Comparison

SCAN ACE · PDF Scanner App vs Fast PDF Document Scanner App

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

Fast PDF Document Scanner App

Features
Read full description

Scan and share documents and photos with Fast Scanner, one of the best mobile scanner app with a lot of powerful editing features that you can’t find elsewhere. Scan any document, business cards, receipts, notes, faxes, books, photos, pictures at lightning-fast speed. Save and share scanned documents in PDF or JPEF formats, or edit them first with our built-in document editor and photo editor. One of our best features is the e-sign feature. You can add your e-signature to the electronic documents easily with just a few taps of your fingers.Fast Scanner also doesn’t require an internet connection to work, except when you want to share the files with other users. FEATURES OF FAST SCANNER FOR DOCUMENT AND PHOTOS: 1. Advanced Document Scanner: 
 * Works Offline, no connection is needed unless you want to share docs. * Ultra-fast, high quality document scanner for everyone
 * Scan and save documents in grayscale, black and white, or color. 
 * Save in high quality PDF or JPEG.
 * Automatic shutter and border detection for any scannable object.
 * Professional document processing features: enhancement, color correction, noise removing, automatic perspective corrections and more! 
 * Add Premium Logo of your Organizations to mark your documents. 
 2. Document Editing Tools: 
 * E-sign your documents with your signature. 
 * Change fonts, colors, sizes, and styles.
 * Change the thickness and color of the pen when you add an autograph.
 * Add different frames & backgrounds to your photos or documents.
 3. Document Save and Sharing Tools: 
 * Save scans to Photos. 
 * Share files via Instagram, Facebook, Twitter, Whatsapp, etc
 * Share files via Email
 4. Photo Editing Tools: 
* Photo adjustment for better result 
 * Add Time Stamps 
 * Add or Blur Background
 * Alpha Channel Effect
 * Create collages with your scanned photos
 * Rotate images and documents.
 Your scanned documents and photos are saved in your device unless you share them. We don’t have access to your documents. That’s why you can feel safe about your data and privacy. So, you see that Fast Scanner has functions beyond other similar apps that only offer the most basic scanning functions. With Fast Scanner, you don’t have to download multiple apps to get these tools. You will also be amazed with the quality of the scanned documents. That’s why we are confident that Fast Scanner is a leading document scanner for iOS Device. Try it out now and be confident that you can use your mobile phone as a powerful office scanner through Fast Scanner. Most of the features of our app is FREE, even the advanced features such as document and photo editing tools. There are some optional in-app purchases to unlock features for professional uses: Pro Fonts, Pro Patents, Logos, Copyright, and Copyright from Premium work. These additional options are very affordable, especially considering that you are going to use them to polish your documents. You can check them out in the app. SUBSCRIPTION DETAILS: It is FREE to download and use. However, we also offer subscription option if you want to access the PRO feature on 3 or 12 month basis. Please note that we use Appstore standard procedure for subscription.
 Payment will be charged to your credit card through your iTunes account at confirmation of purchase. Subscription renews automatically unless cancelled at least 24 hours prior to the end of the subscription period. Subscriptions can be managed and auto-renewal turned off in Account Settings in iTunes after purchase. Once purchased, refunds will not be provided for any unused portion of the term.

 Your account will be charged for renewal within 24-hours prior to the end of the current period, for the price indicated above.

 Read our terms of use for more information:

 Terms of Use: https://www.privacypolicies.com/terms/view/68237bda8beeae140d2d63c47874716a We love to hear from you! you think will improve this app? Write to us.

Screenshots

SCAN ACE · PDF Scanner App4 screens
Fast PDF Document Scanner App4 screens

Verdict

The call

The clearest difference is update cadence: SCAN ACE · PDF Scanner App at fortnightly against Fast PDF Document Scanner App's every 3 months. SCAN ACE · PDF Scanner App also leads on chart position (#166 vs unranked). Fast PDF Document Scanner App's advantage is iOS requirement (13.0 vs 16.0). On price, ads, 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 Fast PDF Document Scanner App sells 4 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

SCAN ACE · PDF Scanner App ships an update fortnightly, Fast PDF Document Scanner App every 3 months. The most recent releases landed on October 16, 2026 and October 8, 2026 respectively.

Scorecard3 real differences · 8 level
SCAN ACE · PDF Scanner App versus Fast PDF Document Scanner App: the parameters behind the verdict, then further details
ParameterSCAN ACE · PDF Scanner AppFast PDF Document Scanner App
PriceFreeFree
Rating4.8 (39K ratings) — better—
Positive reviews86.8% of reviews—
Number of ratings39K — better—
Update frequencyFortnightly — betterEvery 3 months
AdsNoNo
In-app purchasesYesYes
MonetizationSubscription—
Best chart rank#166 — better—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.013.0 — better
Further details — not scored
Size126 MB118 MB
Age rating4+4+
DeveloperNEO PIXEL LABS PTE. LTD.Bushra Parveen

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

Fast PDF Document Scanner App

Not enough reviews yet to summarise bugs or requests.

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

Fast PDF Document Scanner App

Subscriptions3
  • One Month SC$2.991 Month
  • Three Month SC$9.493 Months
  • One Year SC$17.991 Year
One-time1
  • Life time - One time$24.99

Questions

Is SCAN ACE · PDF Scanner App free?
SCAN ACE · PDF Scanner App is free to download, with in-app purchases available.
Is Fast PDF Document Scanner App free?
Fast PDF Document Scanner App is free to download, with in-app purchases available.
Do SCAN ACE · PDF Scanner App or Fast PDF Document Scanner App have ads?
Neither SCAN ACE · PDF Scanner App nor Fast PDF Document Scanner App shows ads.
Which is updated more often, SCAN ACE · PDF Scanner App or Fast PDF Document Scanner App?
SCAN ACE · PDF Scanner App ships an update fortnightly, and Fast PDF Document Scanner App every 3 months. Most recently, SCAN ACE · PDF Scanner App was updated on October 16, 2026 and Fast PDF Document Scanner App on October 8, 2026.

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