Comparison

Nautilus vs pScanner

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

Head to head
About

Nautilus

This research-focused browser allows users to read the web, annotate pages, and interact with AI for summaries and explanations. It also facilitates document creation and organization, syncing across devices.

Highlights
  • Web browsing with research tools
  • AI-powered page summarization and translation
  • Direct annotation on web pages
  • Export markup as PDF or Word
  • Read and annotate PDFs
  • Document drafting and organization
  • AI writing assistance
Features
Read full description

Nautilus is a web browser built for research. Read the web, mark it up, ask AI about what you find, and write up your work without leaving the app, on iPad and iPhone. Students, researchers, journalists, writers and professionals use it to go from first search to finished document in one place. Browse with research tools built in Open pages in tabs, pin the ones you come back to, and keep sites in bookmarks and history. Switch to Reader for a clean page without distractions, or let Reader turn on automatically. Request the desktop version of a site when you need it. Understand any page Ask AI about the page you're reading. Summarize a long article, or translate a page into your language or into English, then switch back to the original at any time. Circle it with Magic Lasso Circle a passage, chart or image on a page. Ask AI to explain it, ask your own question, highlight it, or save it as a clip on your Clippings board so your findings stay together. Mark up the web Draw and write directly on web pages. Export a page with your markup as a PDF in A4, Letter or Legal size, or as a Word document, Markdown, RTF, plain text or an image. Read and annotate your sources Open PDFs, papers and reports in tabs beside your web pages. Highlight, write in the margins, add comments, and compare two documents side by side. Fill and sign forms, scan paper pages into PDFs, measure scaled drawings, and hide sensitive text before you share. Write it up Draft in Word documents, RTF, Markdown or plain text. Plan a long paper or book section by section on a Corkboard, keep your sources open next to the draft, take snapshots of earlier versions, and compile everything into one document or ebook. Study Projects gather the readings for each subject in one place. AI help from first idea to final draft Chat through ideas, ask about your own documents, and get explanations. Rewrite, simplify, correct spelling and grammar, change the tone, or translate what you've written. Also in Nautilus Record lectures and interviews and create transcripts. Connect ideas on whiteboards with sticky notes, organize plans in outlines, and work through calculations and charts in Math Notebooks. Your library, safe and in sync Keep documents in folders and notebooks with covers, and find anything with search. Export to PDF, Word, HTML, EPUB and more. Sync with iCloud, Dropbox, Box, Google Drive or WebDAV. Automatic saving, recovery and backups protect your work, and passcodes lock the app or private folders. Formerly Notes Writer Pro Nautilus is the new name of Notes Writer Pro. Your existing PDF notes and outlines open here. Privacy Policy http://www.noteswriter.com/Kairoos_Privacy_Policy.html Terms of Use https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

pScanner

Transform your phone into a powerful scanner to digitize documents, receipts, and IDs. Convert scans to various formats like PDF, Word, and TXT, with OCR for text extraction. Securely share and print your digital files with ease.

Highlights
  • HD scans with auto-edge cropping
  • OCR text recognition
  • PDF generation with signatures and watermarks
  • Multi-format export (Word, TXT, JPG)
  • Wireless printing
  • ID and card scanning
  • Secure file encryption
Read full description

Turn Your Phone into a Powerful Scanner! Pocket Scanner transforms paper documents into high-quality digital files in seconds. Convert scans to PDF, JPG, Word, TXT, and more. Print directly or share via email, messaging apps, or cloud platforms with one tap. Key Features 1. Crisp Scanning & Smart Editing - HD scans with auto-edge cropping and customizable filters. 2. OCR Text Recognition - Accurate text extraction with intelligent OCR technology. 3. Smart PDF Tools - Generate PDFs instantly. Add signatures, watermarks, or password protection. 4. Multi-Format Conversion - Export to Word, PDF, TXT, JPG, etc. 5. Wireless Printing - Print documents directly from your phone to compatible printers. 6. ID & Card Scanning - Scan IDs, licenses, or cards with 1:1 precision. Auto-align to A4/Letter size. 7. High-level Security - Secure file encryption & password-protected sharing. 8. Bulk Processing - Handle large files and image batches effortlessly. 9. Smart Organization - Categorize documents with custom folders and tags. Use Cases 1. Document Scanning & Management - Scan Anything, Anytime Contracts, notes, books, receipts, posters—scan multi-page docs in seconds. - Auto-Crop & Enhance Remove clutter and optimize scans with brightness/color adjustments. - Professional PDFs Create print-ready PDFs in A4, Letter, or custom sizes. - Cloud Sync & Share Save to Photos, email PDFs, or share via AirDrop. 2. Text Extraction & Editing - Scan-to-Text Convert printed/handwritten text to editable content (supports 15+ languages). - Boost Productivity Copy text from IDs, invoices, or business cards into apps instantly. 3. ID & Document Scanning - Digitize Critical Info Scan IDs, passports, or insurance cards. Print duplicates at 1:1 scale. 4. Study & Education - Paperless Learning Scan textbooks, notes, or exams to create digital study guides. - Smart Flashcards Turn scanned quizzes into shareable digital flashcards. 5. Business & Productivity - On-the-Go Office Scan contracts, whiteboards, or receipts during meetings or travel. - Team Collaboration Share annotated PDFs via Slack, Teams, or email in one click. 6. Everyday Convenience - Preserve Memories Digitize photos, recipes, or travel souvenirs. - Travel Ready Store scanned itineraries, tickets, and maps offline. Why Professionals & Students Love It - Time-Saving – Ditch manual typing with instant OCR. - Pro-Quality Scans – Crisp results rivaling desktop scanners. - High-level Privacy – Your docs stay 100% secure. - Apple Ecosystem Ready – Works seamlessly with AirPrint, Files app, and iCloud. Download Now – Join 5M+ users who trust Pocket Scanner for work, school, and life! pScanner PRO -Subscribe to get Pro access to all features. You will be charged after the purchase confirmation. -Subscriptions to our scanner app auto-renew 24 hours before the expiration date. You can manage your subscriptions in account Settings on the App Store. Terms of Use of pScanner: Scanner App: https://www3.yunhu.net.cn/agreement/terms Privacy Policy of pScanner: Scanner App: https://www3.yunhu.net.cn/agreement/privacy We'd love to hear your feedback: pscanner.feedback@gmail.com

