dxLink21 vs Belimo Assistant 2
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
Belimo Assistant 2
This app allows for the setup, operation, and troubleshooting of Belimo devices like actuators and valves using a smartphone or tablet. It offers features for checking parameters, monitoring device status, and generating reports.
- Device parameter modification
- Identification data display
- MP-Bus, BACnet, Modbus addressing
- Guided parameter setup
- Configuration copy/paste
- Live trending and local override
- Device health and operation monitoring
- Digital report generation
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Belimo Assistant 2 enables wired and wireless setup, on-site operation, and troubleshooting of Belimo damper actuators, control valves, sensors and meters with smartphone and tablet. Key features: • Check and modify device setting parameters • Display identification data: device type, position, designation, serial number, bus address • Addressing (MP-Bus, BACnet, Modbus, TCP/IP) • Setup: guided parameter setup for your device • Copy/Paste configuration: replicate settings for same device type • Live Trend: perform local override and live trending with easy share function • Health: monitor overall device and operation status. E.g. Power supply, Bus state, Sensor state, etc. • Operation: monitor device KPIs with live updates • Reports: retrieve digital reports of your device with easy share function. E.g. Calibration certificate, Commissioning report • Export Device Configuration: create log file with easy share function • In-app language adjustment (EN/DE/FR/IT/ES/CN/RU) Accessories: • LINK.10 (Converter Bluetooth / NFC) Notes • The App can be installed on iPhones or iPads with iOS 17+
Screenshots
Verdict
The clearest difference is update cadence: Belimo Assistant 2 at every 5 weeks against dxLink21's every 3 months. dxLink21's advantage is iOS requirement (15.0 vs 17.0). 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
dxLink21 ships an update every 3 months, Belimo Assistant 2 every 5 weeks. The most recent releases landed on September 1, 2026 and September 16, 2026 respectively.
| Parameter | dxLink21 | Belimo Assistant 2 |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.4 (10 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 10 — better |
| Update frequency | Every 3 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 134 MB | 122 MB |
| Age rating | 4+ | 4+ |
| Developer | Belparts NV | BELIMO Automation AG |
In-app purchases
dxLink21
No in-app purchases
Belimo Assistant 2
No in-app purchases









