# COE私塾 vs Know+

The clearest difference is iOS requirement: COE私塾 at 9.0 against Know+'s 11.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. COE私塾 sells 6 one-off in-app purchases and Know+ sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on September 23, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | COE私塾 | Know+ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Size | 74 MB | 71 MB |
| Requires iOS | **9.0** | 11.0 |
| 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) | [Shanghai Knewtopia Technology, Co., Ltd.](https://appshunter.io/developer/1601990393) |

## 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 |


### Know+

[App page](https://appshunter.io/ios/app/know-plus/id1601990391)

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 6元即可兑换6金币 | $0.99 | one-time |
| 68元即可兑换68金币 | $9.99 | one-time |
| 88元即可兑换88金币 | $12.99 | one-time |
| 198元即可兑换198金币 | $29.99 | one-time |
| 388元即可兑换388金币 | $59.99 | one-time |
| 998元即可兑换998金币 | $149.99 | one-time |


## Frequently asked questions

### Is COE私塾 free?

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

### Is Know+ free?

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

### Do COE私塾 or Know+ have ads?

Neither COE私塾 nor Know+ shows ads.

### Which is updated more often, COE私塾 or Know+?

COE私塾 ships an update every 2 weeks, and Know+ every 2 weeks. Most recently, COE私塾 was updated on September 23, 2026 and Know+ on September 15, 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.*