# PDF Reader vs Storage Boost Photo Cleaner

The clearest difference is ads: Storage Boost Photo Cleaner at none against PDF Reader's shown. Storage Boost Photo Cleaner also leads on update cadence (every 4 days vs every 3 weeks) and ratings volume (110 vs 1). PDF Reader's advantage is rating (5.0 vs 4.8) and iOS requirement (14.0 vs 18.2). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. PDF Reader sells 2 in-app purchases, starting at $19.99 per 7 days and Storage Boost Photo Cleaner sells 7 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

PDF Reader holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Storage Boost Photo Cleaner has 110 ratings behind it against 1, so its average is the more settled of the two.

PDF Reader ships an update every 3 weeks, Storage Boost Photo Cleaner every 4 days. The most recent releases landed on September 24, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | PDF Reader | Storage Boost Photo Cleaner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pdf-reader-editing/id6742738204/reviews)** | [4.8 (110 ratings)](https://appshunter.io/ios/app/storage-boost-photo-cleaner/id6744467801/reviews) |
| Number of ratings | 1 | **110** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 26 MB | 19 MB |
| Requires iOS | **14.0** | 18.2 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [蕊 安](https://appshunter.io/developer/1665482948) | [Control. Alt. Delete. LLC](https://appshunter.io/developer/1762687184) |

## What reviewers say

### PDF Reader

[App page](https://appshunter.io/ios/app/pdf-reader-editing/id6742738204)

Easily read, annotate, and edit PDF documents with a comprehensive suite of tools. Mark important information, add text, signatures, and even merge or convert files. Secure your documents with password protection.

**Highlights:** Highlight and underline text, Hand-drawn annotation, Add text and fill forms, Digital signature and seal, Merge PDF files, Convert PDF to Word/JPG, Password protection

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Bronze | $19.99 | per 7 days |
| Premium Gold | $39.99 | per year |


### Storage Boost Photo Cleaner

[App page](https://appshunter.io/ios/app/storage-boost-photo-cleaner/id6744467801)

This app helps you free up phone storage by identifying and deleting duplicate photos, similar images, and large files. It prioritizes user privacy by processing all data directly on your device, ensuring your files never leave your phone. Enjoy a secure and simple way to manage your device's space.

**Highlights:** On-device duplicate photo scanning, Private file review and deletion, Secure video compression, Storage usage monitoring, Intuitive user interface

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $4.99 | per 7 days |
| Weekly Subscription | $7.99 | per 7 days |
| Yearly Access | $9.99 | per year |
| Yearly Subscription | $19.99 | per year |
| Yearly Subscription | $29.99 | per year |
| Yearly Access | $34.99 | per year |
| Yearly Subscription | $49.99 | per year |


## Frequently asked questions

### Is PDF Reader free?

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

### Is Storage Boost Photo Cleaner free?

Storage Boost Photo Cleaner is free to download, with in-app purchases available.

### Which has better reviews, PDF Reader or Storage Boost Photo Cleaner?

PDF Reader is rated higher. PDF Reader averages 5.0 out of 5 from 1 ratings, while Storage Boost Photo Cleaner averages 4.8 from 110 ratings.

### Do PDF Reader or Storage Boost Photo Cleaner have ads?

PDF Reader shows ads; Storage Boost Photo Cleaner does not.

### Which is updated more often, PDF Reader or Storage Boost Photo Cleaner?

PDF Reader ships an update every 3 weeks, and Storage Boost Photo Cleaner every 4 days. Most recently, PDF Reader was updated on September 24, 2026 and Storage Boost Photo Cleaner on October 24, 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.*