MSV LENO™ vs dxLink21
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MSV LENO™
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LENO™ is a product range of manual balancing valves created to make life easier for engineers and installers. Use this app to verify the flow in different LENO™ valves. Select the valve and the desired dimension and get the answer immediately. A handy tool for all HVAC professionals. --- Danfoss is a leading company in the heating industry offering a wide range of components and solutions for generation, distribution and use of heat for comfort and energy savings in home and buildings. By continuously improving products and services, we strive to build strong relations to customers and business partners throughout the value chain. We have manufacturing facilities in more than 10 countries, and sales companies and agents in all heating markets worldwide. ---
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 MSV LENO™'s every 7 months. MSV LENO™'s advantage is iOS requirement (6.0 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
MSV LENO™ ships an update every 7 months, dxLink21 every 3 months. The most recent releases landed on October 10, 2026 and October 18, 2026 respectively.
| Parameter | MSV LENO™ | dxLink21 |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 7 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 6.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 190 MB | 134 MB |
| Age rating | 4+ | 4+ |
| Developer | Danfoss A/S | BELPARTS |
In-app purchases
MSV LENO™
No in-app purchases
dxLink21
No in-app purchases









