# 地铁联调软件 vs SafeUSB Pro

The clearest difference is ads: SafeUSB Pro at none against 地铁联调软件's shown. SafeUSB Pro also leads on update cadence (every 2 weeks vs every 11 months). 地铁联调软件's advantage is iOS requirement (9.0 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.

地铁联调软件 ships an update every 11 months, SafeUSB Pro every 2 weeks. The most recent releases landed on November 7, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | 地铁联调软件 | SafeUSB Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 11 months | **Every 2 weeks** |
| Size | 37 MB | 20 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [China Railway Electrification Engineering Group Co.,Ltd.](https://appshunter.io/developer/1529561686) | [Shenzhen Cheng'an Innovation Technology Co., Ltd.](https://appshunter.io/developer/1807438081) |

## What reviewers say

### 地铁联调软件

[App page](https://appshunter.io/ios/app/id1587089039)

**Features:** macOS Compatibility

**In-app purchases:** none


### SafeUSB Pro

[App page](https://appshunter.io/ios/app/safeusb-pro/id6756099333)

**In-app purchases:** none


## Frequently asked questions

### Is 地铁联调软件 free?

地铁联调软件 is free to download, with no in-app purchases.

### Is SafeUSB Pro free?

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

### Do 地铁联调软件 or SafeUSB Pro have ads?

地铁联调软件 shows ads; SafeUSB Pro does not.

### Which is updated more often, 地铁联调软件 or SafeUSB Pro?

地铁联调软件 ships an update every 11 months, and SafeUSB Pro every 2 weeks. Most recently, 地铁联调软件 was updated on November 7, 2026 and SafeUSB Pro on November 5, 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.*