# PDF Reader & PDF Viewer App vs AI Cleaner Master

The clearest difference is update cadence: AI Cleaner Master at every 10 days against PDF Reader & PDF Viewer App's monthly. AI Cleaner Master also leads on ratings volume (81 vs 9). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. PDF Reader & PDF Viewer App sells 8 in-app purchases, starting at $4.49 per 7 days and AI Cleaner Master sells 3 in-app purchases, starting at $12.99 per 7 days. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.4 for PDF Reader & PDF Viewer App against 4.5 for AI Cleaner Master. That said, the two scores are not equally well evidenced: AI Cleaner Master has 81 ratings behind it against 9, so its average is the more settled of the two.

PDF Reader & PDF Viewer App ships an update monthly, AI Cleaner Master every 10 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | PDF Reader & PDF Viewer App | AI Cleaner Master |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (9 ratings)](https://appshunter.io/ios/app/pdf-reader-and-pdf-viewer-app/id6467587935/reviews) | **[4.5 (81 ratings)](https://appshunter.io/ios/app/ai-cleaner-master/id6749614436/reviews)** |
| Number of ratings | 9 | **81** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Monthly | **Every 10 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 64 MB | 84 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nguyen Quy Son](https://appshunter.io/developer/1594539200) | [FUXIN TECHNOLOGY LIMITED](https://appshunter.io/developer/1786009813) |

## What reviewers say

### PDF Reader & PDF Viewer App

[App page](https://appshunter.io/ios/app/pdf-reader-and-pdf-viewer-app/id6467587935)

Easily read and manage PDF files on your mobile device. Organize documents by renaming, sharing, and bookmarking them for quick access. This user-friendly tool allows you to view ebooks and PDF books anywhere, anytime.

**Highlights:** Read any PDF file, Organize documents, Rename files, Bookmark files, User-friendly interface, Share documents

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly - PDF Reader | $4.49 | per 7 days |
| Weekly - PDF Reader | $4.49 | per 7 days |
| Monthly - PDF Reader | $7.99 | per month |
| Weekly Pro - PDF Reader | $7.99 | per 7 days |
| Monthly Pro - PDF Reader | $9.99 | per month |
| Sale yearly - PDF Reader | $18.99 | per year |
| Yearly - PDF Reader | $31.49 | per year |
| 3 Day free trial - Yearly Pro | $49.99 | per year |


### AI Cleaner Master

[App page](https://appshunter.io/ios/app/ai-cleaner-master/id6749614436)

This app uses AI to identify images and objects, providing instant information. It also helps declutter your device by finding and removing duplicate photos, screenshots, and large videos.

**Highlights:** AI image recognition, Object identification, Duplicate photo removal, Screenshot cleanup, Large video deletion, User-friendly interface

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Plan | $12.99 | per 7 days |
| Yearly Plan | $69.99 | per year |
| LifeTime Plan | $99.99 | one-time |


## Frequently asked questions

### Is PDF Reader & PDF Viewer App free?

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

### Is AI Cleaner Master free?

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

### Which has better reviews, PDF Reader & PDF Viewer App or AI Cleaner Master?

AI Cleaner Master is rated higher. PDF Reader & PDF Viewer App averages 4.4 out of 5 from 9 ratings, while AI Cleaner Master averages 4.5 from 81 ratings.

### Do PDF Reader & PDF Viewer App or AI Cleaner Master have ads?

Both PDF Reader & PDF Viewer App and AI Cleaner Master show ads.

### Which is updated more often, PDF Reader & PDF Viewer App or AI Cleaner Master?

PDF Reader & PDF Viewer App ships an update monthly, and AI Cleaner Master every 10 days. Most recently, PDF Reader & PDF Viewer App was updated on October 24, 2026 and AI Cleaner Master 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.*