# i交院 vs 鹰城公交

The clearest difference is ads: i交院 at none against 鹰城公交's shown. i交院 also leads on update cadence (every 3 weeks vs every 2 months) and iOS requirement (11.0 vs 15.0). On price, 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.

i交院 ships an update every 3 weeks, 鹰城公交 every 2 months. The most recent releases landed on October 14, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | i交院 | 鹰城公交 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Size | 94 MB | 71 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [上海树维信息科技有限公司](https://appshunter.io/developer/994850925) | [Beijing CIC Technology Co., Ltd](https://appshunter.io/developer/675088114) |

## What reviewers say

### i交院

[App page](https://appshunter.io/ios/app/i/id1595531684)

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

**In-app purchases:** none


### 鹰城公交

[App page](https://appshunter.io/ios/app/id6503050591)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is i交院 free?

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

### Is 鹰城公交 free?

鹰城公交 is free to download, with no in-app purchases.

### Do i交院 or 鹰城公交 have ads?

鹰城公交 shows ads; i交院 does not.

### Which is updated more often, i交院 or 鹰城公交?

i交院 ships an update every 3 weeks, and 鹰城公交 every 2 months. Most recently, i交院 was updated on October 14, 2026 and 鹰城公交 on October 30, 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.*