# Machine Manager vs STEP Viewer

The clearest difference is update cadence: STEP Viewer at every 5 days against Machine Manager's every 6 weeks. STEP Viewer 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.

Machine Manager ships an update every 6 weeks, STEP Viewer every 5 days. Both last shipped on September 17, 2026.

## The numbers

| Metric | Machine Manager | STEP Viewer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 5 days** |
| Size | 14 MB | 61 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nejc Silc](https://appshunter.io/developer/1481975765) | [Smart Cube Labs Co., Ltd.](https://appshunter.io/developer/1456342688) |

## What reviewers say

### Machine Manager

[App page](https://appshunter.io/ios/app/machine-manager/id1481975766)

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

**In-app purchases:** none


### STEP Viewer

[App page](https://appshunter.io/ios/app/step-viewer/id6756539299)

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

**In-app purchases:** none


## Frequently asked questions

### Is Machine Manager free?

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

### Is STEP Viewer free?

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

### Do Machine Manager or STEP Viewer have ads?

Neither Machine Manager nor STEP Viewer shows ads.

### Which is updated more often, Machine Manager or STEP Viewer?

Machine Manager ships an update every 6 weeks, and STEP Viewer every 5 days. Most recently, Machine Manager was updated on September 17, 2026 and STEP Viewer on September 17, 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.*