# 行云换电助手 vs 石栏

The clearest difference is device support: 行云换电助手 at 2 against 石栏's —. On price, in-app purchases 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.

## The numbers

| Metric | 行云换电助手 | 石栏 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | — |
| Update frequency | Every 3 weeks | — |
| Size | 51 MB | 227 MB |
| Requires iOS | 13.0 | **12.3** |
| Devices | **iPhone, iPod** | — |
| Age rating | 17+ | 4+ |
| Developer | [Hangzhou Xingyun Power Source Technology Co., Ltd.](https://appshunter.io/developer/1681532422) | [Enping Hongjun Photoelectric Co., Ltd.](https://appshunter.io/developer/1763361278) |

## What reviewers say

### 行云换电助手

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

**Features:** macOS Compatibility

**In-app purchases:** none


### 石栏

[App page](https://appshunter.io/ios/app/id6642647313)

**In-app purchases:** none


## Frequently asked questions

### Is 行云换电助手 free?

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

### Is 石栏 free?

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

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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.*