FläktGroup K Factor vs VentLogIQ
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.
VentLogIQ
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VentLogIQ is a practical technical toolbox for ventilation and HVAC professionals. Designed for service technicians, air balancing technicians, installers and controls engineers, VentLogIQ brings useful calculations, diagnostics and field workflows together in one app. Use VentLogIQ for everyday troubleshooting, commissioning, service and air balancing work. Tools and features include: • Air balancing projects with systems, zones and terminals • Fast measurement entry and airflow comparison • Airflow Reports in PDF • CSV export of measurement data • Signal conversion • Sensor calculations • Modbus TCP monitoring • K-factor and airflow calculations • Air velocity to airflow calculations for circular and rectangular ducts • Fan laws • SFP calculations • Duct sizing • Duct pressure loss • Air change calculations • Heat recovery efficiency • Air heating and cooling calculations • Water heating and cooling calculations • Psychrometrics and dew point • Three-phase diagnostics • Filter diagnostics • Belt drive and pulley calculations • Pressure unit conversion • Pump rotation detection • Coil testing VentLogIQ Pro provides access to advanced workflows and tools, including the air balancing module. Pro features are currently available during the launch period. VentLogIQ is designed for quick use in the field, with support for multiple units, light and dark appearance, and both Swedish and English. Project and measurement data is stored locally on your device. The app works primarily offline, while Modbus TCP communication takes place directly on the local network. Measure. Calculate. Troubleshoot.
Screenshots
Verdict
The clearest difference is update cadence: VentLogIQ at every 2 days against FläktGroup K Factor's every 6 months. FläktGroup K Factor's advantage is device support (3 vs 1) and iOS requirement (12.4 vs 16.4). On price, 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.
FläktGroup K Factor ships an update every 6 months, VentLogIQ every 2 days. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.
| Parameter | FläktGroup K Factor | VentLogIQ |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| Update frequency | Every 6 months | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 12.4 — better | 16.4 |
| Further details — not scored | ||
| Size | 22 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | FlaktGroup Sweden AB | KARL DANIEL MIKAEL ERIKSSON |
In-app purchases
FläktGroup K Factor
No in-app purchases
VentLogIQ
No in-app purchases
Questions
Is FläktGroup K Factor free?
Is VentLogIQ free?
Do FläktGroup K Factor or VentLogIQ have ads?
Which is updated more often, FläktGroup K Factor or VentLogIQ?
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