# TORNADO EXPERT vs Image to PDF

The clearest difference is in-app purchases: TORNADO EXPERT at none against Image to PDF's 2. TORNADO EXPERT also leads on device support (3 vs 1) and iOS requirement (12.0 vs 17.6). On price and ads there is nothing between them.

Both are free to download. Image to PDF sells 2 in-app purchases, starting at $3.99 per 7 days. TORNADO EXPERT asks for nothing beyond the download.

## The numbers

| Metric | TORNADO EXPERT | Image to PDF |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | — |
| Size | 30 MB | 19 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [roi reuveny](https://appshunter.io/developer/1163471941) | [Volkan Kahraman](https://appshunter.io/developer/1687631115) |

## What reviewers say

### TORNADO EXPERT

[App page](https://appshunter.io/ios/app/tornado-expert/id1347695120)

**Features:** macOS Compatibility

**In-app purchases:** none


### Image to PDF

[App page](https://appshunter.io/ios/app/image-to-pdf-doc-scanner/id6760417715)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $3.99 | per 7 days |
| Annual Subscription | $29.99 | per year |


## Frequently asked questions

### Is TORNADO EXPERT free?

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

### Is Image to PDF free?

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

### Do TORNADO EXPERT or Image to PDF have ads?

Neither TORNADO EXPERT nor Image to PDF 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.*