# Al Cleaner Kit vs PDF Expert Viewer

The clearest difference is in-app purchases: PDF Expert Viewer at none against Al Cleaner Kit's 2. PDF Expert Viewer also leads on update cadence (weekly vs every 5 weeks). Al Cleaner Kit's advantage is iOS requirement (13.0 vs 15). On price, ads and device support there is nothing between them.

Both are free to download. Al Cleaner Kit sells 2 in-app purchases, starting at $9.99 per 7 days. PDF Expert Viewer asks for nothing beyond the download.

Al Cleaner Kit ships an update every 5 weeks, PDF Expert Viewer weekly. Both last shipped on November 8, 2026.

## The numbers

| Metric | Al Cleaner Kit | PDF Expert Viewer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 5 weeks | **Weekly** |
| Size | 48 MB | 64 MB |
| Requires iOS | **13.0** | 15 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [HONGKONG ADHEROS LIMITED](https://appshunter.io/developer/1788020856) | [Chengdu Doudou Oasis Network Technology Co.,Ltd](https://appshunter.io/developer/1776078126) |

## What reviewers say

### Al Cleaner Kit

[App page](https://appshunter.io/ios/app/al-cleaner-kit/id6744310128)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Plan | $9.99 | per 7 days |
| Yearly Plan | $39.99 | per year |


### PDF Expert Viewer

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

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

**In-app purchases:** none


## Frequently asked questions

### Is Al Cleaner Kit free?

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

### Is PDF Expert Viewer free?

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

### Do Al Cleaner Kit or PDF Expert Viewer have ads?

Both Al Cleaner Kit and PDF Expert Viewer show ads.

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

Al Cleaner Kit ships an update every 5 weeks, and PDF Expert Viewer weekly. Most recently, Al Cleaner Kit was updated on November 8, 2026 and PDF Expert Viewer on November 8, 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.*