# Installer App vs F

The clearest difference is review sentiment: Installer App at 53% against F's 33%. F's advantage is iOS requirement (13.4 vs 15.0). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Installer App ships an update every 5 weeks, F every 2 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Installer App | F |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (7 ratings)](https://appshunter.io/ios/app/installer-app/id423984641/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | **53.3% of reviews** | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 90 MB | 19 MB |
| Requires iOS | 15.0 | **13.4** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Danfoss A/S](https://appshunter.io/developer/423984644) | [Gestimat – Groupe Dehon](https://appshunter.io/developer/928450680) |

## What reviewers say

### Installer App

[App page](https://appshunter.io/ios/app/installer-app/id423984641)

This app provides HVAC professionals with a digital toolbox for everyday tasks. It offers product information, installation guides, and advanced features to streamline work, including project management and hydronic balancing tools.

**Highlights:** Radiator Presetting, Product Finder, My Projects (Cloud-based), Hydronic Balancing, Flow/Pressure Calculator, Floor Heating Tools, Burner Converter, Magnetic Tool

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### F

[App page](https://appshunter.io/ios/app/f-gas-solutions/id928450681)

This app helps professionals understand and comply with European F-Gas regulations. It provides tools for calculating refrigerant loads, determining leak detection frequencies, and identifying suitable process fluids for various equipment.

**Highlights:** F-Gas III regulation compliance, Refrigerant load calculation, Leak detection frequency guide, Process fluid and solution recommendations, Equipment and application specific guidance

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Installer App free?

Installer App is free to download, with no in-app purchases.

### Is F free?

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

### Do Installer App or F have ads?

Neither Installer App nor F shows ads.

### Which is updated more often, Installer App or F?

Installer App ships an update every 5 weeks, and F every 2 months. Most recently, Installer App was updated on October 24, 2026 and F on October 24, 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.*