# ElectroFusion Studio vs KRAH Pipe Calculation

The clearest difference is iOS requirement: KRAH Pipe Calculation at 12.0 against ElectroFusion Studio's 14.0. 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.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 29, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | ElectroFusion Studio | KRAH Pipe Calculation |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Size | 54 MB | 74 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [PF-Schweisstechnologie GmbH](https://appshunter.io/developer/1185794454) | [Krah GmbH](https://appshunter.io/developer/1379033149) |

## What reviewers say

### ElectroFusion Studio

[App page](https://appshunter.io/ios/app/electrofusion-studio/id1185794455)

**Features:** macOS Compatibility

**In-app purchases:** none


### KRAH Pipe Calculation

[App page](https://appshunter.io/ios/app/krah-pipe-calculation/id1379033150)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ElectroFusion Studio free?

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

### Is KRAH Pipe Calculation free?

KRAH Pipe Calculation is free to download, with no in-app purchases.

### Do ElectroFusion Studio or KRAH Pipe Calculation have ads?

Neither ElectroFusion Studio nor KRAH Pipe Calculation shows ads.

### Which is updated more often, ElectroFusion Studio or KRAH Pipe Calculation?

ElectroFusion Studio ships an update every 2 months, and KRAH Pipe Calculation every 2 months. Most recently, ElectroFusion Studio was updated on September 29, 2026 and KRAH Pipe Calculation on October 10, 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.*