# Criterium vs Artech Sis

The clearest difference is iOS requirement: Criterium at 11.0 against Artech Sis's 13.4. 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 7 months. The most recent releases landed on October 2, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Criterium | Artech Sis |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | Every 7 months |
| Size | 46 MB | 133 MB |
| Requires iOS | **11.0** | 13.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Union Data Soluções em TI](https://appshunter.io/developer/1143603022) | [ARTECH SISTEMAS DE SEGURANCA EIRELI](https://appshunter.io/developer/1715728183) |

## What reviewers say

### Criterium

[App page](https://appshunter.io/ios/app/criterium/id1531939090)

**Features:** macOS Compatibility

**In-app purchases:** none


### Artech Sis

[App page](https://appshunter.io/ios/app/artech-sis/id6471621269)

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

**In-app purchases:** none


## Frequently asked questions

### Is Criterium free?

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

### Is Artech Sis free?

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

### Do Criterium or Artech Sis have ads?

Neither Criterium nor Artech Sis shows ads.

### Which is updated more often, Criterium or Artech Sis?

Criterium ships an update every 7 months, and Artech Sis every 7 months. Most recently, Criterium was updated on October 2, 2026 and Artech Sis on October 12, 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.*