FläktGroup K Factor vs Regin
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FläktGroup K Factor
This utility app helps calculate airflow and pressure for various fan products. Access detailed documentation for ATD, Chilled Beam, and AHU fan systems from the developer.
- Air flow calculation
- Pressure calculation
- ATD fan product documentation
- Chilled Beam fan product documentation
- AHU fan product documentation
- Intelligent Air-Technology solutions
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FläktGroup develops, manufactures, markets and distributes Intelligent Air-Technology based solutions with energy-efficient products and system solutions for Indoor Air Climate and Critical Air applications supporting building, infrastructure and industry ventilation. This application provides the facility to calculate air flow/pressure and access documentation for a wide range of our ATD, Chilled Beam and AHU fan products.
Regin
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Regin:GO is a powerful tool to use when commissioning Regin devices with Bluetooth, currently Regio RCX and SCS-S2 You can easily identify and configure devices just by being close. This is made possible via the Bluetooth connectivity. You can also upgrade firmware whenever new functionality is added by Regin. When you are connected a steady blue light from LED on the device will appear. You can also use the LED light to identify units from a distance when pressing “identify” in the device list. First the LED on the unit selected blinks in yellow for some seconds. See screenshots for more details.
Screenshots
Verdict
The clearest difference is iOS requirement: FläktGroup K Factor at 12.4 against Regin's 16. On price, update cadence, ads and in-app purchases 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.
Both ship on a similar rhythm, roughly every 6 months. The most recent releases landed on June 5, 2026 and September 7, 2026 respectively.
| Parameter | FläktGroup K Factor | Regin |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| Update frequency | Every 6 months | Every 6 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.4 — better | 16 |
| Further details — not scored | ||
| Size | 22 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | FlaktGroup Sweden AB | AB Regin |
In-app purchases
FläktGroup K Factor
No in-app purchases
Regin
No in-app purchases
