Comparison

PDF Flow vs Scantrix PDF Scanner

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

Head to head
About

PDF Flow

This app is an offline PDF tool for creating, viewing, editing, and organizing PDF documents directly on your device. Generate PDFs from photos or text, edit pages, compress files, and manage your local library without needing an account or uploading your data.

Highlights
  • Create PDFs from photos, text, or blank pages
  • Edit PDF pages, insert or remove pages
  • Compress PDFs with adjustable strength
  • Organize files with categories and favorites
  • Offline file management and editing
  • Import and export via Files app and share sheet
Features
Read full description

PDF Flow is your private offline PDF tool for viewing, creating, editing and storing PDFs on your phone. Generate PDFs from photos, text or blank pages, edit pages in a clear reader view, and save all files on your device. Create PDF files - Merge selected photos into one PDF - Type text and export clean PDF documents - Create blank PDFs with custom page numbers - Import PDFs and images from the Files app Read & edit PDF pages - Read documents continuously, navigate quickly with page thumbnails - Zoom in/out for clearer reading - Insert blank pages or add photo pages - Duplicate pages or remove unwanted ones - Modify single pages while keeping your original file intact Compress & share PDFs - Select compression strength to fit your needs - Preview estimated file size before compression - Save a copy of your original document if needed - Export or share PDFs through iOS native share sheet Manage your local file library - Sort files by name, date or file size - Use categories and favorites to filter your documents - Search filenames and view recent searches - Restore deleted files or erase them forever - Clear temporary cache and thumbnails without deleting PDFs All PDF editing, reading, compression and file management happens directly on your iPhone.  PDF Flow needs no account and will never upload your files to outside servers. Your documents only leave the app when you actively share them via iOS share functions. Feature performance varies based on file content, format, device hardware and iOS system version.

About

Scantrix PDF Scanner

Transform your phone into a powerful document scanner and editor. Convert files, extract text with OCR, sign documents, and organize your files securely. Scan QR codes and manage everyday document tasks with ease.

Highlights
  • Scan documents, receipts, and invoices
  • Convert PDFs to Word, Excel, PowerPoint, Images, Text
  • Extract text with OCR
  • Sign documents with e-signature
  • Merge and compress PDFs
  • Organize and protect documents with PIN
  • Scan QR codes
Features
Read full description

SCAN, EDIT, CONVERT & SIGN. ALL IN ONE APP Turn your iPhone into a powerful PDF scanner and document toolkit with Scantrix PDF Scanner. Scan documents, receipts and invoices, create PDFs, convert files, extract text with OCR, sign documents, organize important files, protect private documents and scan QR codes from one easy-to-use app. SMART PDF & DOCUMENT SCANNER Turn paper into clean digital documents in seconds. Scan receipts, invoices, contracts, notes, forms, reports and other documents. Automatic edge detection helps capture properly aligned scans and create clean PDF files directly from your phone. PDF & FILE CONVERTER Convert files without switching between multiple apps. Convert PDF files to: • Word • Excel • PowerPoint • Images • Text You can also convert supported Office documents and images into PDF files for easy sharing and storage. ESSENTIAL PDF TOOLS Manage everyday PDF tasks directly from Scantrix: • Merge PDF files • Compress PDFs • Manage and organize pages • Create PDFs from scans and images • Keep documents organized in one workspace E-SIGN & SIGN PDFs Create or import your signature and add it directly to PDF documents. No printer required. Sign contracts, forms, approvals and other documents directly from your iPhone. OCR TEXT RECOGNITION Extract text from scanned documents and images with OCR. Quickly copy, save and reuse extracted information instead of typing it manually. ORGANIZE & PROTECT YOUR DOCUMENTS Keep receipts, reports, pay stubs, insurance documents, personal files and business documents organized with Smart Categories. For additional privacy, lock selected document categories with a 4–6-digit PIN. QR CODE SCANNER Scan QR codes directly using your camera or gallery, with flash and camera-flip controls when needed. FREE & FLEXIBLE PREMIUM ACCESS Start using Scantrix PDF Scanner for free and upgrade when you need more. Premium options include: • Monthly Premium • Yearly Premium • Lifetime Premium Prefer not to subscribe? Watch 2 ads to unlock Premium access for 24 hours. Restore Purchases is available for eligible purchases. SCANTRIX PDF SCANNER. YOUR EVERYDAY DOCUMENT WORKSPACE Scan documents. Create and convert PDFs. Extract text with OCR. Sign documents. Organize files. Scan QR codes. Everything you need for everyday document tasks in one app. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://scantrixpdfscanner.app/privacy-policy

Screenshots

PDF Flow4 screens
Scantrix PDF Scanner4 screens

Verdict

The call

The clearest difference is in-app purchases: PDF Flow at none against Scantrix PDF Scanner's 3. Scantrix PDF Scanner's advantage is update cadence (every 3 days vs every 3 weeks). On price, rating, ratings volume and ads 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. Scantrix PDF Scanner sells 3 in-app purchases, starting at $2.39 per month. PDF Flow asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for PDF Flow against 5.0 for Scantrix PDF Scanner. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

PDF Flow ships an update every 3 weeks, Scantrix PDF Scanner every 3 days. The most recent releases landed on October 10, 2026 and October 9, 2026 respectively.

Scorecard3 real differences · 7 level
PDF Flow versus Scantrix PDF Scanner: the parameters behind the verdict, then further details
ParameterPDF FlowScantrix PDF Scanner
PriceFreeFree
Rating5.0 (1 ratings)5.0 (1 ratings)
Positive reviews0.0% of reviews—
Number of ratings11
Update frequencyEvery 3 weeksEvery 3 days — better
AdsYesYes
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.615.5 — better
Further details — not scored
Size75 MB196 MB
Age rating4+4+
DeveloperFuzhou Qingyue Network Technology Co., Ltd.Corelink Solutions FZE

Customer experience

PDF Flow

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Scantrix PDF Scanner

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

PDF Flow

No in-app purchases

3 purchases

Scantrix PDF Scanner

Subscriptions2
  • Scantrix Monthly Premium$2.391 Month
  • Scantrix Yearly Premium$14.491 Year
One-time1
  • Scantrix Lifetime Premium$27.49

Questions

Is PDF Flow free?
PDF Flow is free to download, with no in-app purchases.
Is Scantrix PDF Scanner free?
Scantrix PDF Scanner is free to download, with in-app purchases available.
Which has better reviews, PDF Flow or Scantrix PDF Scanner?
PDF Flow and Scantrix PDF Scanner are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do PDF Flow or Scantrix PDF Scanner have ads?
Both PDF Flow and Scantrix PDF Scanner show ads.
Which is updated more often, PDF Flow or Scantrix PDF Scanner?
PDF Flow ships an update every 3 weeks, and Scantrix PDF Scanner every 3 days. Most recently, PDF Flow was updated on October 10, 2026 and Scantrix PDF Scanner on October 9, 2026.

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