# IIACSS vs System Nice

The clearest difference is device support: IIACSS at 3 against System Nice's 1. IIACSS also leads on iOS requirement (13.0 vs 16.4). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 5 weeks. The most recent releases landed on October 28, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | IIACSS | System Nice |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | Every 5 weeks |
| Size | 59 MB | 43 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [INDEPENDENT INCORPORATE FOR ADMINSTRATION AND CIVIL SOCIETY STUDIES](https://appshunter.io/developer/1824136528) | [Crypteor capital - Fzco](https://appshunter.io/developer/1697122815) |

## What reviewers say

### IIACSS

[App page](https://appshunter.io/ios/app/iiacss/id6748058671)

**Features:** macOS Compatibility

**In-app purchases:** none


### System Nice

[App page](https://appshunter.io/ios/app/system-nice/id6781612044)

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

**In-app purchases:** none


## Frequently asked questions

### Is IIACSS free?

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

### Is System Nice free?

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

### Do IIACSS or System Nice have ads?

Neither IIACSS nor System Nice shows ads.

### Which is updated more often, IIACSS or System Nice?

IIACSS ships an update every 5 weeks, and System Nice every 5 weeks. Most recently, IIACSS was updated on October 28, 2026 and System Nice on October 16, 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.*