# PDF Compressor vs Grooz PDF

The clearest difference is review sentiment: Grooz PDF at 100% against PDF Compressor's 56%. Grooz PDF also leads on rating (5.0 vs 4.3). PDF Compressor's advantage is ratings volume (57 vs 2). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. PDF Compressor sells 3 in-app purchases, starting at $4.99 per 7 days and Grooz PDF sells 3 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Grooz PDF holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: PDF Compressor has 57 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 56% of PDF Compressor's written reviews are positive against 100% of Grooz PDF's.

PDF Compressor ships an update monthly, Grooz PDF every 6 weeks. The most recent releases landed on September 29, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | PDF Compressor | Grooz PDF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (57 ratings)](https://appshunter.io/ios/app/pdf-compressor-size-reduce/id1643148563/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/grooz-pdf-docs-and-ocr-scanner/id6458977783/reviews)** |
| Number of ratings | **57** | 2 |
| Positive reviews | 55.6% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Monthly** | Every 6 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 35 MB | 153 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Hardik Dhameliya](https://appshunter.io/developer/1611140120) | [EYWIN BILGI TEKNOLOJILERI ANONIM SIRKETI](https://appshunter.io/developer/1492105189) |

## What reviewers say

### PDF Compressor

[App page](https://appshunter.io/ios/app/pdf-compressor-size-reduce/id1643148563)

Easily reduce the size of your PDF files with this utility app. It offers a range of tools to compress, edit, and convert PDFs, saving you disk space and improving upload/download speeds. Features include OCR, merging, page removal, and security options.

**Highlights:** Compress PDF files, OCR and Text Recognition, Merge and split PDFs, Remove/add pages, Lock and unlock PDFs, Convert PDF to text/images, Add watermarks and signatures

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscription Weekly | $4.99 | per 7 days |
| Subscription Monthly | $9.99 | per month |
| Subscription Yearly | $19.99 | per year |


### Grooz PDF

[App page](https://appshunter.io/ios/app/grooz-pdf-docs-and-ocr-scanner/id6458977783)

This app allows you to view, create, and manage PDF files on your mobile device. It features advanced document scanning, text recognition from images, and a user-friendly interface for efficient document handling.

**Highlights:** Effortless PDF viewing, Advanced document scanning, Create PDFs from photos, Text recognition (OCR), Intuitive user interface, Privacy-focused design

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Grooz PDF Premium | $3.99 | per 7 days |
| Grooz PDF Premium | $5.99 | per month |
| Grooz PDF Premium | $19.99 | per year |


## Frequently asked questions

### Is PDF Compressor free?

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

### Is Grooz PDF free?

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

### Which has better reviews, PDF Compressor or Grooz PDF?

Grooz PDF is rated higher. PDF Compressor averages 4.3 out of 5 from 57 ratings, while Grooz PDF averages 5.0 from 2 ratings.

### Do PDF Compressor or Grooz PDF have ads?

Both PDF Compressor and Grooz PDF show ads.

### Which is updated more often, PDF Compressor or Grooz PDF?

PDF Compressor ships an update monthly, and Grooz PDF every 6 weeks. Most recently, PDF Compressor was updated on September 29, 2026 and Grooz PDF on June 1, 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.*