# explainEN287 vs voestalpine Welding Calculator

The clearest difference is update cadence: voestalpine Welding Calculator at every 3 months against explainEN287's every 20 months. 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.

explainEN287 ships an update every 20 months, voestalpine Welding Calculator every 3 months. The most recent releases landed on October 31, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | explainEN287 | voestalpine Welding Calculator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 20 months | **Every 3 months** |
| Size | 1 MB | 38 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Georg Rose](https://appshunter.io/developer/521567472) | [voestalpine AG](https://appshunter.io/developer/385706279) |

## What reviewers say

### explainEN287

[App page](https://appshunter.io/ios/app/explainen287/id656646286)

**Features:** macOS Compatibility

**In-app purchases:** none


### voestalpine Welding Calculator

[App page](https://appshunter.io/ios/app/voestalpine-welding-calculator/id1436271693)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is explainEN287 free?

explainEN287 is free to download, with no in-app purchases.

### Is voestalpine Welding Calculator free?

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

### Do explainEN287 or voestalpine Welding Calculator have ads?

Neither explainEN287 nor voestalpine Welding Calculator shows ads.

### Which is updated more often, explainEN287 or voestalpine Welding Calculator?

explainEN287 ships an update every 20 months, and voestalpine Welding Calculator every 3 months. Most recently, explainEN287 was updated on October 31, 2026 and voestalpine Welding Calculator on October 26, 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.*