# Installer App vs ViParts

The clearest difference is review sentiment: Installer App at 50% against ViParts's 15%. 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, ViParts every 3 weeks. The most recent releases landed on October 1, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Installer App | ViParts |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (7 ratings)](https://appshunter.io/ios/app/installer-app/id423984641/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | **50.0% of reviews** | 15.4% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 90 MB | 33 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Danfoss A/S](https://appshunter.io/developer/423984644) | [Viessmann IT Service GmbH](https://appshunter.io/developer/1801739683) |

## 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


### ViParts

[App page](https://appshunter.io/ios/app/viparts/id6477911742)

Access comprehensive information on spare parts and place orders directly. Identify parts using exploded drawings, barcode scanning, and compatibility checks. View technical documents and check availability and pricing.

**Highlights:** Spare part identification via exploded drawings, Barcode scanner for material numbers, Maintenance parts display, Product and spare part compatibility check, Direct spare part ordering, Access to technical documents, Availability and price display

**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 ViParts free?

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

### Do Installer App or ViParts have ads?

Neither Installer App nor ViParts shows ads.

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

Installer App ships an update every 5 weeks, and ViParts every 3 weeks. Most recently, Installer App was updated on October 1, 2026 and ViParts on September 16, 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.*