Comparison

whiteAIR vs x

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

whiteAIR

Control, automate, and monitor your decentralized ventilation system from your smartphone. Achieve healthy, energy-efficient home ventilation with ease.

Highlights
  • Remote system control
  • Automation capabilities
  • Real-time monitoring
  • Smartphone integration
  • Energy-efficient operation
Read full description

Experience the future of home ventilation. With the whiteAIR app, you can conveniently control, automate and monitor your decentralized ventilation system via your smartphone in combination with its control unit. Healthy, energy-efficient ventilation has never been so easy.

About

x

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
Read full description

Die Kermi App x-center macht Ihren Alltag ein starkes Stück komfortabler und einfacher. Damit haben Sie ihr Heizsystem mit der Wärmepumpe ganz einfach und bequem im Griff. Wann immer Sie wollen und wo immer Sie gerade sind – von zu Hause oder von unterwegs. Zur Steuerung Ihrer Wärmepumpe via App ist keine zusätzliche Hardware notwendig. Einfach unter www.x-center.systems registrieren, den Onlinezugriff auf Ihre Anlage beantragen, in der App ein neues Verbindungsprofil mit Ihren Registrierungsdaten erstellen und los geht’s. Die Kermi App x-center bietet Ihnen Folgendes: • Komfortable Steuerung & umfassendes Monitoring Ihrer Wärmepumpe x-change dynamic pro sowie für alle an der Wärmepumpe angeschlossenen Komponenten - vor Ort und aus der Ferne • Erstellung von individuellen und personalisierten Szenen • Eine umfassende Statistik-Funktion • Visualisierung von Alarm- und Warnmeldungen • Verschiedenste Übersichten für Ihre Wärmepumpe - alle wichtigen Informationen auf einen Blick • Individuelle und personalisierbare Favoriten-Funktion • Dark- und Light-Mode Anleitungen zur Registrierung sowie zum Freischalten des Onlinezugriffes finden Sie unter: www.x-center.systems

Screenshots

whiteAIR4 screens
x4 screens

Verdict

The call

The clearest difference is update cadence: x at every 6 weeks against whiteAIR's every 8 months. On price, ads, in-app purchases and monetization model there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

whiteAIR ships an update every 8 months, x every 6 weeks. The most recent releases landed on June 23, 2026 and September 2, 2026 respectively.

Scorecard1 real difference · 9 level
whiteAIR versus x: the parameters behind the verdict, then further details
ParameterwhiteAIRx
PriceFreeFree
Rating1.0 (1 ratings) — better—
Positive reviews—56.3% of reviews
Number of ratings1 — better—
Update frequencyEvery 8 monthsEvery 6 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.015.0
Further details — not scored
Size23 MB282 MB
Age rating4+4+
DeveloperKlimatechnik Weiss GmbHKermi GmbH

Customer experience

whiteAIR

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%

x

Written reviews16 reviews
Positive56.3%
Neutral6.3%
Negative37.5%

In-app purchases

None

whiteAIR

No in-app purchases

None

x

No in-app purchases

Questions

Is whiteAIR free?
whiteAIR is free to download, with no in-app purchases.
Is x free?
x is free to download, with no in-app purchases.
Do whiteAIR or x have ads?
Neither whiteAIR nor x shows ads.
Which is updated more often, whiteAIR or x?
whiteAIR ships an update every 8 months, and x every 6 weeks. Most recently, whiteAIR was updated on June 23, 2026 and x on September 2, 2026.

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