextual Kaiwa is free to download, with in-app purchases available.

### Do 大日AI课堂：中级 or Contextual Kaiwa have ads?

大日AI课堂：中级 shows ads; Contextual Kaiwa does not.

### Which is updated more often, 大日AI课堂：中级 or Contextual Kaiwa?

大日AI课堂：中级 ships an update every 3 weeks, and Contextual Kaiwa daily. Most recently, 大日AI课堂：中级 was updated on October 6, 2026 and Contextual Kaiwa on October 20, 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.*