# Stadler Form vs 9PM Routine

The clearest difference is ads: Stadler Form at none against 9PM Routine's shown. Stadler Form also leads on iOS requirement (13.0 vs 15.0). On price, update cadence, 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.

Both ship on a similar rhythm, roughly every 8 months. The most recent releases landed on June 1, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Stadler Form | 9PM Routine |
| --- | --- | --- |
| 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** | Yes |
| Update frequency | Every 8 months | Every 8 months |
| Monetization | Free | — |
| Size | 211 MB | 54 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Stadler Form Aktiengesellschaft](https://appshunter.io/developer/1656746115) | [Radek Sip](https://appshunter.io/developer/1476968164) |

## What reviewers say

### 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


### 9PM Routine

[App page](https://appshunter.io/ios/app/9pm-routine/id6737813273)

**In-app purchases:** none


## Frequently asked questions

### Is Stadler Form free?

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

### Is 9PM Routine free?

9PM Routine is free to download, with no in-app purchases.

### Do Stadler Form or 9PM Routine have ads?

9PM Routine shows ads; Stadler Form does not.

### Which is updated more often, Stadler Form or 9PM Routine?

Stadler Form ships an update every 8 months, and 9PM Routine every 8 months. Most recently, Stadler Form was updated on June 1, 2026 and 9PM Routine on September 13, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*