# KLAS vs CmQuadro

The clearest difference is update cadence: CmQuadro at monthly against KLAS's every 4 months. KLAS's advantage is iOS requirement (15.6 vs 18.6). 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.

KLAS ships an update every 4 months, CmQuadro monthly. The most recent releases landed on October 4, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | KLAS | CmQuadro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Size | 220 MB | 120 MB |
| Requires iOS | **15.6** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [SHAGGY OWL s.r.l.s.](https://appshunter.io/developer/672418138) | [Indaco Project Srl](https://appshunter.io/developer/1156159998) |

## What reviewers say

### KLAS

[App page](https://appshunter.io/ios/app/klas/id1044039941)

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

**In-app purchases:** none


### CmQuadro

[App page](https://appshunter.io/ios/app/cmquadro/id6738383956)

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

**In-app purchases:** none


## Frequently asked questions

### Is KLAS free?

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

### Is CmQuadro free?

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

### Do KLAS or CmQuadro have ads?

Neither KLAS nor CmQuadro shows ads.

### Which is updated more often, KLAS or CmQuadro?

KLAS ships an update every 4 months, and CmQuadro monthly. Most recently, KLAS was updated on October 4, 2026 and CmQuadro on October 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.*