# Grungard vs icistaff OS

The clearest difference is update cadence: Grungard at fortnightly against icistaff OS's monthly. 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.

Grungard ships an update fortnightly, icistaff OS monthly. The most recent releases landed on September 30, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Grungard | icistaff OS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Size | 96 MB | 73 MB |
| Requires iOS | 14.0 | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Grüngard](https://appshunter.io/developer/1798108619) | [B1 YONETIM SISTEMLERI YAZILIM VE DANISMANLIK Limited Sirketi](https://appshunter.io/developer/634374671) |

## What reviewers say

### Grungard

[App page](https://appshunter.io/ios/app/grungard/id1632826444)

**Features:** Vision Pro support

**In-app purchases:** none


### icistaff OS

[App page](https://appshunter.io/ios/app/icistaff-os/id6482296720)

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

**In-app purchases:** none


## Frequently asked questions

### Is Grungard free?

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

### Is icistaff OS free?

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

### Do Grungard or icistaff OS have ads?

Neither Grungard nor icistaff OS shows ads.

### Which is updated more often, Grungard or icistaff OS?

Grungard ships an update fortnightly, and icistaff OS monthly. Most recently, Grungard was updated on September 30, 2026 and icistaff OS on October 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.*