# SKF Machine train alignment vs SKF云图

The clearest difference is update cadence: SKF云图 at monthly against SKF Machine train alignment's every 3 months. SKF云图 also leads on iOS requirement (13.0 vs 15.0). 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.

SKF Machine train alignment ships an update every 3 months, SKF云图 monthly. The most recent releases landed on September 17, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | SKF Machine train alignment | SKF云图 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Size | 69 MB | 41 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SKF](https://appshunter.io/developer/472922971) | [SKF (China) Co., Ltd.](https://appshunter.io/developer/1716830479) |

## What reviewers say

### SKF Machine train alignment

[App page](https://appshunter.io/ios/app/skf-machine-train-alignment/id1149906003)

**Features:** macOS Compatibility

**In-app purchases:** none


### SKF云图

[App page](https://appshunter.io/ios/app/skf/id6472242332)

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

**In-app purchases:** none


## Frequently asked questions

### Is SKF Machine train alignment free?

SKF Machine train alignment is free to download, with no in-app purchases.

### Is SKF云图 free?

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

### Do SKF Machine train alignment or SKF云图 have ads?

Neither SKF Machine train alignment nor SKF云图 shows ads.

### Which is updated more often, SKF Machine train alignment or SKF云图?

SKF Machine train alignment ships an update every 3 months, and SKF云图 monthly. Most recently, SKF Machine train alignment was updated on September 17, 2026 and SKF云图 on September 11, 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.*