# wNOTIFY2 vs x

The clearest difference is update cadence: x at monthly against wNOTIFY2's every 3 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.

wNOTIFY2 ships an update every 3 months, x monthly. The most recent releases landed on October 4, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | wNOTIFY2 | x |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 56.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | — | Free |
| Size | 45 MB | 282 MB |
| Requires iOS | 15.5 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [UBH Software & Engineering](https://appshunter.io/developer/1368469932) | [Kermi GmbH](https://appshunter.io/developer/879996391) |

## What reviewers say

### wNOTIFY2

[App page](https://appshunter.io/ios/app/wnotify2/id1466201470)

**Features:** macOS Compatibility

**In-app purchases:** none


### x

[App page](https://appshunter.io/ios/app/x-center/id1531279688)

Control your heat pump system remotely with this app. Monitor performance, create custom scenes, and view statistics from anywhere. No extra hardware is needed to get started.

**Highlights:** Remote heat pump control, Comprehensive system monitoring, Customizable scenes, Statistics and overviews, Alarm and warning notifications, Dark and light mode

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is wNOTIFY2 free?

wNOTIFY2 is free to download, with no in-app purchases.

### Is x free?

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

### Do wNOTIFY2 or x have ads?

Neither wNOTIFY2 nor x shows ads.

### Which is updated more often, wNOTIFY2 or x?

wNOTIFY2 ships an update every 3 months, and x monthly. Most recently, wNOTIFY2 was updated on October 4, 2026 and x 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.*