# Flash Doc Scanner vs ConvertHub

The clearest difference is review sentiment: ConvertHub at 50% against Flash Doc Scanner's 0%. ConvertHub also leads on rating (4.6 vs 3.1) and ratings volume (122 vs 10). Flash Doc Scanner's advantage is in-app purchases (none vs 3) and ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. ConvertHub sells 3 in-app purchases, starting at $19.99 per 7 days. Flash Doc Scanner asks for nothing beyond the download.

ConvertHub holds the better App Store score, 4.6 against 3.1. That said, the two scores are not equally well evidenced: ConvertHub has 122 ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 0% of Flash Doc Scanner's written reviews are positive against 50% of ConvertHub's.

Flash Doc Scanner ships an update every 6 weeks, ConvertHub every 3 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Flash Doc Scanner | ConvertHub |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.1 (10 ratings)](https://appshunter.io/ios/app/flash-doc-scanner-pdf-maker/id1629410476/reviews) | **[4.6 (122 ratings)](https://appshunter.io/ios/app/converthub-any-file-and-format/id6760379862/reviews)** |
| Number of ratings | 10 | **122** |
| Positive reviews | 0.0% of reviews | **50.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 73 MB | 205 MB |
| Requires iOS | **14** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [JOYWE NETWORK TECH LIMITED](https://appshunter.io/developer/1602822584) | [邵雄 李](https://appshunter.io/developer/1831465508) |

## What reviewers say

### Flash Doc Scanner

[App page](https://appshunter.io/ios/app/flash-doc-scanner-pdf-maker/id1629410476)

This app transforms your iPhone into a powerful document scanner, creating high-quality PDFs from physical items. It also recognizes QR codes and barcodes, offering batch processing and easy sharing without requiring registration.

**Highlights:** Lightning-fast document scanning, QR/Barcode recognition, Private and secure, no registration, Batch processing for multiple pages, Easy sharing via email and social media, Convert to high-quality PDF files

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

**In-app purchases:** none


### ConvertHub

[App page](https://appshunter.io/ios/app/converthub-any-file-and-format/id6760379862)

This utility app converts various file types, including documents, videos, audio, and images. It also offers tools for compression, merging, cropping, and adjusting playback speed for media.

**Highlights:** File format conversion, Video conversion and editing, Audio conversion and speed adjustment, Image format conversion, File compression, File merging, Batch processing

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Membership | $19.99 | per 7 days |
| Free Weekly Membership | $19.99 | per 7 days |
| Monthly Membership | $39.99 | per month |


## Frequently asked questions

### Is Flash Doc Scanner free?

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

### Is ConvertHub free?

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

### Which has better reviews, Flash Doc Scanner or ConvertHub?

ConvertHub is rated higher. Flash Doc Scanner averages 3.1 out of 5 from 10 ratings, while ConvertHub averages 4.6 from 122 ratings.

### Do Flash Doc Scanner or ConvertHub have ads?

ConvertHub shows ads; Flash Doc Scanner does not.

### Which is updated more often, Flash Doc Scanner or ConvertHub?

Flash Doc Scanner ships an update every 6 weeks, and ConvertHub every 3 weeks. Most recently, Flash Doc Scanner was updated on October 24, 2026 and ConvertHub on October 25, 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.*