# MSRX PDF Compressor vs img

The clearest difference is in-app purchases: MSRX PDF Compressor at none against img's 3. MSRX PDF Compressor also leads on ads (none vs shown). img's advantage is update cadence (every 2 months vs every 5 months) and iOS requirement (13.0 vs 17.0). On price and device support there is nothing between them.

Both are free to download. img sells 3 one-off in-app purchases. MSRX PDF Compressor asks for nothing beyond the download.

MSRX PDF Compressor ships an update every 5 months, img every 2 months. The most recent releases landed on October 20, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | MSRX PDF Compressor | img |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Every 2 months** |
| Size | 7 MB | 30 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mrinal Singh Raja](https://appshunter.io/developer/1879524280) | [Media Jack Agency](https://appshunter.io/developer/539638234) |

## What reviewers say

### MSRX PDF Compressor

[App page](https://appshunter.io/ios/app/msrx-pdf-compressor/id6759563556)

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

**In-app purchases:** none


### img

[App page](https://appshunter.io/ios/app/img-2-pdf/id6780073945)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $0.99 | one-time |
| Medium Tip | $2.99 | one-time |
| Large Tip | $4.99 | one-time |


## Frequently asked questions

### Is MSRX PDF Compressor free?

MSRX PDF Compressor is free to download, with no in-app purchases.

### Is img free?

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

### Do MSRX PDF Compressor or img have ads?

img shows ads; MSRX PDF Compressor does not.

### Which is updated more often, MSRX PDF Compressor or img?

MSRX PDF Compressor ships an update every 5 months, and img every 2 months. Most recently, MSRX PDF Compressor was updated on October 20, 2026 and img on October 17, 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.*