# TracPipe System Guide vs ViParts

The clearest difference is update cadence: ViParts at every 3 weeks against TracPipe System Guide's every 9 months. ViParts also leads on monetization model (free vs ad-supported). TracPipe System Guide's advantage is review sentiment (33% vs 14%). On price, ads, in-app purchases and device support there is nothing between them.

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

TracPipe System Guide ships an update every 9 months, ViParts every 3 weeks. The most recent releases landed on November 1, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | TracPipe System Guide | ViParts |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (9 ratings)](https://appshunter.io/ios/app/tracpipe-system-guide/id996885333/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | **33.3% of reviews** | 14.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 3 weeks** |
| Monetization | Ad-supported | **Free** |
| Size | 33 MB | 33 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Omega Flex, Inc.](https://appshunter.io/developer/996885332) | [Viessmann IT Service GmbH](https://appshunter.io/developer/1801739683) |

## What reviewers say

### TracPipe System Guide

[App page](https://appshunter.io/ios/app/tracpipe-system-guide/id996885333)

This application helps users calculate the correct size of flexible gas piping for installations. It supports various sizing methods and gas types, providing accurate results based on selected parameters. Users can also access updated design guides and installation instructions.

**Highlights:** Flexible gas piping sizing calculator, Supports Longest Run or Branch length methods, Calculates capacity based on gas type, pressure, and pressure drop, Easy-to-use calculator wheel, Access to updated Design Guide and Installation Instructions, Find a Sales Representative feature

**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 TracPipe System Guide free?

TracPipe System Guide is free to download, with no in-app purchases.

### Is ViParts free?

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

### Do TracPipe System Guide or ViParts have ads?

Neither TracPipe System Guide nor ViParts shows ads.

### Which is updated more often, TracPipe System Guide or ViParts?

TracPipe System Guide ships an update every 9 months, and ViParts every 3 weeks. Most recently, TracPipe System Guide was updated on November 1, 2026 and ViParts on November 8, 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.*