WindyTool vs Duct Sensor Assistant
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
WindyTool
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The WINDY application will allow you to easily connect to your intelligent controller to manage your comfort parameters. Via a Bluetooth Low Energy (BLE) connection, the WINDY application allows you to consult and act on : • Room temperature • The blowing force of the fan • The occupation, you hadn't planned to be there? Turn on the heating! • Switching the regulation on or off You can securely log in with your personalised access code (optional feature). ARE YOU AN ELECTRICIAN OR INSTALLER? THIS APPLICATION IS ALSO MADE FOR YOU! Always in Bluetooth, you connect from your mobile phone with your access code, so you can test your connection, view the status, change a setting... The application allows you to fully configure your WINDY, to easily find the cause of a failure and to act quickly by performing manual forcing. Need to locate your WINDY? The WINDY and its SmartSensor wall sensor will flash to show you the right connection to your device. The intelligent communication between the WINDY, the SmartSensor and the mobile application ensures total synchronisation, no more false displays! YOU WANT TO TEST? Demo mode is there for, project yourself into the WINDY universe!
Duct Sensor Assistant
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Via the Belimo Duct Sensor Assistant App it is possible to extend the range of use and to adapt the configuration individually to application requirements. A Bluetooth® dongle is required for configuration via the Belimo Duct Sensor Assistant App (sold separately, A-22G-A05). Features: • Communication via Bluetooth BLE • Bluetooth Dongle A-22G-A05 required, which will communicate with the sensor via a Micro-USB-connector • Can be used for the following sensors: 22ADP-.., 22DTH-..5.., 22DTH-..6.., 22DC-..3, 22DTC-.., 22DTM-.., 22DCV-.., 22DCM-.., 22DCK-.., 22UTH-..50X, 22UTH-..60X • Supported languages DE, EN, FR, IT, ES, PT Configuration options: • Individual configuration of output signals • Setting of different measuring ranges • Additional adjustment of offset values • Parameterization of Live-Zero-Signal (2..10 V etc.) and the system of units • Setting options for display indications • Customized parameterization of traffic-light function (TLF) • Extension of the physical bus address • Store settings on the mobile device and load on other sensors • Representation and output of the differential pressure as a volume flow value
Screenshots
Verdict
The clearest difference is update cadence: WindyTool at every 2 months against Duct Sensor Assistant's every 6 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.
WindyTool ships an update every 2 months, Duct Sensor Assistant every 6 months. The most recent releases landed on October 18, 2026 and October 6, 2026 respectively.
| Parameter | WindyTool | Duct Sensor Assistant |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months — better | Every 6 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 67 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | wit | BELIMO Automation AG |
In-app purchases
WindyTool
No in-app purchases
Duct Sensor Assistant
No in-app purchases
Questions
Is WindyTool free?
Is Duct Sensor Assistant free?
Do WindyTool or Duct Sensor Assistant have ads?
Which is updated more often, WindyTool or Duct Sensor Assistant?
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