# DDT vs 卿航IM

The clearest difference is iOS requirement: DDT at 12.0 against 卿航IM's 15.0. 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 weekly. The most recent releases landed on October 19, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | DDT | 卿航IM |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Size | 42 MB | 66 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Guangzhou Baimaode Logistics Technology Co., Ltd.](https://appshunter.io/developer/1714375509) | [Jamie Cole](https://appshunter.io/developer/6787382107) |

## What reviewers say

### DDT

[App page](https://appshunter.io/ios/app/ddt/id6475088111)

**Features:** macOS Compatibility

**In-app purchases:** none


### 卿航IM

[App page](https://appshunter.io/ios/app/im/id6787382105)

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

**In-app purchases:** none


## Frequently asked questions

### Is DDT free?

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

### Is 卿航IM free?

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

### Do DDT or 卿航IM have ads?

Neither DDT nor 卿航IM shows ads.

### Which is updated more often, DDT or 卿航IM?

DDT ships an update weekly, and 卿航IM weekly. Most recently, DDT was updated on October 19, 2026 and 卿航IM on October 17, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*