# Rock Safety vs Sis Work

The clearest difference is update cadence: Sis Work at every 2 months against Rock Safety's every 4 months. Rock Safety's advantage is 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.

Rock Safety ships an update every 4 months, Sis Work every 2 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | Rock Safety | Sis Work |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Size | 30 MB | 108 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [ROCK SAFETY Munkavedelmi Eszkozgyarto es Kereskedelmi Korlatolt Felelossegu Tarsasag](https://appshunter.io/developer/1294647554) | [ASSA ABLOY Opening Solutions Hungary Kft](https://appshunter.io/developer/1102976407) |

## What reviewers say

### Rock Safety

[App page](https://appshunter.io/ios/app/rock-safety/id1294647555)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sis Work

[App page](https://appshunter.io/ios/app/sis-work/id6450505803)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Rock Safety free?

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

### Is Sis Work free?

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

### Do Rock Safety or Sis Work have ads?

Neither Rock Safety nor Sis Work shows ads.

### Which is updated more often, Rock Safety or Sis Work?

Rock Safety ships an update every 4 months, and Sis Work every 2 months. Most recently, Rock Safety was updated on November 3, 2026 and Sis Work on November 3, 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.*