# Installer App vs Prolon Focus

The clearest difference is rating: Prolon Focus at 4.5 against Installer App's 3.0. Prolon Focus also leads on ratings volume (85 vs 7) and review sentiment (67% vs 53%). Installer App's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Prolon Focus holds the better App Store score, 4.5 against 3.0. That said, the two scores are not equally well evidenced: Prolon Focus has 85 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 53% of Installer App's written reviews are positive against 67% of Prolon Focus's.

Installer App ships an update every 5 weeks, Prolon Focus fortnightly. The most recent releases landed on October 14, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Installer App | Prolon Focus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (7 ratings)](https://appshunter.io/ios/app/installer-app/id423984641/reviews) | **[4.5 (85 ratings)](https://appshunter.io/ios/app/prolon-focus/id1050748696/reviews)** |
| Number of ratings | 7 | **85** |
| Positive reviews | 53.3% of reviews | **66.7% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Fortnightly** |
| Monetization | **Free** | Ad-supported |
| Size | 90 MB | 48 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Danfoss A/S](https://appshunter.io/developer/423984644) | [Prolon Inc](https://appshunter.io/developer/1050748695) |

## 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


### Prolon Focus

[App page](https://appshunter.io/ios/app/prolon-focus/id1050748696)

This app offers a graphical interface for visualizing and configuring Prolon zoning systems. It supports cloud storage for projects, allowing sharing and note attachment. Snapshots can also be created and transferred between users.

**Highlights:** Visualize Prolon zoning systems, Configure Prolon zoning systems, Graphical user interface, Cloud storage for projects, Share projects with users, Attach project notes, Create and copy snapshots

**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 Prolon Focus free?

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

### Which has better reviews, Installer App or Prolon Focus?

Prolon Focus is rated higher. Installer App averages 3.0 out of 5 from 7 ratings, while Prolon Focus averages 4.5 from 85 ratings.

### Do Installer App or Prolon Focus have ads?

Prolon Focus shows ads; Installer App does not.

### Which is updated more often, Installer App or Prolon Focus?

Installer App ships an update every 5 weeks, and Prolon Focus fortnightly. Most recently, Installer App was updated on October 14, 2026 and Prolon Focus on October 6, 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.*