# eCMTP vs 一港通

The clearest difference is update cadence: 一港通 at every 3 months against eCMTP's every 5 months. eCMTP's advantage is iOS requirement (8.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

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

eCMTP ships an update every 5 months, 一港通 every 3 months. The most recent releases landed on September 8, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | eCMTP | 一港通 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 months** |
| Size | 48 MB | 22 MB |
| Requires iOS | **8.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [招商局国际信息技术有限公司](https://appshunter.io/developer/1449593630) | [Guangzhou South China Oceangate Container Terminal Co., Ltd.](https://appshunter.io/developer/1481783392) |

## What reviewers say

### eCMTP

[App page](https://appshunter.io/ios/app/ecmtp/id1472713933)

**Features:** macOS Compatibility

**In-app purchases:** none


### 一港通

[App page](https://appshunter.io/ios/app/id1481783393)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is eCMTP free?

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

### Is 一港通 free?

一港通 is free to download, with no in-app purchases.

### Do eCMTP or 一港通 have ads?

Neither eCMTP nor 一港通 shows ads.

### Which is updated more often, eCMTP or 一港通?

eCMTP ships an update every 5 months, and 一港通 every 3 months. Most recently, eCMTP was updated on September 8, 2026 and 一港通 on September 19, 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.*