# SGMTools vs 海铁联运

The clearest difference is update cadence: SGMTools at every 3 weeks against 海铁联运's every 8 months. 海铁联运's advantage is iOS requirement (12.0 vs 15.6). On price, ads, 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.

SGMTools ships an update every 3 weeks, 海铁联运 every 8 months. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | SGMTools | 海铁联运 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 8 months |
| Size | 4 MB | 33 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [杰宸 李](https://appshunter.io/developer/1041861815) | [上海港海铁联运有限公司](https://appshunter.io/developer/1592619866) |

## What reviewers say

### SGMTools

[App page](https://appshunter.io/ios/app/sgmtools/id1196631498)

**Features:** macOS Compatibility

**In-app purchases:** none


### 海铁联运

[App page](https://appshunter.io/ios/app/id1592619864)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SGMTools free?

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

### Is 海铁联运 free?

海铁联运 is free to download, with no in-app purchases.

### Do SGMTools or 海铁联运 have ads?

Neither SGMTools nor 海铁联运 shows ads.

### Which is updated more often, SGMTools or 海铁联运?

SGMTools ships an update every 3 weeks, and 海铁联运 every 8 months. Most recently, SGMTools was updated on October 26, 2026 and 海铁联运 on October 27, 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.*