# FläktGroup K Factor vs Lindab OneSet

FläktGroup K Factor and Lindab OneSet are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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 October 5, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | FläktGroup K Factor | Lindab OneSet |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | Every 6 months |
| Monetization | Free | — |
| Size | 22 MB | 9 MB |
| Requires iOS | **12.4** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [FlaktGroup Sweden AB](https://appshunter.io/developer/508731755) | [Lindab AB](https://appshunter.io/developer/840158686) |

## What reviewers say

### FläktGroup K Factor

[App page](https://appshunter.io/ios/app/flaktgroup-k-factor/id508731752)

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.

**Highlights:** Air flow calculation, Pressure calculation, ATD fan product documentation, Chilled Beam fan product documentation, AHU fan product documentation, Intelligent Air-Technology solutions

**Features:** macOS Compatibility

**In-app purchases:** none


### Lindab OneSet

[App page](https://appshunter.io/ios/app/lindab-oneset/id1565153948)

**In-app purchases:** none


## Frequently asked questions

### Is FläktGroup K Factor free?

FläktGroup K Factor is free to download, with no in-app purchases.

### Is Lindab OneSet free?

Lindab OneSet is free to download, with no in-app purchases.

### Do FläktGroup K Factor or Lindab OneSet have ads?

Neither FläktGroup K Factor nor Lindab OneSet shows ads.

### Which is updated more often, FläktGroup K Factor or Lindab OneSet?

FläktGroup K Factor ships an update every 6 months, and Lindab OneSet every 6 months. Most recently, FläktGroup K Factor was updated on October 5, 2026 and Lindab OneSet on October 25, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*