# PDF Expert Viewer vs Deep Cleaner

The clearest difference is in-app purchases: PDF Expert Viewer at none against Deep Cleaner's 6. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Deep Cleaner sells 5 in-app purchases, starting at $7.99 per 7 days. PDF Expert Viewer asks for nothing beyond the download.

PDF Expert Viewer ships an update weekly, Deep Cleaner fortnightly. Both last shipped on October 30, 2026.

## The numbers

| Metric | PDF Expert Viewer | Deep Cleaner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (79 ratings)](https://appshunter.io/ios/app/deep-cleaner-storage-cleanup/id6747082261/reviews)** |
| Number of ratings | — | **79** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Weekly** | Fortnightly |
| Monetization | — | Free with in-app purchases |
| Size | 64 MB | 174 MB |
| Requires iOS | **15** | 16.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Chengdu Doudou Oasis Network Technology Co.,Ltd](https://appshunter.io/developer/1776078126) | [PALLI TECH LLC](https://appshunter.io/developer/1718064513) |

## What reviewers say

### PDF Expert Viewer

[App page](https://appshunter.io/ios/app/pdf-expert-viewer/id6746780454)

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

**In-app purchases:** none


### Deep Cleaner

[App page](https://appshunter.io/ios/app/deep-cleaner-storage-cleanup/id6747082261)

Optimize your device's storage by removing duplicate photos, videos, and junk files. Organize your contacts, compress large files, and declutter your inbox. Securely hide personal content in a private vault.

**Highlights:** Remove duplicate photos and videos, Compress large files, Organize and merge contacts, Declutter emails, Secure private vault, One-tap storage optimization

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $7.99 | per 7 days |
| Weekly Pro | $7.99 | per 7 days |
| Weekly | $9.99 | per 7 days |
| Yearly | $39.99 | per year |
| Yearly Pro | $49.99 | per year |


## Frequently asked questions

### Is PDF Expert Viewer free?

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

### Is Deep Cleaner free?

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

### Do PDF Expert Viewer or Deep Cleaner have ads?

Both PDF Expert Viewer and Deep Cleaner show ads.

### Which is updated more often, PDF Expert Viewer or Deep Cleaner?

PDF Expert Viewer ships an update weekly, and Deep Cleaner fortnightly. Most recently, PDF Expert Viewer was updated on October 30, 2026 and Deep Cleaner on October 30, 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.*