Comparison

dxLink21 vs Apollo ProFlow

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

Head to head
About

dxLink21

Features
Read full description

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.

About

Apollo ProFlow

Features
Read full description

Smart device for balancing of heating and cooling hydronic systems. Data of balancing valves of heading European producers included. Successfully can be used for accurate measuring of very small differential or gauge pressures.

Screenshots

dxLink213 screens
Apollo ProFlow4 screens

Verdict

The call

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

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

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

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on September 1, 2026 and September 19, 2026 respectively.

ScorecardNo meaningful differences
dxLink21 versus Apollo ProFlow: the parameters behind the verdict, then further details
ParameterdxLink21Apollo ProFlow
PriceFreeFree
Update frequencyEvery 3 monthsEvery 3 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.014.7 โ€” better
Further details โ€” not scored
Size134 MB43 MB
Age rating4+4+
DeveloperBelparts NVSV Technics

In-app purchases

None

dxLink21

No in-app purchases

None

Apollo ProFlow

No in-app purchases

Questions

Is dxLink21 free?
dxLink21 is free to download, with no in-app purchases.
Is Apollo ProFlow free?
Apollo ProFlow is free to download, with no in-app purchases.
Do dxLink21 or Apollo ProFlow have ads?
Neither dxLink21 nor Apollo ProFlow shows ads.
Which is updated more often, dxLink21 or Apollo ProFlow?
dxLink21 ships an update every 3 months, and Apollo ProFlow every 3 months. Most recently, dxLink21 was updated on September 1, 2026 and Apollo ProFlow on September 19, 2026.

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