# OwnerChip Discovery vs Stadler Form

The clearest difference is update cadence: OwnerChip Discovery at every 2 months against Stadler Form's every 8 months. 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.

OwnerChip Discovery ships an update every 2 months, Stadler Form every 8 months. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | OwnerChip Discovery | 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 | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 8 months |
| Monetization | — | Free |
| Size | 36 MB | 211 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [OwnerChip GmbH](https://appshunter.io/developer/1659737238) | [Stadler Form Aktiengesellschaft](https://appshunter.io/developer/1656746115) |

## What reviewers say

### OwnerChip Discovery

[App page](https://appshunter.io/ios/app/ownerchip-discovery/id1670632758)

**Features:** macOS Compatibility

**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 OwnerChip Discovery free?

OwnerChip Discovery 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 OwnerChip Discovery or Stadler Form have ads?

Neither OwnerChip Discovery nor Stadler Form shows ads.

### Which is updated more often, OwnerChip Discovery or Stadler Form?

OwnerChip Discovery ships an update every 2 months, and Stadler Form every 8 months. Most recently, OwnerChip Discovery was updated on November 7, 2026 and Stadler Form on November 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.*