MQTT vs Claudion Checkin
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MQTT
Read full descriptionHide full description
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.
Claudion Checkin
Read full descriptionHide full description
Boost workplace efficiency with SmartCheck, the ultimate employee check-in solution designed for modern teams. Whether you’re managing on-site staff or a mobile workforce, SmartCheck makes attendance and trip tracking effortless.
Screenshots
Verdict
The clearest difference is update cadence: Claudion Checkin at every 3 weeks against MQTT'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.
MQTT ships an update every 11 months, Claudion Checkin every 3 weeks. The most recent releases landed on October 24, 2026 and October 18, 2026 respectively.
| Parameter | MQTT | Claudion Checkin |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 11 months | Every 3 weeks — better |
| 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 | 39 MB |
| Age rating | 4+ | 4+ |
| Developer | Marco Gasser | Hi Tech Systems |
In-app purchases
MQTT
No in-app purchases
Claudion Checkin
No in-app purchases
