# E车E卡 vs 行云换电助手

The clearest difference is ads: E车E卡 at none against 行云换电助手's shown. On price, update cadence, 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.

E车E卡 ships an update every 2 weeks, 行云换电助手 every 3 weeks. Both last shipped on November 3, 2026.

## The numbers

| Metric | E车E卡 | 行云换电助手 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Size | 76 MB | 51 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Wanglan Technology Co., Ltd.](https://appshunter.io/developer/836381589) | [Hangzhou Xingyun Power Source Technology Co., Ltd.](https://appshunter.io/developer/1681532422) |

## What reviewers say

### E车E卡

[App page](https://appshunter.io/ios/app/ee/id1526082845)

**In-app purchases:** none


### 行云换电助手

[App page](https://appshunter.io/ios/app/id6444427331)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is E车E卡 free?

E车E卡 is free to download, with no in-app purchases.

### Is 行云换电助手 free?

行云换电助手 is free to download, with no in-app purchases.

### Do E车E卡 or 行云换电助手 have ads?

行云换电助手 shows ads; E车E卡 does not.

### Which is updated more often, E车E卡 or 行云换电助手?

E车E卡 ships an update every 2 weeks, and 行云换电助手 every 3 weeks. Most recently, E车E卡 was updated on November 3, 2026 and 行云换电助手 on November 3, 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.*