# QuarkPDF vs Cleaner AI

The clearest difference is rating: QuarkPDF at 5.0 against Cleaner AI's 4.0. QuarkPDF also leads on in-app purchases (none vs 5) and ads (none vs shown). Cleaner AI's advantage is update cadence (every 2 weeks vs every 4 months) and ratings volume (22 vs 5). On price and device support there is nothing between them.

Both are free to download. Cleaner AI sells 5 in-app purchases, starting at $9.99 per 7 days. QuarkPDF asks for nothing beyond the download.

QuarkPDF holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 5 and 22 respectively.

QuarkPDF ships an update every 4 months, Cleaner AI every 2 weeks. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | QuarkPDF | Cleaner AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/quarkpdf/id6742776498/reviews)** | [4.0 (22 ratings)](https://appshunter.io/ios/app/cleaner-ai-smart-storage/id6748055460/reviews) |
| Number of ratings | 5 | **22** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 39 MB | 63 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Beya Network Technology Limited](https://appshunter.io/developer/1702838438) | [Shaanxi Chenxing Yuandao Network Technology Limited](https://appshunter.io/developer/1749473516) |

## What reviewers say

### QuarkPDF

[App page](https://appshunter.io/ios/app/quarkpdf/id6742776498)

Easily manage PDF files with tools to merge, split, convert to images, and optimize scanned documents. Streamline your workflow with a simple interface for efficient document processing.

**Highlights:** Merge multiple PDF files, Split PDFs into separate pages, Convert PDF to image format, Optimize scanned documents, Easy-to-use interface

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

**In-app purchases:** none


### Cleaner AI

[App page](https://appshunter.io/ios/app/cleaner-ai-smart-storage/id6748055460)

This app helps free up storage space on your phone by intelligently identifying and removing unused files like old videos, duplicate photos, and temporary screenshots. It also offers custom compression for media files without compromising quality, and all processing is done locally on your device for enhanced privacy.

**Highlights:** Smart file identification for deletion, Duplicate photo removal, Custom media compression, 100% local data processing, Intuitive user interface

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $9.99 | per 7 days |
| Subscription weekly | $14.99 | per 7 days |
| Subscription yearly | $39.99 | per year |
| Subscription yearly | $49.99 | per year |
| Lifetime Premium | $49.99 | one-time |


## Frequently asked questions

### Is QuarkPDF free?

QuarkPDF is free to download, with no in-app purchases.

### Is Cleaner AI free?

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

### Which has better reviews, QuarkPDF or Cleaner AI?

QuarkPDF is rated higher. QuarkPDF averages 5.0 out of 5 from 5 ratings, while Cleaner AI averages 4.0 from 22 ratings.

### Do QuarkPDF or Cleaner AI have ads?

Cleaner AI shows ads; QuarkPDF does not.

### Which is updated more often, QuarkPDF or Cleaner AI?

QuarkPDF ships an update every 4 months, and Cleaner AI every 2 weeks. Most recently, QuarkPDF was updated on November 4, 2026 and Cleaner AI on November 5, 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.*