# Quality Laboratory vs STABILITY LABORATORY

The clearest difference is update cadence: Quality Laboratory at every 3 weeks against STABILITY LABORATORY's every 3 months. Quality Laboratory also leads on iOS requirement (6.0 vs 13.0). 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.

Quality Laboratory ships an update every 3 weeks, STABILITY LABORATORY every 3 months. The most recent releases landed on October 3, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Quality Laboratory | STABILITY LABORATORY |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Size | 7 MB | 47 MB |
| Requires iOS | **6.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Comtron Inc.](https://appshunter.io/developer/972141057) | [ESTABLISHMENT NAGM-AD-DIN AL-TUSMIM FOR INFORMATION TECHNOLOGY](https://appshunter.io/developer/1507017588) |

## What reviewers say

### Quality Laboratory

[App page](https://appshunter.io/ios/app/quality-laboratory/id972141058)

**Features:** macOS Compatibility

**In-app purchases:** none


### STABILITY LABORATORY

[App page](https://appshunter.io/ios/app/stability-laboratory/id6502569167)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Quality Laboratory free?

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

### Is STABILITY LABORATORY free?

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

### Do Quality Laboratory or STABILITY LABORATORY have ads?

Neither Quality Laboratory nor STABILITY LABORATORY shows ads.

### Which is updated more often, Quality Laboratory or STABILITY LABORATORY?

Quality Laboratory ships an update every 3 weeks, and STABILITY LABORATORY every 3 months. Most recently, Quality Laboratory was updated on October 3, 2026 and STABILITY LABORATORY on September 30, 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.*