# Installer App vs iCalcDbit 6

The clearest difference is price: Installer App at Free against iCalcDbit 6's $3.99. Installer App also leads on update cadence (every 5 weeks vs every 22 months) and device support (3 vs 1). On ads and in-app purchases there is nothing between them.

Installer App is free to download; iCalcDbit 6 costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Installer App ships an update every 5 weeks, iCalcDbit 6 every 22 months. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Installer App | iCalcDbit 6 |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | **[3.0 (7 ratings)](https://appshunter.io/ios/app/installer-app/id423984641/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 53.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 22 months |
| Monetization | Free | — |
| Size | 90 MB | 1 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Danfoss A/S](https://appshunter.io/developer/423984644) | [Fabien NISSEN](https://appshunter.io/developer/498199668) |

## 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


### iCalcDbit 6

[App page](https://appshunter.io/ios/app/icalcdbit-6/id1550989744)

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

**In-app purchases:** none


## Frequently asked questions

### Is Installer App free?

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

### Is iCalcDbit 6 free?

iCalcDbit 6 costs $3.99, with no in-app purchases.

### Do Installer App or iCalcDbit 6 have ads?

Neither Installer App nor iCalcDbit 6 shows ads.

### Which is updated more often, Installer App or iCalcDbit 6?

Installer App ships an update every 5 weeks, and iCalcDbit 6 every 22 months. Most recently, Installer App was updated on October 24, 2026 and iCalcDbit 6 on October 29, 2026.

---

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