# PDF Compressor vs ModelWitch

The clearest difference is iOS requirement: PDF Compressor at 13.0 against ModelWitch's 17.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. PDF Compressor sells 3 in-app purchases, starting at $0.99 per 7 days and ModelWitch sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | PDF Compressor | ModelWitch |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | — | Every 4 days |
| Size | 15 MB | 9 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Age rating | 4+ | 17+ |
| Developer | [Kevin Rupareliya](https://appshunter.io/developer/1768692577) | [Lumenif OÜ](https://appshunter.io/developer/1846205412) |

## What reviewers say

### PDF Compressor

[App page](https://appshunter.io/ios/app/pdf-compressor-compress-pdf/id6754836336)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly   1 Week | $0.99 | per 7 days |
| Monthly   1 Month | $2.99 | per month |
| Yearly   1 Year | $19.99 | per year |


### ModelWitch

[App page](https://appshunter.io/ios/app/modelwitch/id6778496717)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ModelWitch Premium — Monthly | $2.99 | per month |
| ModelWitch Premium — Yearly | $19.99 | per year |
| ModelWitch Premium — Lifetime | $34.99 | one-time |


## Frequently asked questions

### Is PDF Compressor free?

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

### Is ModelWitch free?

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

### Do PDF Compressor or ModelWitch have ads?

Neither PDF Compressor nor ModelWitch shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*