# Launch vs WeldCalc Pro

The clearest difference is in-app purchases: Launch at none against WeldCalc Pro's 2. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. WeldCalc Pro sells 2 in-app purchases, starting at $1.99 per 7 days. Launch asks for nothing beyond the download.

## The numbers

| Metric | Launch | WeldCalc Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 3 weeks |
| Size | 55 MB | 21 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Garnet Instruments Ltd.](https://appshunter.io/developer/1148117796) | [Ersel Tarhan](https://appshunter.io/developer/1093545232) |

## What reviewers say

### Launch

[App page](https://appshunter.io/ios/app/launch/id6754263685)

**Features:** macOS Compatibility

**In-app purchases:** none


### WeldCalc Pro

[App page](https://appshunter.io/ios/app/weldcalc-pro-welding-calc/id6759536437)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $1.99 | per 7 days |
| Annual Premium | $19.99 | per year |


## Frequently asked questions

### Is Launch free?

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

### Is WeldCalc Pro free?

WeldCalc Pro is free to download, with in-app purchases available.

### Do Launch or WeldCalc Pro have ads?

Neither Launch nor WeldCalc Pro shows ads.

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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.*