Scanner Pro vs SCAN ACE · PDF Scanner App
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Scanner Pro
Transform your mobile device into a powerful document scanner. Effortlessly capture, enhance, and convert documents into various formats, including searchable PDFs. Sign, fill out forms, and securely share your files with advanced OCR and cloud integration.
- Automatic edge detection and perspective correction
- Convert scans to searchable PDF, Word, PowerPoint, JPG
- Add signatures and fill out forms
- OCR for editable text extraction
- Cloud sync and export to popular services
- QR code scanning
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Scanner Pro is a professional document scanner that turns your iPhone or iPad into a portable scan-to-PDF tool. Scan agreements, receipts, IDs, books, and more — Scanner Pro automatically detects borders, corrects perspective, and removes shadows to produce clean, ready-to-share PDFs in seconds. DOCUMENT SCANNER - Scan documents, receipts, pictures, IDs, books, and photos with automatic edge detection and perspective correction - Digitize and restore old photos in color, black & white, or grayscale - Highlight, write, and draw directly on your scanned documents CONVERT & EXPORT - Convert any scan into a searchable PDF in seconds - Export scans as PDF, Word, PowerPoint, or JPG - Merge multiple pages into a single PDF document - Add a password to protect sensitive PDFs, or remove one when no longer needed SIGN DOCUMENTS - Add your signature to any scanned document or PDF in seconds - Fill out forms and place text, checkmarks, and initials anywhere on a document - Send signed documents directly by email or to any app OCR & FULL-TEXT SEARCH - Turn scanned text into editable text with built-in OCR - Search across the text inside your scans instantly - Highlight important sections and copy text directly from your scans QR CODE SCANNER - Scan and decode QR codes instantly from the camera screen — point, capture, done SHARE & SYNC - Access every scan on all your devices with iCloud sync - Automatically export and upload scans to Dropbox, Evernote, Google Drive, Box, iCloud Drive, OneDrive, OneNote, or any WebDAV-enabled storage - Share unlimited scans by email or with any app, completely free - Translate scanned text into other languages You can also fax documents directly from your device. Scanner Pro supports 25+ languages, including English, French, German, Italian, Spanish, Portuguese, Dutch, Russian, Ukrainian, Turkish, Japanese, and Simplified and Traditional Chinese. Download Scanner Pro today for a fast, professional way to scan, organize, and share documents wherever you are. Share your feedback and comments at http://readdle.com/contact Privacy Policy: https://readdle.com/scannerpro/legal/privacy Terms of Service: https://readdle.com/scannerpro/legal/terms
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.
- 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
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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
Screenshots
Verdict
The clearest difference is monetization model: Scanner Pro at free with in-app purchases against SCAN ACE · PDF Scanner App's subscription. Scanner Pro also leads on ratings volume (338K vs 39K) and chart position (#28 vs #188). SCAN ACE · PDF Scanner App's advantage is review sentiment (87% vs 78%) and iOS requirement (16.0 vs 18.0). 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
Both are free to download. Scanner Pro sells 9 in-app purchases, starting at $3.99 per month and SCAN ACE · PDF Scanner App sells 10 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.9 for Scanner Pro against 4.8 for SCAN ACE · PDF Scanner App. That said, the two scores are not equally well evidenced: Scanner Pro has 338K ratings behind it against 39K, so its average is the more settled of the two. Written reviews are what separate them: 78% of Scanner Pro's written reviews are positive against 87% of SCAN ACE · PDF Scanner App's.
Both ship on a similar rhythm, roughly fortnightly. Both last shipped on November 11, 2026.
| Parameter | Scanner Pro | SCAN ACE · PDF Scanner App |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (338K ratings) — better | 4.8 (39K ratings) |
| Positive reviews | 77.7% of reviews | 86.8% of reviews — better |
| Number of ratings | 338K — better | 39K |
| Update frequency | Fortnightly | Fortnightly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases — better | Subscription |
| Best chart rank | #28 — better | #188 |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.0 | 16.0 — better |
| Further details — not scored | ||
| Size | 276 MB | 126 MB |
| Age rating | 4+ | 4+ |
| Developer | Readdle Technologies Limited | NEO PIXEL LABS PTE. LTD. |
Customer experience
Scanner Pro
SCAN ACE · PDF Scanner App
User reviews
Scanner Pro
From 338K App Store ratingsWhat we love
- 🚀 Excellent scanning quality
- 👍 Easy to use and intuitive
- 💾 Seamless cloud integration
- 🌟 Consistently great over the years
- 🔍 Accurate edge detection and cropping
Room to improve
- 🐛 Crashes and stability issues
- ⚠️ Unreliable cloud sync and file management
- 🔍 Struggles with low-quality or angled documents
- 💤 Slow performance with large documents
- 🙅♀️ Intrusive advertising and upselling
SCAN ACE · PDF Scanner App
From 39K App Store ratingsWhat 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
Bugs and requests
Scanner Pro
Reported bugs
3 issues- Sudden loss of scanned documents
- Inconsistent iCloud sync and storage
- Cropping and alignment issues after updates
Requested features
5 requests- Ability to create subfolders
- Improved OCR accuracy, especially for receipts
- Direct import of emailed documents
- Customizable naming and organization options
- Faster cloud sync and better offline access
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
In-app purchases
Scanner Pro
- Scanner Pro Plus7 Days trial$3.991 Month
- Expense Report7 Days trial2 variants$4.991 Month
- Scanner Pro Plus7 Days trial$6.991 Month
Show 5 moreShow fewer
- Scanner Pro Plus3 Days trial$7.997 Days
- Scanner Pro Plus7 Days trial$19.991 Year
- Scanner Pro Plus7 Days trial$29.991 Year
- Scanner Pro Plus3 Days trial$59.991 Year
- Scanner Pro Plus$59.991 Year
- Fax Pack 1$0.99
SCAN ACE · PDF Scanner App
- Premium Plan - Monthly3 Days trial$2.991 Month
- Premium Plan - Weekly3 Days trial$4.997 Days
- Premium Plan - Weekly$4.997 Days
Show 7 moreShow fewer
- 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
Questions
Is Scanner Pro free?
Is SCAN ACE · PDF Scanner App free?
Which has better reviews, Scanner Pro or SCAN ACE · PDF Scanner App?
Do Scanner Pro or SCAN ACE · PDF Scanner App have ads?
Which is updated more often, Scanner Pro or SCAN ACE · PDF Scanner App?
Which is more popular, Scanner Pro or SCAN ACE · PDF Scanner App?
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