Comparison

SCAN ACE · PDF Scanner App vs PDF Scanner

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

Head to head
About

SCAN ACE · PDF Scanner App

Transform any document or image into a high-quality digital file. This app offers automatic edge detection, multiple scan modes, and advanced editing tools like OCR, filters, and watermarking. Securely manage, share, and convert your files with ease.

Highlights
  • Automatic document edge detection
  • Document, ID, and Passport scan modes
  • AI OCR for text recognition and copying
  • Professional editing filters
  • Add signatures and watermarks
  • Password protection for PDFs
  • Cloud storage integration
Features
Read full description

Turn a simple scan into perfect results - SCAN ACE Every file and image is consistently captured with clear, high-quality results. Trusted by millions of users worldwide for over a decade. SCAN ACE PROVIDES ALL THE TOOLS FOR DOCUMENTS: FULL FEATURE SCANNER - Automatically detects document edges with no manual angle adjustment required; - Supports Document, ID Card, Passport scan modes, and image to PDF conversion for different needs; - Provides the option to select page size when exporting documents; - Supports JPG, PDF, and image to PDF file formats for sharing ALL IN ONE PDF DOCUMENT EDITOR - Recognizes text in over 20 languages with AI OCR and supports content copying; - Professional filters including Color, Black & White, Photo, Grayscale; - Draw or scan a signature directly into documents; - Highlight important information with a marker. - Add a watermark to documents for protection or labeling. MANAGE & SHARE PDF - Add a password to PDF documents to keep them secure; - Send documents by fax or email, save to files, or upload to Google Drive, OneDrive, Box, and Dropbox; - Adjust PDF pages to reorder, delete, or rotate them; - Convert files to PDF or search PDF documents by keywords to quickly find what you need SUBSCRIPTION DETAILS - Weekly and annual subscriptions are available. - Payment will be charged to your iTunes account at confirmation of purchase. - Your subscription will automatically renew unless auto-renew is disabled at least 24 hours before the end of the current subscription period. - Automatic renewals will be charged at the same price you were originally charged for the subscription. - Subscriptions can be managed by going to Account Settings on the App Store after purchase. SCAN ACE is regularly updated with new features and improvements. If you encounter any issues, please contact us before leaving a review. We are always ready to help and guide you through using the app. If you have a problem or suggestion, please email support@neopixel.biz. You will receive a timely response and solution. Terms of Service: https://neopixel.ai/SCAN-ACE/terms Privacy Policy: https://neopixel.ai/SCAN-ACE/privacy

About

PDF Scanner

Effortlessly scan, edit, and export documents as PDFs or JPGs. This app offers multi-page scanning, OCR text extraction, and a comprehensive PDF toolbox for merging, splitting, and encrypting files. Share your scanned documents instantly via email or other platforms.

Highlights
  • Multi-page scanning
  • OCR text extraction
  • Flexible document editing
  • Merge and split PDFs
  • Encrypt PDFs
  • Export as PDF or JPG
Features
Read full description

Scan any document in seconds and seamlessly export, share, or email it as a PDF or JPG – all at no cost. This app is designed to be your go-to solution for document management, offering advanced features that are and always will be free. Key Features: • Multi-Page Scanning: Effortlessly scan multiple pages into a single document. • Flexible Document Editing: Rearrange pages before exporting to ensure everything is in order. • Various Export Options: Choose to export or share your document as a single PDF or multiple JPGs. • Easy File Importing: Import image files from your gallery or iCloud Drive, and even open PDFs directly from iCloud. • Smart OCR Technology: Extract text from any page using our state-of-the-art Optical Character Recognition (OCR). • Precision Border Detection: Automatically recognize document edges with options for manual adjustments. • Instant Printing: Print your documents directly from your phone in just a few taps. All-in-One PDF Toolbox: PDF Scanner also includes a built-in PDF toolbox, offering the following powerful tools: • Merge PDFs: Combine two or more PDFs into a single file. • Split PDFs: Divide a PDF into multiple files effortlessly. • Extract Pages: Select and export specific pages from a PDF. • Encrypt PDFs: Add a password to protect sensitive files. • PDF to Long JPG: Convert an entire PDF into one continuous JPG image. • Create Posters: Turn your PDF into a poster by selecting the number of columns. PDF Scanner is built on trusted technology, including OCR support from SwiftyTesseract, available under the MIT license (see details: https://github.com/SwiftyTesseract/SwiftyTesseract). Get scanning with PDF Scanner today – the only scanning app you’ll ever need! Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

SCAN ACE · PDF Scanner App4 screens
PDF Scanner4 screens

Verdict

The call

The clearest difference is monetization model: PDF Scanner at free with in-app purchases against SCAN ACE · PDF Scanner App's subscription. PDF Scanner also leads on update cadence (weekly vs fortnightly) and iOS requirement (14.0 vs 16.0). SCAN ACE · PDF Scanner App's advantage is ads (none vs shown) and ratings volume (39K vs 943). On price, rating, in-app purchases 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. SCAN ACE · PDF Scanner App sells 10 in-app purchases, starting at $2.99 per month and PDF Scanner sells 4 in-app purchases, starting at $0.99 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 — 4.8 for SCAN ACE · PDF Scanner App against 4.8 for PDF Scanner. That said, the two scores are not equally well evidenced: SCAN ACE · PDF Scanner App has 39K ratings behind it against 943, so its average is the more settled of the two. Written reviews are what separate them: 87% of SCAN ACE · PDF Scanner App's written reviews are positive against 71% of PDF Scanner's.

