Comparison

Flexcon PA vs dxLink21

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

Head to head
About

Flexcon PA

Features
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The Flamco Flexcon PA pressure assistant monitors pressurization of heating systems. The Flexcon PA periodically measures system pressure and stores the measurements in a log file. In collaboration with this app it analyzes system functions, assisting the installer and end-user in (preventive) maintenance tasks. With the app it’s possible to: - Calculate the correct fill-pressure and expansion vessel size - Load, analyse and share log files - Schedule any periodic maintenance interval - Monitor pressure levels, leak detection, expansion vessel end of life span - Configure the Flexcon PA and Flexcon PA AutoFill - Remote control the Flexcon PA AutoFill - View the instruction manual - Update the Flexcon PA firmware - Protect the installer settings by a login/password End-user view with: - Instructional video how to easily top-up the heating system - Easy to use expansion vessel sizing and safety valve calculator - Contact details of the installer - Share log file with the installer for remote support

About

dxLink21

Features
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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

Flexcon PA2 screens
dxLink213 screens

Verdict

The call

Flexcon PA and dxLink21 are too close to call on the numbers: across 6 compared parameters β€” price, update cadence, ads and in-app purchases among them β€” neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

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

UpkeepUpdate frequency

Flexcon PA ships an update every 4 months, dxLink21 every 3 months. The most recent releases landed on October 26, 2026 and October 29, 2026 respectively.

ScorecardNo meaningful differences
Flexcon PA versus dxLink21: the parameters behind the verdict, then further details
ParameterFlexcon PAdxLink21
PriceFreeFree
Update frequencyEvery 4 monthsEvery 3 months β€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.615.0 β€” better
Further details β€” not scored
Size33 MB134 MB
Age rating4+4+
DeveloperFlamco GroupBelparts NV

In-app purchases

None

Flexcon PA

No in-app purchases

None

dxLink21

No in-app purchases

Questions

Is Flexcon PA free?
Flexcon PA is free to download, with no in-app purchases.
Is dxLink21 free?
dxLink21 is free to download, with no in-app purchases.
Do Flexcon PA or dxLink21 have ads?
Neither Flexcon PA nor dxLink21 shows ads.
Which is updated more often, Flexcon PA or dxLink21?
Flexcon PA ships an update every 4 months, and dxLink21 every 3 months. Most recently, Flexcon PA was updated on October 26, 2026 and dxLink21 on October 29, 2026.

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