# PDF Reader vs Storage Clean

The clearest difference is review sentiment: Storage Clean at 100% against PDF Reader's 61%. Storage Clean also leads on ads (none vs shown). PDF Reader's advantage is in-app purchases (none vs 6) and rating (4.8 vs 4.5). On price, ratings volume and device support there is nothing between them.

Both are free to download. Storage Clean sells 5 in-app purchases, starting at $3.99 per 7 days. PDF Reader asks for nothing beyond the download.

PDF Reader holds the better App Store score, 4.8 against 4.5. Both are backed by a comparable volume of ratings — 3.2K and 1.1K respectively. Written reviews complicate that: 61% of PDF Reader's written reviews are positive against 100% of Storage Clean's, so the app with the better star average is not the one people write more warmly about.

PDF Reader ships an update weekly, Storage Clean every 3 weeks. Both last shipped on September 22, 2026.

## The numbers

| Metric | PDF Reader | Storage Clean |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (3.2K ratings)](https://appshunter.io/ios/app/pdf-reader-easy-editor/id6630367408/reviews)** | [4.5 (1.1K ratings)](https://appshunter.io/ios/app/storage-clean-free-up-space/id6746736688/reviews) |
| Number of ratings | **3.2K** | 1.1K |
| Positive reviews | 61.3% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 3 weeks |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 70 MB | 31 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SPARK TECH LIMITED](https://appshunter.io/developer/1709259681) | [C-JM LIMITED](https://appshunter.io/developer/1809053185) |

## What reviewers say

### PDF Reader

[App page](https://appshunter.io/ios/app/pdf-reader-easy-editor/id6630367408)

Transform your smartphone into a powerful PDF scanner and editor. Easily convert images and documents to PDF, or convert PDFs to other formats. Protect your files with encryption and share them securely.

**Highlights:** Scan documents, Convert images to PDF, Convert PDF to other formats, Crop image sizes, Share documents, Add watermark, File encryption

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 💡 Useful features
- 🚀 Fast performance

**What reviewers complain about**

- 🐛 Crashes and bugs
- 💰 Excessive ads
- 🔋 Drains battery quickly

**Reported bugs**

- Login issues
- Compatibility problems with newer devices
- Frequent crashes and freezes

**Requested features**

- More customization options
- Improved privacy controls
- Better customer support


### Storage Clean

[App page](https://appshunter.io/ios/app/storage-clean-free-up-space/id6746736688)

This app helps you free up iPhone storage by intelligently cleaning duplicate contacts and similar photos. It uses AI to identify and remove redundant media, offering multiple cleaning modes and a simple interface for efficient device management.

**Highlights:** Duplicate contact organization, AI-powered photo cleaning, Batch photo deletion, Multiple cleaning modes, Simple, one-click operation, Local data processing

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Member | $3.99 | per 7 days |
| Weekly Member | $3.99 | per 7 days |
| Monthly Member | $9.99 | per month |
| Monthly Member | $9.99 | per month |
| Yearly Member | $34.99 | per year |


## Frequently asked questions

### Is PDF Reader free?

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

### Is Storage Clean free?

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

### Which has better reviews, PDF Reader or Storage Clean?

PDF Reader is rated higher. PDF Reader averages 4.8 out of 5 from 3.2K ratings, while Storage Clean averages 4.5 from 1.1K ratings.

### Do PDF Reader or Storage Clean have ads?

PDF Reader shows ads; Storage Clean does not.

### Which is updated more often, PDF Reader or Storage Clean?

PDF Reader ships an update weekly, and Storage Clean every 3 weeks. Most recently, PDF Reader was updated on September 22, 2026 and Storage Clean on September 22, 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.*