# Fernwärme App vs Vaira

The clearest difference is price: Vaira at Free against Fernwärme App's $12.99. Vaira also leads on update cadence (weekly vs every 2 months). Fernwärme App's advantage is iOS requirement (12.1 vs 16.6). On ads, in-app purchases and device support there is nothing between them.

Vaira is free to download; Fernwärme App costs $12.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Fernwärme App ships an update every 2 months, Vaira weekly. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Fernwärme App | Vaira |
| --- | --- | --- |
| Price | $12.99 | **Free** |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Paid | — |
| Size | 43 MB | 62 MB |
| Requires iOS | **12.1** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Steffen Weber](https://appshunter.io/developer/1456703068) | [Vaira](https://appshunter.io/developer/1490411209) |

## What reviewers say

### Fernwärme App

[App page](https://appshunter.io/ios/app/fernwarme-app/id1457492713)

This app assists professionals in industrial and heating pipe construction. It offers detailed calculations for pipe spacing, dimensions, weight, and material requirements, including specialized functions for different pipe types and components. It also provides tools for volume calculations and comparisons of pipe diameters.

**Highlights:** Industrial pipe calculations, Heating pipe calculations, Dimension and weight calculations, Borehole execution proposals, Support structure design, Volume calculation for pressure testing, Pipe diameter comparisons

**Features:** macOS Compatibility

**In-app purchases:** none


### Vaira

[App page](https://appshunter.io/ios/app/vaira/id1532739445)

**In-app purchases:** none


## Frequently asked questions

### Is Fernwärme App free?

Fernwärme App costs $12.99, with no in-app purchases.

### Is Vaira free?

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

### Do Fernwärme App or Vaira have ads?

Neither Fernwärme App nor Vaira shows ads.

### Which is updated more often, Fernwärme App or Vaira?

Fernwärme App ships an update every 2 months, and Vaira weekly. Most recently, Fernwärme App was updated on October 24, 2026 and Vaira on October 29, 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.*