# Quick PDF vs Flash Cleaner

The clearest difference is rating: Flash Cleaner at 5.0 against Quick PDF's 3.0. Flash Cleaner also leads on update cadence (every 3 days vs every 3 weeks) and iOS requirement (13.0 vs 15.0). Quick PDF's advantage is ratings volume (3 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Flash Cleaner holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

Quick PDF ships an update every 3 weeks, Flash Cleaner every 3 days. The most recent releases landed on August 24, 2026 and June 4, 2026 respectively.

## The numbers

| Metric | Quick PDF | Flash Cleaner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (3 ratings)](https://appshunter.io/ios/app/quick-pdf-reader-and-viewer/id6741830741/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/flash-cleaner-storage-manager/id6746331027/reviews)** |
| Number of ratings | **3** | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | Ad-supported | Ad-supported |
| Size | 84 MB | 66 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [子寒 汪](https://appshunter.io/developer/1718260088) | [Appwords](https://appshunter.io/developer/1766020257) |

## What reviewers say

### Quick PDF

[App page](https://appshunter.io/ios/app/quick-pdf-reader-and-viewer/id6741830741)

This application allows users to read, create, and edit PDF files. It also includes a QR code scanner for quick access to information. Manage your documents efficiently with its user-friendly interface.

**Highlights:** PDF Viewing, PDF Editing, QR Code Scanning, Document Organization, User-Friendly Interface

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

**In-app purchases:** none


### Flash Cleaner

[App page](https://appshunter.io/ios/app/flash-cleaner-storage-manager/id6746331027)

Easily manage your phone's media files. Identify and delete duplicate or similar photos and videos to free up storage space. Compress media and organize screenshots for a smoother, more secure device.

**Highlights:** Identify and delete duplicate photos/videos, Compress photos and videos, Screenshot management, Privacy album with encryption, One-tap media optimization, Quick scan for similar media

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Quick PDF free?

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

### Is Flash Cleaner free?

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

### Which has better reviews, Quick PDF or Flash Cleaner?

Flash Cleaner is rated higher. Quick PDF averages 3.0 out of 5 from 3 ratings, while Flash Cleaner averages 5.0 from 1 ratings.

### Do Quick PDF or Flash Cleaner have ads?

Both Quick PDF and Flash Cleaner show ads.

### Which is updated more often, Quick PDF or Flash Cleaner?

Quick PDF ships an update every 3 weeks, and Flash Cleaner every 3 days. Most recently, Quick PDF was updated on August 24, 2026 and Flash Cleaner on June 4, 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.*