dxLink21 vs em | connect
Price, ratings, monetisation and update history for both apps, side by side โ 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.
em | connect
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Connect to bluetooth low energy beacons to configure them in various mode: iBeacon Eddystone URL Eddystone UID Altbeacon Manufacturer Specific Data
Screenshots
Verdict
The clearest difference is iOS requirement: em | connect at 13.0 against dxLink21's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท 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, em | connect every 2 months. The most recent releases landed on October 20, 2026 and October 14, 2026 respectively.
| Parameter | dxLink21 | em | connect |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months | Every 2 months โ better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod โ better | iPhone, iPod |
| Requires iOS | 15.0 | 13.0 โ better |
| Further details โ not scored | ||
| Size | 134 MB | 40 MB |
| Age rating | 4+ | 4+ |
| Developer | Belparts NV | Vamsi Rajulapudi |
In-app purchases
dxLink21
No in-app purchases
em | connect
No in-app purchases