Screenshots

Nautilus4 screens
pScanner4 screens

Verdict

The call

The clearest difference is ratings volume: Nautilus at 3.2K against pScanner's 150. pScanner's advantage is review sentiment (63% vs 48%) and iOS requirement (16.0 vs 26.0). On price, rating, update cadence 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. Nautilus sells 3 in-app purchases, starting at $3.99 per month and pScanner sells 8 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.6 for Nautilus against 4.6 for pScanner. That said, the two scores are not equally well evidenced: Nautilus has 3.2K ratings behind it against 150, so its average is the more settled of the two. Written reviews are what separate them: 48% of Nautilus's written reviews are positive against 63% of pScanner's.

UpkeepUpdate frequency

Nautilus ships an update every 11 days, pScanner every 8 days. The most recent releases landed on November 14, 2026 and November 12, 2026 respectively.

Scorecard3 real differences · 7 level
Nautilus versus pScanner: the parameters behind the verdict, then further details
ParameterNautiluspScanner
PriceFreeFree
Rating4.6 (3.2K ratings) — better4.6 (150 ratings)
Positive reviews48.2% of reviews63.0% of reviews — better
Number of ratings3.2K — better150
Update frequencyEvery 11 daysEvery 8 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPad — betteriPhone
Requires iOS26.016.0 — better
Further details — not scored
Size502 MB390 MB
Age rating17+4+
DeveloperKairoos Solutions SLAGI Scanner Technology Co., Ltd.

Customer experience

Nautilus

All ratings3,242 ratings
Positive90.9%
Neutral2.6%
Negative6.5%
Written reviews790 reviews
Positive48.2%
Neutral15.1%
Negative36.7%

pScanner

All ratings144 ratings
Positive90.3%
Neutral2.1%
Negative7.6%
Written reviews46 reviews
Positive63.0%
Neutral6.5%
Negative30.4%

User reviews

Nautilus

From 3.2K App Store ratings

What we love

  • 🚀 Excellent note-taking app
  • 📁 Great folder organization
  • 🎨 Customizable notebook covers
  • 🔍 Useful PDF annotation tools
  • 🤖 Impressive AI capabilities

Room to improve

  • 🐛 Frequent crashes and bugs
  • 🔄 Sync and file transfer issues
  • 🕰️ Slow performance and lag
  • 🔒 Poor customer support
  • 💰 Misleading upgrade pricing

pScanner

From 150 App Store ratings

What we love

  • 👍 Simple and easy to use
  • 💡 Useful scanning and editing features
  • 🚀 Fast processing speed

Room to improve

  • 🐛 Slow identification/scanning
  • 🔒 Paid features not as advertised
  • 🔋 High storage consumption

Bugs and requests

Nautilus

Reported bugs

5 issues
  • Notes randomly disappearing
  • Formatting issues with text and images
  • Unreliable audio recording and playback
  • Compatibility problems with newer iOS versions
  • Inability to transfer files between free and pro versions

Requested features

5 requests
  • Handwriting recognition
  • Improved eraser and shape tools
  • Customizable keyboard and toolbar
  • Better integration with cloud storage
  • Ability to rotate and resize images

pScanner

Reported bugs

2 issues
  • Unable to import local files
  • Scanning issues with thick books

Requested features

3 requests
  • Add night mode
  • Implement finger removal tool
  • Include password-protected PDF signing

In-app purchases

3 purchases

Nautilus

Subscriptions2
  • Nautilus Unlock All and AI3 Days trial$3.991 Month
  • Nautilus Unlock All and AI3 Days trial$14.991 Year
One-time1
  • Nautilus Pro Lifetime$14.99
8 purchases

pScanner

Subscriptions7
  • pScanner Premium$3.997 Days
  • pScanner Premium3 Days trial2 variants$3.997 Days
  • pScanner Premium3 Days trial$8.991 Month
Show 4 more
  • pScanner Premium3 Days trial$9.993 Months
  • pScanner Premium3 Days trial2 variants$39.996 Months
  • pScanner Premium$39.991 Year
  • pScanner Premium3 Days trial$69.991 Year
One-time1
  • 终身买断用户$399.00

Questions

Is Nautilus free?
Nautilus is free to download, with in-app purchases available.
Is pScanner free?
pScanner is free to download, with in-app purchases available.
Which has better reviews, Nautilus or pScanner?
Nautilus is rated higher. Nautilus averages 4.6 out of 5 from 3.2K ratings, while pScanner averages 4.6 from 150 ratings.
Do Nautilus or pScanner have ads?
Neither Nautilus nor pScanner shows ads.
Which is updated more often, Nautilus or pScanner?
Nautilus ships an update every 11 days, and pScanner every 8 days. Most recently, Nautilus was updated on November 14, 2026 and pScanner on November 12, 2026.

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