# 西海岸公交e行 vs 青碳行

The clearest difference is ads: 西海岸公交e行 at none against 青碳行's shown. 青碳行's advantage is update cadence (every 4 weeks vs every 10 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

西海岸公交e行 ships an update every 10 months, 青碳行 every 4 weeks. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | 西海岸公交e行 | 青碳行 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/id1578613073/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 10 months | **Every 4 weeks** |
| Monetization | Free | — |
| Size | 56 MB | 236 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [萧 韩](https://appshunter.io/developer/1456689997) | [佰业绿色科技(青岛)有限公司](https://appshunter.io/developer/1578613075) |

## What reviewers say

### 西海岸公交e行

[App page](https://appshunter.io/ios/app/e/id1495272388)

This app provides real-time public transit information for Qingdao's West Coast New Area. It offers vehicle tracking, route planning, transit news, and lost and found services, aiming for a streamlined and efficient user experience.

**Highlights:** Real-time vehicle location, Route planning, Transit news and updates, Lost and found services, Unified route information, Simplified interface

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

**In-app purchases:** none


### 青碳行

[App page](https://appshunter.io/ios/app/id1578613073)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 西海岸公交e行 free?

西海岸公交e行 is free to download, with no in-app purchases.

### Is 青碳行 free?

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

### Do 西海岸公交e行 or 青碳行 have ads?

青碳行 shows ads; 西海岸公交e行 does not.

### Which is updated more often, 西海岸公交e行 or 青碳行?

西海岸公交e行 ships an update every 10 months, and 青碳行 every 4 weeks. Most recently, 西海岸公交e行 was updated on October 24, 2026 and 青碳行 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.*