Comparison

One Scan vs CaptainScanner

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

Head to head
About

One Scan

Easily scan, convert, and sign documents from your device. Organize your business and personal files with features like auto-detection, flash, and folder management. Edit, e-sign, and share your scanned documents quickly and efficiently.

Highlights
  • Scan documents with auto-detection
  • Convert to PDF instantly
  • E-sign and paraph files
  • Organize with folders and search
  • Share via email and text
  • Import files from cloud storage
Features
Read full description

One Scan turns your iPhone and iPad into a powerful AI scanner. Point, tap, done: documents, receipts, ID cards, books and photos become crisp, searchable PDFs in one tap. Then sign, edit, organize and share them in seconds. Everything you expect from a top scanner app, without the clutter. No settings to fiddle with, no learning curve: One Scan does the hard work for you. SCAN ANYTHING IN ONE TAP - Automatic edge detection, perspective correction and shadow removal - Batch mode: capture dozens of pages in a row and get a single multi-page PDF - Smart filters: color, grayscale, black & white, whiteboard and auto-enhance - Dedicated modes for documents, ID cards (front and back on one page), passports, business cards, books, receipts and photos - Import from Photos, Files, Mail or any app with the Share Sheet - Built-in QR code and barcode reader AI THAT DOES THE BORING PART - OCR text recognition in 100+ languages: copy, search and export the text of any scan - AI summaries and instant answers: ask a question about a contract, an invoice or a report and get the answer - Smart naming and auto-sorting: One Scan reads your document, names it and files it for you - Data extraction: pull dates, totals and vendors from receipts and invoices, ready to export - One-tap translation of scanned text SIGN AND EDIT PDFS - Sign with your finger, Apple Pencil or a saved signature; add initials, dates and text fields - Fill out forms, annotate, highlight, draw, add stamps and watermarks - Reorder, rotate, delete, merge and split pages - Compress files, choose the page size (A4, Letter…) and the margins - Export as PDF, JPG, PNG, TXT or Word ORGANIZE AND FIND EVERYTHING - Folders, tags and favorites - Full-text search inside your scans, powered by OCR - iCloud sync keeps your library up to date on iPhone and iPad - Save to Files, iCloud Drive, Google Drive, Dropbox or OneDrive - Share by Mail, Messages, AirDrop or WhatsApp, or print with AirPrint PRIVATE BY DESIGN - Your scans are processed on your device and stay in your library. No account required - Lock the app and individual documents with Face ID, Touch ID or a passcode - Password-protect PDFs before you share them - No ads, and we never sell your data MADE FOR IPHONE AND IPAD - Full iPad experience: Split View, drag and drop, keyboard shortcuts and Apple Pencil - Home Screen widgets, Siri Shortcuts and a Files extension to scan from anywhere - Optimized for the latest iOS and iPadOS PERFECT FOR Students, teachers, freelancers, small businesses, travelers and remote workers. Anyone who needs to scan contracts, receipts, notes, whiteboards, IDs or old family photos. Terms of Use: https://mwm.ai/legal/scanner/terms-of-use Privacy Policy: https://mwm.ai/legal/scanner/privacy-policy

About

CaptainScanner

Easily transform paper documents, receipts, and notes into digital PDFs. Organize, edit, sign, and share your files seamlessly. Protect your sensitive documents with password protection and access them across devices with cloud storage.

Highlights
  • Scan documents from camera or import files
  • Add text, annotations, and signatures
  • Rearrange and merge PDF pages
  • Convert PDFs to JPG or PNG
  • Password protection for PDFs
  • Cloud storage integration
  • Dark mode
Features
Read full description

CaptainScanner is the ultimate PDF scanner app for all your document needs! Turn your paper documents, receipts, and notes into PDF files with just a few taps. Say goodbye to cluttered desks and overflowing filing cabinets - keep all your important documents in one convenient place on your phone. Scan documents straight from your camera, import from your photo library or import files from the Files app. You can even scan both sides of your ID and get a neat, single-page PDF copy. With CaptainScanner, you can add text, annotations, and even your own signature to your PDFs. Need to move pages around or merge multiple files into one? No problem - we've got you covered. Once you're happy with your PDF, sharing it is a snap. You can send it to other apps or people with just a few clicks. So whether you're a busy professional, a student, or just someone who wants to keep their life organized, CaptainScanner is the app for you. Try it today and see why it's the best PDF scanner app out there! ► Scan documents straight from your camera ► Import images from your photo library or files from the Files app ► Scan both sides of your ID and get a neat, single-page PDF copy ► Add text and annotations to your PDFs ► Sign your PDFs with your own signature ► Rearrange pages or merge multiple files into one PDF ► Share your PDFs with other apps or people with just a few clicks ► Edit your PDFs with powerful tools like highlighter, underline, and strikethrough ► Convert your PDFs to other formats like JPG or PNG ► Apply filters to enhance the quality of your scans ► Auto-crop and auto-enhance features to optimize your scans ► Protect your PDFs with a password ► Cloud storage integration for easy access to your PDFs across devices ► Dark mode for comfortable scanning in low-light conditions Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

