FlowCheck vs viaSens
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
FlowCheck
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Full transparency at all times about your TROX drive solution and the operation of your system. The TROX Flow Check app turns your smartphone into a wireless on-site control for the latest generation of VAV, flap and valve actuators! Efficient commissioning, quick functional testing in operation, handy and always ready for service. Easily adapt when used. Document and send the setting and operating data.
viaSens
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The app βviaSensβ is used to do the commissioning of the SAUTER Smart Sensor viaSens. It gives you access to the configuration parameters of the SAUTER Smart Sensor product range. The connection to the Smart Sensors is established locally via Bluetooth LE. As soon as the Smart Sensors are provisioned to be in a Bluetooth mesh sensor network, the app locks all the sensors into the Bluetooth mesh network. The Smart Sensor App βviaSensβ has been developed for provisioning the sensors to be part of a Bluetooth mesh network. The following functions are supported in the app: β’ Handling of several projects with Smart Sensors β’ Creating different Bluetooth mesh networks in the project β’ Discovering and selecting of Smart Sensors β’ Adding Smart Sensors to be part of the Bluetooth mesh network β’ Configuring of the Smart Sensor, incl. configuration of the IoT connectivity (MQTT) of the Smart Sensor gateway β’ Locking Smart Sensors to be part of this unique Bluetooth mesh network. In addition, following functions are supported in the app as well: β’ Import / Export of configuration data β’ Firmware update of Smart Sensors (OTA with WiFi) β’ Live View of sensor including commanding LED ring in Bluetooth LE mode (Demo Mode)
Screenshots
Verdict
The clearest difference is update cadence: viaSens at every 7 months against FlowCheck's every 15 months. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
FlowCheck ships an update every 15 months, viaSens every 7 months. The most recent releases landed on September 9, 2026 and September 19, 2026 respectively.
| Parameter | FlowCheck | viaSens |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 15 months | Every 7 months β better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad, iPod β better |
| Requires iOS | 16.0 | 15.5 β better |
| Further details β not scored | ||
| Size | 15 MB | 71 MB |
| Age rating | 4+ | 4+ |
| Developer | TROX GmbH | Fr. Sauter AG |
In-app purchases
FlowCheck
No in-app purchases
viaSens
No in-app purchases








