Comparison

Duct Sensor Assistant vs Elvaco OTC

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Duct Sensor Assistant

Features
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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

About

Elvaco OTC

Read full description

The Elvaco OTC App makes configuring and deployment of your devices easy! Features of Elvaco OTC App: - Claim devices and associated keys to your user account. - Scan and write settings to your devices. - Create configuration profiles to facilitate deployment and configuration. - Lock your devices to prevent unauthorized access. Do you have questions or feedback about the app? Feel free to contact info@elvaco.se

Screenshots

Duct Sensor Assistant4 screens
Elvaco OTC4 screens

Verdict

The call

The clearest difference is update cadence: Elvaco OTC at monthly against Duct Sensor Assistant's every 6 months. Duct Sensor Assistant's advantage is iOS requirement (12.0 vs 15.0). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Duct Sensor Assistant ships an update every 6 months, Elvaco OTC monthly. The most recent releases landed on September 16, 2026 and September 23, 2026 respectively.

Scorecard2 real differences · 4 level
Duct Sensor Assistant versus Elvaco OTC: the parameters behind the verdict, then further details
ParameterDuct Sensor AssistantElvaco OTC
PriceFreeFree
Update frequencyEvery 6 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS12.0 — better15.0
Further details — not scored
Size31 MB14 MB
Age rating4+4+
DeveloperBELIMO Automation AGElvaco AB

In-app purchases

None

Duct Sensor Assistant

No in-app purchases

None

Elvaco OTC

No in-app purchases

Questions

Is Duct Sensor Assistant free?
Duct Sensor Assistant is free to download, with no in-app purchases.
Is Elvaco OTC free?
Elvaco OTC is free to download, with no in-app purchases.
Do Duct Sensor Assistant or Elvaco OTC have ads?
Neither Duct Sensor Assistant nor Elvaco OTC shows ads.
Which is updated more often, Duct Sensor Assistant or Elvaco OTC?
Duct Sensor Assistant ships an update every 6 months, and Elvaco OTC monthly. Most recently, Duct Sensor Assistant was updated on September 16, 2026 and Elvaco OTC on September 23, 2026.

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