One Scan4 screens
CaptainScanner4 screens

Verdict

The call

The clearest difference is review sentiment: CaptainScanner at 100% against One Scan's 26%. CaptainScanner also leads on rating (4.9 vs 4.7) and iOS requirement (16.0 vs 26.0). One Scan's advantage is ratings volume (12K vs 41). On price, update cadence, ads and in-app purchases 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. One Scan sells 10 in-app purchases, starting at $3.99 per 7 days and CaptainScanner sells 3 in-app purchases, starting at $5.99 per year. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

CaptainScanner holds the better App Store score, 4.9 against 4.7. That said, the two scores are not equally well evidenced: One Scan has 12K ratings behind it against 41, so its average is the more settled of the two. Written reviews point the same way: 26% of One Scan's written reviews are positive against 100% of CaptainScanner's.

UpkeepUpdate frequency

One Scan ships an update every 2 months, CaptainScanner every 4 months. The most recent releases landed on October 2, 2026 and July 6, 2026 respectively.

Scorecard4 real differences · 6 level
One Scan versus CaptainScanner: the parameters behind the verdict, then further details
ParameterOne ScanCaptainScanner
PriceFreeFree
Rating4.7 (12K ratings)4.9 (41 ratings) — better
Positive reviews26.0% of reviews100.0% of reviews — better
Number of ratings12K — better41
Update frequencyEvery 2 months — betterEvery 4 months
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad
Requires iOS26.016.0 — better
Further details — not scored
Size41 MB13 MB
Age rating4+4+
DeveloperApp RoverTech Plus Beyond Inc.

Customer experience

One Scan

All ratings11,767 ratings
Positive91.2%
Neutral2.8%
Negative5.9%
Written reviews208 reviews
Positive26.0%
Neutral6.3%
Negative67.8%

CaptainScanner

All ratings41 ratings
Positive95.1%
Neutral4.9%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

One Scan

Reported bugs

3 issues
  • App freezes and becomes unresponsive
  • Scans not saving properly
  • Subscription charges continue even after cancellation

Requested features

3 requests
  • Free tier with limited scans
  • Ability to export scans to cloud storage
  • Better customer support and communication

CaptainScanner

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

One Scan

Subscriptions10
  • Weekly Premium Pass7 Days trial$3.997 Days
  • Weekly Premium Pass7 Days trial$5.997 Days
  • Scanner Premium Pass7 Days trial$7.997 Days
Show 7 more
  • Monthly Premium Pass7 Days trial$9.991 Month
  • Monthly Premium Pass3 Days trial$9.991 Month
  • Annual Premium Pass$29.991 Year
  • Annually Premium Pass7 Days trial$49.991 Year
  • Yearly Premium Pass3 Days trial$49.991 Year
  • Yearly Premium Pass.$49.991 Year
  • Annually Premium Pass7 Days trial$59.991 Year
3 purchases

CaptainScanner

Subscriptions1
  • Premium | Yearly3 Days trial$5.991 Year
One-time2
  • Lifetime Access$39.99
  • Lifetime Access$89.99

Questions

Is One Scan free?
One Scan is free to download, with in-app purchases available.
Is CaptainScanner free?
CaptainScanner is free to download, with in-app purchases available.
Which has better reviews, One Scan or CaptainScanner?
CaptainScanner is rated higher. One Scan averages 4.7 out of 5 from 12K ratings, while CaptainScanner averages 4.9 from 41 ratings.
Do One Scan or CaptainScanner have ads?
Neither One Scan nor CaptainScanner shows ads.
Which is updated more often, One Scan or CaptainScanner?
One Scan ships an update every 2 months, and CaptainScanner every 4 months. Most recently, One Scan was updated on October 2, 2026 and CaptainScanner on July 6, 2026.

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