# e差旅 vs 差旅服务

e差旅 and 差旅服务 are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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 10, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | e差旅 | 差旅服务 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Size | 15 MB | 68 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Qingdao Yeefei International Aviation and Travel Service Co.,Ltd.](https://appshunter.io/developer/1387273629) | [Shanghai Yifei Aviation Service Co.,Ltd.](https://appshunter.io/developer/1573887583) |

## What reviewers say

### e差旅

[App page](https://appshunter.io/ios/app/e/id1387273630)

**Features:** macOS Compatibility

**In-app purchases:** none


### 差旅服务

[App page](https://appshunter.io/ios/app/id1573887581)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is e差旅 free?

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

### Is 差旅服务 free?

差旅服务 is free to download, with no in-app purchases.

### Do e差旅 or 差旅服务 have ads?

Neither e差旅 nor 差旅服务 shows ads.

### Which is updated more often, e差旅 or 差旅服务?

e差旅 ships an update every 2 months, and 差旅服务 every 2 months. Most recently, e差旅 was updated on September 10, 2026 and 差旅服务 on September 16, 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.*