# COE私塾 vs 智慧夏矿

The clearest difference is in-app purchases: 智慧夏矿 at none against COE私塾's 6. COE私塾's advantage is update cadence (every 2 weeks vs every 7 months) and iOS requirement (9.0 vs 15.6). On price, ads and device support there is nothing between them.

Both are free to download. COE私塾 sells 6 one-off in-app purchases. 智慧夏矿 asks for nothing beyond the download.

COE私塾 ships an update every 2 weeks, 智慧夏矿 every 7 months. The most recent releases landed on October 7, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | COE私塾 | 智慧夏矿 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 7 months |
| Size | 74 MB | 63 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [南京菁英荟萃网络科技有限公司](https://appshunter.io/developer/1741460817) | [北京华夏安科信息技术有限公司](https://appshunter.io/developer/1361866717) |

## What reviewers say

### COE私塾

[App page](https://appshunter.io/ios/app/coe/id1455826383)

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3云币 | $0.99 | one-time |
| 50 云币 | $6.99 | one-time |
| 68 云币 | $9.99 | one-time |
| 会员包年 | $39.99 | one-time |
| 1298 云币 | $199.99 | one-time |
| 2598 云币 | $399.99 | one-time |


### 智慧夏矿

[App page](https://appshunter.io/ios/app/id1485861528)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is COE私塾 free?

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

### Is 智慧夏矿 free?

智慧夏矿 is free to download, with no in-app purchases.

### Do COE私塾 or 智慧夏矿 have ads?

Neither COE私塾 nor 智慧夏矿 shows ads.

### Which is updated more often, COE私塾 or 智慧夏矿?

COE私塾 ships an update every 2 weeks, and 智慧夏矿 every 7 months. Most recently, COE私塾 was updated on October 7, 2026 and 智慧夏矿 on October 11, 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.*