# Image Compressor ™ vs PDF Viewer

The clearest difference is ads: PDF Viewer at none against Image Compressor ™'s shown. PDF Viewer also leads on ratings volume (235 vs 53). Image Compressor ™'s advantage is review sentiment (100% vs 89%). On price, rating, update cadence and in-app purchases there is nothing between them.

Both are free to download. Image Compressor ™ sells 4 in-app purchases, starting at $1.99 per 7 days and PDF Viewer sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.9 for Image Compressor ™ against 4.8 for PDF Viewer. Both are backed by a comparable volume of ratings — 53 and 235 respectively. Written reviews are what separate them: 100% of Image Compressor ™'s written reviews are positive against 89% of PDF Viewer's.

Image Compressor ™ ships an update every 5 months, PDF Viewer every 3 months. The most recent releases landed on September 18, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Image Compressor ™ | PDF Viewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (53 ratings)](https://appshunter.io/ios/app/image-compressor/id6599837807/reviews)** | [4.8 (235 ratings)](https://appshunter.io/ios/app/pdf-viewer-reader-and-editor/id6720703022/reviews) |
| Number of ratings | 53 | **235** |
| Positive reviews | **100.0% of reviews** | 89.5% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 3 months** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 13 MB | 11 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Andy Sutanto](https://appshunter.io/developer/1659282966) | [Andrew Lee](https://appshunter.io/developer/1206652057) |

## What reviewers say

### Image Compressor ™

[App page](https://appshunter.io/ios/app/image-compressor/id6599837807)

Easily reduce the file size of your photos and documents while preserving high quality. Select images from various sources, adjust compression levels, and preview before saving or sharing.

**Highlights:** High-quality compression, Multiple image sources, Batch processing, Adjustable compression levels, Preview before saving, Save and share options, Compression history

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Photo Compressor Pro | $1.99 | per 7 days |
| Compress Photos Pro - 1Y | $19.99 | per year |
| Offering for New User | $19.99 | one-time |
| Image Compressor Pro | $39.99 | one-time |


### PDF Viewer

[App page](https://appshunter.io/ios/app/pdf-viewer-reader-and-editor/id6720703022)

Easily convert various file formats to PDF and back again. This app supports conversions from images, documents, and presentations, allowing you to manage and share your files efficiently. It also offers OCR capabilities to convert photos into editable text.

**Highlights:** Convert JPG, Word, Excel, PPT to PDF, Convert PDF to other formats, Share and save converted files, Access conversion history, Pull files from iCloud or gallery, Convert Photos to Text (OCR)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDF Converter: Premium | $4.99 | per month |
| PDF Converter: Premium | Free | one-time |

**What reviewers like**

- 👍 Easy and intuitive to use
- 🚀 Fast and efficient conversion
- 💰 Free or affordable pricing
- 📄 Excellent PDF conversion and merging capabilities
- 🎨 Clean and simple interface design

**What reviewers complain about**

- 🐛 Forced review prompt before app usage
- ❌ Missing file deletion option
- 📸 No in-app camera scanning capability
- ⚙️ No file size customization options
- 🔄 Inconsistent performance across devices

**Reported bugs**

- App doesn't function on iPad mini (current model)
- Forced review requirement blocks app access
- Document quality issues when converting images to PDF
- Occasional glitches during operation

**Requested features**

- Add file deletion functionality
- Implement in-app camera scanning feature
- Add page merge and delete options
- Include file size/quality customization
- Support for more device types (iPad compatibility)


## Frequently asked questions

### Is Image Compressor ™ free?

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

### Is PDF Viewer free?

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

### Which has better reviews, Image Compressor ™ or PDF Viewer?

Image Compressor ™ is rated higher. Image Compressor ™ averages 4.9 out of 5 from 53 ratings, while PDF Viewer averages 4.8 from 235 ratings.

### Do Image Compressor ™ or PDF Viewer have ads?

Image Compressor ™ shows ads; PDF Viewer does not.

### Which is updated more often, Image Compressor ™ or PDF Viewer?

Image Compressor ™ ships an update every 5 months, and PDF Viewer every 3 months. Most recently, Image Compressor ™ was updated on September 18, 2026 and PDF Viewer on September 8, 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.*