IDController vs Zennio Key
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
IDController
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Aplicación para el control de tu vivienda mediante dispositivos KNX
Zennio Key
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Zennio Key app allows you to download in your smartphone the Bluetooth key to access your room during your stay in a hotel with the Zennio Access Control system installed: Z-Access. Zennio Key enables contactless access, completing the check-in process already available in many hotels where the guest is not required to personally go to reception to pick up the room key. This App is only compatible with Zennio Access control systems.
Screenshots
Verdict
The clearest difference is update cadence: Zennio Key at every 3 weeks against IDController's every 11 months. On price, ads, in-app purchases and device support 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
IDController ships an update every 11 months, Zennio Key every 3 weeks. The most recent releases landed on September 18, 2026 and August 18, 2026 respectively.
| Parameter | IDController | Zennio Key |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 11 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.4 | 15.0 — better |
| Further details — not scored | ||
| Size | 38 MB | 24 MB |
| Age rating | 4+ | 4+ |
| Developer | onna | Zennio |
In-app purchases
IDController
No in-app purchases
Zennio Key
No in-app purchases
Questions
Is IDController free?
Is Zennio Key free?
Do IDController or Zennio Key have ads?
Which is updated more often, IDController or Zennio Key?
Other comparisons
