# 精益通 vs COE教练

The clearest difference is iOS requirement: COE教练 at 9.0 against 精益通's 13.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 9, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | 精益通 | COE教练 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Size | 84 MB | 33 MB |
| Requires iOS | 13.0 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tongtong Technology (Guangzhou) Co., Ltd](https://appshunter.io/developer/1503337748) | [南京菁英荟萃网络科技有限公司](https://appshunter.io/developer/1741460817) |

## What reviewers say

### 精益通

[App page](https://appshunter.io/ios/app/id1472718929)

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

**In-app purchases:** none


### COE教练

[App page](https://appshunter.io/ios/app/coe/id1479353186)

**In-app purchases:** none


## Frequently asked questions

### Is 精益通 free?

精益通 is free to download, with no in-app purchases.

### Is COE教练 free?

COE教练 is free to download, with no in-app purchases.

### Do 精益通 or COE教练 have ads?

Neither 精益通 nor COE教练 shows ads.

### Which is updated more often, 精益通 or COE教练?

精益通 ships an update every 2 months, and COE教练 every 2 months. Most recently, 精益通 was updated on September 9, 2026 and COE教练 on September 21, 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.*