# cnlab UX Test vs Stadler Form

The clearest difference is review sentiment: cnlab UX Test at 100% against Stadler Form's 0%. cnlab UX Test also leads on update cadence (every 2 months vs every 8 months). Stadler Form's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

cnlab UX Test ships an update every 2 months, Stadler Form every 8 months. The most recent releases landed on October 31, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | cnlab UX Test | Stadler Form |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (3 ratings)](https://appshunter.io/ios/app/stadler-form/id6444773634/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 8 months |
| Monetization | Free | Free |
| Size | 39 MB | 211 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 12+ |
| Developer | [cnlab Software AG](https://appshunter.io/developer/1748999072) | [Stadler Form Aktiengesellschaft](https://appshunter.io/developer/1656746115) |

## What reviewers say

### cnlab UX Test

[App page](https://appshunter.io/ios/app/cnlab-ux-test/id326450707)

This utility app measures and analyzes your internet connection's data rates and response times. It helps verify the performance of your ISP and is optimized for various environments, whether you're on a mobile network or at home via WLAN.

**Highlights:** Measures data rates, Analyzes response time, Verifies ISP connection, Provides home network info, Optimized for various environments

**Features:** Vision Pro support

**In-app purchases:** none


### Stadler Form

[App page](https://appshunter.io/ios/app/stadler-form/id6444773634)

Control your Stadler Form air treatment devices remotely via Wi-Fi. Monitor room air quality, adjust settings like power level and timer, and activate features such as auto-mode and child lock. Connect your compatible air humidifier or purifier quickly and easily.

**Highlights:** Remote device control, Wi-Fi and Bluetooth connectivity, Monitor room air values, Adjust power levels, Timer function, Auto-mode activation, Child lock

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is cnlab UX Test free?

cnlab UX Test is free to download, with no in-app purchases.

### Is Stadler Form free?

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

### Do cnlab UX Test or Stadler Form have ads?

Neither cnlab UX Test nor Stadler Form shows ads.

### Which is updated more often, cnlab UX Test or Stadler Form?

cnlab UX Test ships an update every 2 months, and Stadler Form every 8 months. Most recently, cnlab UX Test was updated on October 31, 2026 and Stadler Form on October 11, 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.*