# PDF AI Scanner vs Flash Cleaner

The clearest difference is rating: Flash Cleaner at 5.0 against PDF AI Scanner's 4.5. Flash Cleaner also leads on in-app purchases (none vs 3) and update cadence (every 3 days vs every 2 months). PDF AI Scanner's advantage is ratings volume (11 vs 1). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. PDF AI Scanner sells 3 in-app purchases, starting at $4.99 per 7 days. Flash Cleaner asks for nothing beyond the download.

Flash Cleaner holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: PDF AI Scanner has 11 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 71% of PDF AI Scanner's written reviews are positive against 100% of Flash Cleaner's.

PDF AI Scanner ships an update every 2 months, Flash Cleaner every 3 days. The most recent releases landed on September 22, 2026 and June 4, 2026 respectively.

## The numbers

| Metric | PDF AI Scanner | Flash Cleaner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (11 ratings)](https://appshunter.io/ios/app/pdf-ai-scanner/id6740202256/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/flash-cleaner-storage-manager/id6746331027/reviews)** |
| Number of ratings | **11** | 1 |
| Positive reviews | 71.4% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 38 MB | 66 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [HONGKONG ADHEROS LIMITED](https://appshunter.io/developer/1788020856) | [Appwords](https://appshunter.io/developer/1766020257) |

## What reviewers say

### PDF AI Scanner

[App page](https://appshunter.io/ios/app/pdf-ai-scanner/id6740202256)

Easily convert documents between PDF, image, and text formats. Extract text from images and scanned documents with advanced OCR technology, supporting multiple languages. Preview files quickly and conveniently.

**Highlights:** PDF to Image conversion, PDF to Text conversion, Image to PDF conversion, OCR text recognition, Multilingual support, File preview

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Plan | $4.99 | per 7 days |
| Monthly Plan | $7.99 | per month |
| Yearly plan | $9.99 | per year |


### 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 PDF AI Scanner free?

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

### Is Flash Cleaner free?

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

### Which has better reviews, PDF AI Scanner or Flash Cleaner?

Flash Cleaner is rated higher. PDF AI Scanner averages 4.5 out of 5 from 11 ratings, while Flash Cleaner averages 5.0 from 1 ratings.

### Do PDF AI Scanner or Flash Cleaner have ads?

Both PDF AI Scanner and Flash Cleaner show ads.

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

PDF AI Scanner ships an update every 2 months, and Flash Cleaner every 3 days. Most recently, PDF AI Scanner was updated on September 22, 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.*