MQTT vs Oly
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MQTT
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The app has a control range with the ability to control between zero and five lights and doors, depending on the use case. By means of a red-green indicator, the user is shown the connection status of the server. In the settings area of the app the server connection details can be entered. Depending on the use case, the controls for the lights or doors can be switched on and off. For the individual lights and doors, the corresponding theme as well as the message can be set. In addition, further settings for the transmission can be selected.
Oly
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SmartKey Pro helps property owners and managers easily set up smart locks, manage bookings, and control access for guests and cleaning crews — all from one app. Simplify property management and enhance security with SmartKey Pro.
Screenshots
Verdict
MQTT and Oly are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
| Parameter | MQTT | Oly |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 11 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 2 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | Marco Gasser | Olympia Electronics |
In-app purchases
MQTT
No in-app purchases
Oly
No in-app purchases
