# 善智国学机 vs 九典

The clearest difference is in-app purchases: 善智国学机 at none against 九典's 5. 善智国学机 also leads on iOS requirement (8.0 vs 14.0). 九典's advantage is update cadence (every 3 weeks vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. 九典 sells 5 one-off in-app purchases. 善智国学机 asks for nothing beyond the download.

善智国学机 ships an update every 2 months, 九典 every 3 weeks. The most recent releases landed on October 26, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | 善智国学机 | 九典 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/id6444086605/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 110 MB | 187 MB |
| Requires iOS | **8.0** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [巧云 张](https://appshunter.io/developer/1347146496) | [Xiong'an Jiudian Technology Co., Ltd.](https://appshunter.io/developer/1841338687) |

## What reviewers say

### 善智国学机

[App page](https://appshunter.io/ios/app/id1347146497)

**Features:** macOS Compatibility

**In-app purchases:** none


### 九典

[App page](https://appshunter.io/ios/app/id6444086605)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 6典豆 | $0.99 | one-time |
| 30典豆 | $3.99 | one-time |
| 68典豆 | $9.99 | one-time |
| 388典豆 | $59.99 | one-time |
| 518典豆 | $69.99 | one-time |


## Frequently asked questions

### Is 善智国学机 free?

善智国学机 is free to download, with no in-app purchases.

### Is 九典 free?

九典 is free to download, with in-app purchases available.

### Do 善智国学机 or 九典 have ads?

Neither 善智国学机 nor 九典 shows ads.

### Which is updated more often, 善智国学机 or 九典?

善智国学机 ships an update every 2 months, and 九典 every 3 weeks. Most recently, 善智国学机 was updated on October 26, 2026 and 九典 on November 7, 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.*