# 乘车e码通 vs 印迹·水印

The clearest difference is ads: 乘车e码通 at none against 印迹·水印's shown. 乘车e码通 also leads on update cadence (every 2 months vs every 4 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.

乘车e码通 ships an update every 2 months, 印迹·水印 every 4 months. The most recent releases landed on October 22, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | 乘车e码通 | 印迹·水印 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 4 months |
| Size | 64 MB | 66 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [天俊 朱](https://appshunter.io/developer/1864177409) | [Qingdao Tongshu Era Network Technology Co., Ltd](https://appshunter.io/developer/1868561527) |

## What reviewers say

### 乘车e码通

[App page](https://appshunter.io/ios/app/e/id6758086984)

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

**In-app purchases:** none


### 印迹·水印

[App page](https://appshunter.io/ios/app/id6758754285)

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

**In-app purchases:** none


## Frequently asked questions

### Is 乘车e码通 free?

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

### Is 印迹·水印 free?

印迹·水印 is free to download, with no in-app purchases.

### Do 乘车e码通 or 印迹·水印 have ads?

印迹·水印 shows ads; 乘车e码通 does not.

### Which is updated more often, 乘车e码通 or 印迹·水印?

乘车e码通 ships an update every 2 months, and 印迹·水印 every 4 months. Most recently, 乘车e码通 was updated on October 22, 2026 and 印迹·水印 on October 13, 2026.

---

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