ecoUnit vs dxLink21
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ecoUnit
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Control your room operating unit using Bluetooth® Smart technology. • Up to six function tiles are displayed at the same time in the application. • Swiping left or right reveals further tiles. • Six pages are available for grouping and assigning functions. • The tiles provide direct access to room functions – changing individual temperature setpoints, controlling window blinds and switching multiple lighting groups on and off.
dxLink21
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We innovate. Create. Together with you. A better climate. This App allows users to wirelessly connect to Belparts dynamx smart HVAC valves, used for heating and cooling applications in buildings. The user will be able to monitor the valve's activity and access data from the HVAC control process. Moreover it allows authorized users to configure the specific valve settings. There is no easier way to get your hydronic systems installed and properly commissioned than with the dynamx App! All the information you need is right there, on your smartphone or tablet. In dxLink21 App, authorized users can READS the basic settings and actual values of the valve. Additionally, they get access to advanced settings needed for commissioning of the valve. In order to receive the access, please contact your local representative for more information. ---------- Belparts is specialized in the development, production and marketing of components for the automation of HVAC systems (Heating, Ventilation, Air Conditioning) in buildings. Control valves, actuators, sensors and terminal controls are at the roots of its core competency. With the Dynamic Flow Networking concept, Belparts introduces a new method for the comfort control & energy management in buildings.
Screenshots
Verdict
The clearest difference is update cadence: dxLink21 at every 3 months against ecoUnit's every 16 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.
ecoUnit ships an update every 16 months, dxLink21 every 3 months. The most recent releases landed on October 26, 2026 and October 20, 2026 respectively.
| Parameter | ecoUnit | dxLink21 |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 16 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 15 MB | 134 MB |
| Age rating | 4+ | 4+ |
| Developer | Fr. Sauter AG | Belparts NV |
In-app purchases
ecoUnit
No in-app purchases
dxLink21
No in-app purchases