UpkeepUpdate frequency

SCAN ACE · PDF Scanner App ships an update fortnightly, PDF Scanner weekly. The most recent releases landed on September 25, 2026 and September 22, 2026 respectively.

Scorecard7 real differences · 4 level
SCAN ACE · PDF Scanner App versus PDF Scanner: the parameters behind the verdict, then further details
ParameterSCAN ACE · PDF Scanner AppPDF Scanner
PriceFreeFree
Rating4.8 (39K ratings)4.8 (943 ratings)
Positive reviews86.8% of reviews — better71.4% of reviews
Number of ratings39K — better943
Update frequencyFortnightlyWeekly — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationSubscriptionFree with in-app purchases — better
Best chart rank#183 — better—
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.014.0 — better
Further details — not scored
Size126 MB21 MB
Age rating4+4+
DeveloperNEO PIXEL LABS PTE. LTD.Golden Mind Services LTD

Customer experience

SCAN ACE · PDF Scanner App

All ratings39,124 ratings
Positive96.7%
Neutral1.1%
Negative2.2%
Written reviews1,987 reviews
Positive86.8%
Neutral3.5%
Negative9.7%

PDF Scanner

All ratings943 ratings
Positive95.4%
Neutral2.0%
Negative2.5%
Written reviews21 reviews
Positive71.4%
Neutral0.0%
Negative28.6%

User reviews

SCAN ACE · PDF Scanner App

From 39K App Store ratings

What we love

  • 💻 Easy to use
  • 🚀 Convenient for on-the-go scanning
  • 📁 Effective for organizing and storing documents
  • 🔍 Produces high-quality scans
  • ⚙️ Useful features like color/grayscale options

Room to improve

  • 🐛 Issues with recent updates (e.g., lost folder organization, decreased functionality)
  • 🔍 Quality concerns with some scans
  • 🔒 Unreliable cloud storage integration (Dropbox, Google Drive)
  • 💰 Frustration with subscription model after previous one-time purchase
  • 🤔 Confusing or unintuitive user interface

PDF Scanner

From 943 App Store ratings

What we love

  • 🚀 Fastest scanner
  • 👍 Easy to use
  • 💡 Handy for small businesses
  • 👍 Great for notaries
  • 👍 Automatic page detection

Room to improve

  • 🐛 Doesn't work on iPhone
  • 🐛 Export feature doesn't work
  • 👎 Confusing to use
  • 👎 Automatic camera too fast

Bugs and requests

SCAN ACE · PDF Scanner App

Reported bugs

3 issues
  • Crashes or freezes during use
  • Issues with batch scanning and document processing
  • Problems with exporting or sharing scanned documents

Requested features

4 requests
  • Restore folder organization and management
  • Improve cloud storage integration and sync
  • Add more customization options for file naming and organization
  • Enhance multi-page scanning and editing capabilities

PDF Scanner

Reported bugs

2 issues
  • Scanned documents not exporting
  • Incompatible with older devices

Requested features

2 requests
  • Better directions on how to use the app
  • Add email integration

In-app purchases

10 purchases

SCAN ACE · PDF Scanner App

Subscriptions10
  • Premium Plan - Monthly3 Days trial$2.991 Month
  • Premium Plan - Weekly3 Days trial$4.997 Days
  • Premium Plan - Weekly$4.997 Days
Show 7 more
  • Premium Plan - Weekly3 Days trial$5.997 Days
  • Premium Plan - Monthly$9.991 Month
  • Premium Plan - Weekly7 Days trial$9.997 Days
  • Premium Plan - Yearly$19.991 Year
  • Premium Plan - Yearly1 Year trial$29.991 Year
  • Premium Plan - Yearly$29.991 Year
  • Premium Plan - Yearly$49.991 Year
4 purchases

PDF Scanner

Subscriptions3
  • Weekly Subscription$0.997 Days
  • Monthly Subscription$1.991 Month
  • Annual Subscription$6.991 Year
One-time1
  • No Ads and Unlimited Scans$8.99

Questions

Is SCAN ACE · PDF Scanner App free?
SCAN ACE · PDF Scanner App is free to download, with in-app purchases available.
Is PDF Scanner free?
PDF Scanner is free to download, with in-app purchases available.
Which has better reviews, SCAN ACE · PDF Scanner App or PDF Scanner?
SCAN ACE · PDF Scanner App and PDF Scanner are both rated 4.8 out of 5 on the App Store, from 39K and 943 ratings respectively.
Do SCAN ACE · PDF Scanner App or PDF Scanner have ads?
PDF Scanner shows ads; SCAN ACE · PDF Scanner App does not.
Which is updated more often, SCAN ACE · PDF Scanner App or PDF Scanner?
SCAN ACE · PDF Scanner App ships an update fortnightly, and PDF Scanner weekly. Most recently, SCAN ACE · PDF Scanner App was updated on September 25, 2026 and PDF Scanner on September 22, 2026.

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