# Rehm vs KPS Welding

The clearest difference is iOS requirement: Rehm at 8.0 against KPS Welding's 15.6. 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 4 months. The most recent releases landed on October 18, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Rehm | KPS Welding |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | Every 4 months |
| Size | 35 MB | 40 MB |
| Requires iOS | **8.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Codana GmbH](https://appshunter.io/developer/1133125230) | [Elaso AG](https://appshunter.io/developer/1487621454) |

## What reviewers say

### Rehm

[App page](https://appshunter.io/ios/app/rehm/id1454030325)

**Features:** macOS Compatibility

**In-app purchases:** none


### KPS Welding

[App page](https://appshunter.io/ios/app/kps-welding/id1487621455)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Rehm free?

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

### Is KPS Welding free?

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

### Do Rehm or KPS Welding have ads?

Neither Rehm nor KPS Welding shows ads.

### Which is updated more often, Rehm or KPS Welding?

Rehm ships an update every 4 months, and KPS Welding every 4 months. Most recently, Rehm was updated on October 18, 2026 and KPS Welding on October 3, 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.*