Comparison

Flash Doc Scanner vs ConvertHub

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Flash Doc Scanner

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
Read full description

Flash Doc Scanner: Smart & Efficient – Your Portable Scanning Expert! Say goodbye to complexity and hello to efficiency! Flash Doc Scanner is designed for iOS users, a powerful and easy-to-use scanning app with no registration required, instantly upgrading your iPhone. Key Features: Lightning-Fast Document Scan: Quickly convert physical documents, receipts, notes, and more into crisp, high-quality PDF files. Smart recognition ensures flawless scans every time. All-in-One QR/Barcode Recognition: Beyond documents, swiftly scan and decode various QR codes and barcodes for more convenient information retrieval. Private & Secure, No Registration: Download and use instantly, without needing to provide any personal information, ensuring a pure and secure scanning experience. Batch Processing, Time-Saving: Easily capture multiple pages and automatically merge them into a single PDF, significantly boosting your productivity. Easy Sharing, Seamless Collaboration: Share your scanned documents and QR code information rapidly via email, social media, and other platforms. Flash Doc Scanner makes your mobile work and life smarter and more efficient! Download now for ultimate convenience.

About

ConvertHub

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
Read full description

**ConvertHub: Any File & Format** is a professional file and media format conversion tool that supports multiple functions including file conversion, video conversion, audio conversion, and image conversion. It allows for easy conversion between various formats with simple operations, and also provides practical tools such as file compression, merging, cropping, and speed adjustment to help you quickly process various files and media content. Whether it's file processing for work or study, or video, audio, and image editing for daily life, it can handle it all with ease. **Core Functions:** **File Format Conversion:** Supports conversion between multiple file formats, making file use across different devices and platforms more convenient. **Video Format Conversion:** Supports conversion between multiple video formats, and also provides video cropping and video speed adjustment functions. **Audio Format Conversion:** Easily convert audio formats and supports adjusting audio playback speed. **Image Format Conversion:** Supports conversion between common image formats, maintaining high-definition image quality. **Practical Tools:** **File Compression:** Quickly reduce file size **File Merging and Stitching:** Integrate multiple files **Video Cropping:** Easily trim video clips **Video Speed ​​Adjustment:** Freely control playback speed **Batch Processing:** Improve work efficiency Simple and intuitive interface, easy operation, one-click conversion. Suitable for office work, study, content creation, and daily document processing. -Payment will be charged to iTunes Account at confirmation of purchase. -Subscriptions automatically renew unless auto-renew is turned off at least 24-hours before the end of the current period. -Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. -Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. Privacy Policy: http://saxdev.com/file/privacy.html Terms of User:http://saxdev.com/file/terms.html If you have any questions, feel free to contact us at ai_factory@126.com

Screenshots

Flash Doc Scanner4 screens
ConvertHub4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard7 real differences · 3 level
Flash Doc Scanner versus ConvertHub: the parameters behind the verdict, then further details
ParameterFlash Doc ScannerConvertHub
PriceFreeFree
Rating3.1 (10 ratings)4.6 (122 ratings) — better
Positive reviews0.0% of reviews50.0% of reviews — better
Number of ratings10122 — better
Update frequencyEvery 6 weeksEvery 3 weeks — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPod
Requires iOS14 — better15.6
Further details — not scored
Size73 MB205 MB
Age rating4+4+
DeveloperJOYWE NETWORK TECH LIMITED邵雄 李

Customer experience

Flash Doc Scanner

All ratings10 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

ConvertHub

All ratings119 ratings
Positive93.3%
Neutral0.8%
Negative5.9%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

In-app purchases

None

Flash Doc Scanner

No in-app purchases

3 purchases

ConvertHub

Subscriptions3
  • Weekly Membership3 Days trial$19.997 Days
  • Free Weekly Membership$19.997 Days
  • Monthly Membership$39.991 Month

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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