Comparison

PDF Scanner Converter Document vs Flash Doc Scanner

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

Head to head
About

PDF Scanner Converter Document

Transform your smartphone into a versatile document scanner and editor. Easily scan, convert, and manage various file types, including images to PDF. Features include PDF editing, signing, printing, a math equation solver, real-time ruler, and QR code scanning.

Highlights
  • Document scanning with smart edge detection
  • Convert images and documents to PDF
  • Edit PDFs with annotations and signatures
  • Import/export various file formats
  • Math equation solver
  • Real-time distance measurement
  • QR code scanner
Features
Read full description

PDF Scanner transforms your smartphone into a powerful and convenient document scanner. Designed for professionals and everyday users alike, this intuitive scanner app allows you to scan, convert, edit, and manage documents with ease. Whether you need a reliable photo to PDF convert scanner or a full-featured PDF file editor, this app has you covered. DOCUMENT SCANNING Quickly scan paper documents, passports, ID cards, books, invoices, images, receipts, or notes. Smart edge detection and auto-enhancement ensure sharp and clear scans every time, making this document scanner ideal for both personal and professional use. ADD FILES - IMPORT & EXPORT Import existing documents from your device, email, or cloud storage. Supported file formats include: DOC, DOCX, TXT, RTF, HTML, EML, XLS, XLSX, PPT, PPTX, HEIC, BMP, and GIF. Organize files in folders for easy access. Export documents in PDF, TXT, Word, DOC, and Excel formats with a single tap. PDF EDITOR Edit PDF files and other documents directly within the app: add annotations, highlight text, insert or delete pages, rearrange content, and more. You can also add a signature to documents for quick approvals or formal use. PDF CONVERTER Seamlessly convert between file formats like PDF, TXT, and DOC. The app also supports image to PDF conversion - turn any photo into a high-quality PDF document, either by capturing it instantly or importing from your gallery. Ideal for archiving handwritten notes, forms, printed pages, and more, with customizable layouts and page order. SHARE DOCUMENTS Easily share scanned or imported documents with others via email, messengers, or cloud services. Whether you're sending reports, forms, or notes, sharing is fast and secure across all major platforms. PDF PRINTER Print scanned or edited documents directly from your phone using wireless printing. Supports AirPrint and other major printing protocols for seamless and efficient output. MATH EQUATIONS SOLVER Scan handwritten math equations and receive instant solutions, making it a powerful tool for students, educators, and anyone working with mathematics. RULER - REAL-TIME DISTANCE MEASUREMENT Use your device’s camera to measure distances accurately in real-time. Ideal for everyday tasks, room planning, and quick measurements on the go. QR CODE SCANNER Instantly scan and read QR codes for websites, contacts, Wi-Fi access, and more - directly within the app. MOBILE SCANNER CONVENIENCE Lightweight and easy to use, this mobile scanner is the perfect companion for anyone who needs fast and flexible document processing on the move. Whether you’re scanning a contract, editing a report, sharing a file, or converting a picture to PDF, this all-in-one tool simplifies your workflow. With PDF Scanner, managing documents is faster, smarter, and always in your pocket. Privacy Policy: https://docs.google.com/document/d/1_gVbgNuVoVfi2gxRDBvuaW7gkLIK-9NsJrO-oZyQO7M/edit?usp=sharing Terms of Use: https://docs.google.com/document/d/1FxDm0HfJjuZkjaneoZ65kSczOu8pYVPjQ3VZ2tpLHNw/edit?usp=sharing

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.

Screenshots

PDF Scanner Converter Document4 screens
Flash Doc Scanner4 screens

Verdict

The call

The clearest difference is rating: PDF Scanner Converter Document at 4.5 against Flash Doc Scanner's 3.4. PDF Scanner Converter Document also leads on review sentiment (33% vs 0%) and update cadence (every 11 days vs every 6 weeks). Flash Doc Scanner's advantage is in-app purchases (none vs 14) and ads (none vs shown). On price and device support 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. PDF Scanner Converter Document sells 13 in-app purchases, starting at $3.99 per 7 days. Flash Doc Scanner asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

PDF Scanner Converter Document holds the better App Store score, 4.5 against 3.4. That said, the two scores are not equally well evidenced: PDF Scanner Converter Document has 77 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 33% of PDF Scanner Converter Document's written reviews are positive against 0% of Flash Doc Scanner's.

UpkeepUpdate frequency

PDF Scanner Converter Document ships an update every 11 days, Flash Doc Scanner every 6 weeks. The most recent releases landed on September 28, 2026 and July 9, 2026 respectively.

Scorecard8 real differences · 2 level
PDF Scanner Converter Document versus Flash Doc Scanner: the parameters behind the verdict, then further details
ParameterPDF Scanner Converter DocumentFlash Doc Scanner
PriceFreeFree
Rating4.5 (77 ratings) — better3.4 (7 ratings)
Positive reviews33.3% of reviews — better0.0% of reviews
Number of ratings77 — better7
Update frequencyEvery 11 days — betterEvery 6 weeks
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.014 — better
Further details — not scored
Size103 MB73 MB
Age rating9+4+
DeveloperTERALIX LTDJOYWE NETWORK TECH LIMITED

Customer experience

PDF Scanner Converter Document

All ratings77 ratings
Positive87.0%
Neutral3.9%
Negative9.1%
Written reviews3 reviews
Positive33.3%
Neutral33.3%
Negative33.3%

Flash Doc Scanner

All ratings7 ratings
Positive57.1%
Neutral0.0%
Negative42.9%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

13 purchases

PDF Scanner Converter Document

Subscriptions12
  • Subscribe weekly3 Days trial$3.997 Days
  • Subscribe monthly3 Days trial$4.991 Month
  • Subscribe monthly3 Days trial$6.991 Month
Show 9 more
  • Premium version3 Days trial$6.997 Days
  • Subscribe Monthly$6.991 Month
  • Subscribe monthly3 Days trial$7.991 Month
  • Premium Access3 Days trial$7.997 Days
  • PDF Year Subscription3 Days trial$29.991 Year
  • PDF Year Subscription$39.991 Year
  • Subscribe annually3 Days trial$39.991 Year
  • Best solution for everyone3 Days trial2 variants$39.991 Year
  • Best solution for everyone$39.991 Year
One-time1
  • PDF Scanner - Premium FOREVER$49.99
None

Flash Doc Scanner

No in-app purchases

Questions

Is PDF Scanner Converter Document free?
PDF Scanner Converter Document is free to download, with in-app purchases available.
Is Flash Doc Scanner free?
Flash Doc Scanner is free to download, with no in-app purchases.
Which has better reviews, PDF Scanner Converter Document or Flash Doc Scanner?
PDF Scanner Converter Document is rated higher. PDF Scanner Converter Document averages 4.5 out of 5 from 77 ratings, while Flash Doc Scanner averages 3.4 from 7 ratings.
Do PDF Scanner Converter Document or Flash Doc Scanner have ads?
PDF Scanner Converter Document shows ads; Flash Doc Scanner does not.
Which is updated more often, PDF Scanner Converter Document or Flash Doc Scanner?
PDF Scanner Converter Document ships an update every 11 days, and Flash Doc Scanner every 6 weeks. Most recently, PDF Scanner Converter Document was updated on September 28, 2026 and Flash Doc Scanner on July 9, 2026.

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