# EWM VENT Pro vs Weldwise

The clearest difference is in-app purchases: EWM VENT Pro at none against Weldwise's 3. EWM VENT Pro also leads on iOS requirement (13.0 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. Weldwise sells 3 in-app purchases, starting at $9.99 per month. EWM VENT Pro asks for nothing beyond the download.

## The numbers

| Metric | EWM VENT Pro | Weldwise |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 4 weeks |
| Size | 34 MB | 3 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [EWM GmbH](https://appshunter.io/developer/6773330995) | [ENES AYKUT AYDEMIR](https://appshunter.io/developer/6782291739) |

## What reviewers say

### EWM VENT Pro

[App page](https://appshunter.io/ios/app/ewm-vent-pro/id6773330993)

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

**In-app purchases:** none


### Weldwise

[App page](https://appshunter.io/ios/app/weldwise-welding-calculator/id6783706623)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weldwise Shop | $9.99 | per month |
| Weldwise Shop | $79.99 | per year |
| Weldwise Pro | $7.99 | one-time |


## Frequently asked questions

### Is EWM VENT Pro free?

EWM VENT Pro is free to download, with no in-app purchases.

### Is Weldwise free?

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

### Do EWM VENT Pro or Weldwise have ads?

Neither EWM VENT Pro nor Weldwise 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.*