# PDF Expert Viewer vs AI Cleaner Master

The clearest difference is in-app purchases: PDF Expert Viewer at none against AI Cleaner Master's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. AI Cleaner Master sells 3 in-app purchases, starting at $12.99 per 7 days. PDF Expert Viewer asks for nothing beyond the download.

PDF Expert Viewer ships an update weekly, AI Cleaner Master every 10 days. The most recent releases landed on October 28, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | PDF Expert Viewer | AI Cleaner Master |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (81 ratings)](https://appshunter.io/ios/app/ai-cleaner-master/id6749614436/reviews)** |
| Number of ratings | — | **81** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Weekly** | Every 10 days |
| Monetization | — | Free with in-app purchases |
| Size | 64 MB | 84 MB |
| Requires iOS | 15 | **14.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Chengdu Doudou Oasis Network Technology Co.,Ltd](https://appshunter.io/developer/1776078126) | [FUXIN TECHNOLOGY LIMITED](https://appshunter.io/developer/1786009813) |

## 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


### 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 Expert Viewer free?

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

### Is AI Cleaner Master free?

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

### Do PDF Expert Viewer or AI Cleaner Master have ads?

Both PDF Expert Viewer and AI Cleaner Master show ads.

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

PDF Expert Viewer ships an update weekly, and AI Cleaner Master every 10 days. Most recently, PDF Expert Viewer was updated on October 28, 2026 and AI Cleaner Master 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.*