# e差旅 vs 海燕

The clearest difference is in-app purchases: e差旅 at none against 海燕's 5. e差旅 also leads on iOS requirement (13.0 vs 15). 海燕's advantage is update cadence (every 3 days vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. 海燕 sells 5 in-app purchases, starting at $2.99 per 7 days. e差旅 asks for nothing beyond the download.

e差旅 ships an update every 2 months, 海燕 every 3 days. The most recent releases landed on October 13, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | e差旅 | 海燕 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Size | 15 MB | 26 MB |
| Requires iOS | **13.0** | 15 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [青岛易飞国际航空旅游服务有限公司](https://appshunter.io/developer/1387273629) | [Jiangkun Liao](https://appshunter.io/developer/1271316454) |

## What reviewers say

### e差旅

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

**Features:** macOS Compatibility

**In-app purchases:** none


### 海燕

[App page](https://appshunter.io/ios/app/id6755944361)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 七天 | $2.99 | per 7 days |
| 月度 | $4.99 | per month |
| 季度 | $14.99 | per 3 months |
| 年度 | $24.99 | per year |
| 7 积分 | $0.99 | one-time |


## Frequently asked questions

### Is e差旅 free?

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

### Is 海燕 free?

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

### Do e差旅 or 海燕 have ads?

Neither e差旅 nor 海燕 shows ads.

### Which is updated more often, e差旅 or 海燕?

e差旅 ships an update every 2 months, and 海燕 every 3 days. Most recently, e差旅 was updated on October 13, 2026 and 海燕 on October 18, 2026.

---

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