Comparison

Nitro PDF Pro vs SnapScan

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

Head to head
About

Nitro PDF Pro

Edit, read, sign, and secure PDF documents on your iOS device. This powerful yet lightweight app allows for on-the-go productivity with features like text editing, annotation, form filling, and cloud syncing.

Highlights
  • Edit PDF text
  • Annotate and highlight PDFs
  • Fill and save PDF forms
  • Sign and share PDF documents
  • Password protect PDFs
  • Sync with cloud storage
  • Merge and organize PDFs
Features
Read full description

Ready to do more with PDFs on iPad & iPhone? Edit, read, sign and sync PDFs in the cloud with the powerful, lightweight Nitro PDF Pro app designed for iPad & iPhone users. Packed with features to help you stay productive on the go, Nitro PDF Pro for iPad & iPhone lets you edit, sign, share and manage your documents wherever you are - all in a secure and user-friendly interface. Get started for free with a 14-day trial today. “Superior PDF handling, & economical” “Nitro PDF Pro has become an essential tool in my daily business operations! It makes everything from document preparation to communication much easier for me.” “If you are looking for a workhorse app to handle your PDFs made by responsive developers, look no further...” -> With Nitro PDF Pro you can: EDIT PDFs ON THE GO * Easily edit PDF text wherever you are, on any iOS device * Make notes and add comments to PDFs for quick, on-the-go reference * Add images or mark-up PDFs with drawings, with stylus support for iPad ANNOTATE & HIGHLIGHT PDFs * Add annotations to PDF text and documents * Highlight text to stay organized and keep track of important information FILL & SAVE PDF FORMS * Fill and save PDF forms for fast & easy productivity * Keep your PDF forms secure with password protection SIGN & SHARE PDF DOCUMENTS * Sign & share PDF documents in a snap * Save text, signatures and images in your Library for easy re-use * Keep documents synced with the cloud for on-the-go signatures PROTECT, SECURE & SYNC PDFs * Password protect PDFs to keep your data and confidential information secure * Set the level of document encryption as required * Sync with the cloud to back up PDFs on iCloud, Dropbox, Google Drive, or Microsoft OneNote MERGE, EXPORT & ORGANIZE PDFs * Merge multiple documents into one PDF in just a few clicks for easy organization * Import, export & organize PDFs in folders for fast access and easy on-the-go editing * Duplicate, add, delete or rearrange pages for simple, custom document creation ADDITIONAL AMAZING PDF EDITOR FEATURES * Duplicate, add, delete, rotate and rearrange pages * Enable easier PDF reading with dark mode, search and zoom * Email & Airdrop your documents, with PDF flattening for maximum compatibility * View two documents simultaneously with multiple windows (iPadOS) * Bluetooth pressure-sensitive stylus support - automatically works with Apple Pencil * Support for Adonit Jot Touch and Jot Script styluses Still exploring PDF editors for iOS? No pressure! Give Nitro PDF Pro iOS a try for free with a 14-day trial and see how you like its features and functions. We think you’ll love the value we pack into our easy-to-use PDF iOS app. Questions and issues regarding our PDF app? We're here to help! Connect with Nitro through our Community Forum: https://community.gonitro.com/ NITRO POLICY https://www.gonitro.com/legal/privacy-policy https://www.gonitro.com/legal/terms-of-service

About

SnapScan

This app allows you to easily scan documents, receipts, and photos using your iPhone. It offers editing tools, filters, and the ability to sign PDFs. Scans can be shared as PDF, JPG, or Word documents, improving productivity on the go.

Highlights
  • High-quality document scanning
  • Edit and enhance scanned images
  • Sign PDF files
  • Convert scans to PDF, JPG, or Word
  • Organize and manage scanned files
  • Share scans via email and cloud storage
Features
Read full description

Scan Snap is a US-based free imobile scanning tool that offers high-quality photo scans in just 3 steps. If you lack access to a machine for scanning or printing, there's no need to worry. This iPhone scanner app fits the entire work documents in your pocket and improves productivity by 3x.  3 Easy Scanning Steps to Follow - San documents or digitalize ID cards/passports - Edit and Save your scanned files - Share as PDF, JPG or Word Document Unlimited Doc Scanner * A must-have PDF scanner to snap high-quality scans of documents, receipts, contracts, photos, invoices, assignments, and more using your iPhone.  Free PDF Editor and File Manager * Edit your scanned images effortlessly.  * Apply filters and color to enhance readability. * Crop and rotate your images to get the perfect scan. * Remove paper skews and curves. * Sign PDF files and other documents. * Access and manage documents anytime. Convert Scan to PDF/JPG/Word * Share your scanned files via email, messaging apps, or cloud storage with just a tap. Sign PDF Files * Sign your scan manually or insert a signature from an image. Quickly and professionally sign official documents in few taps. User-Friendly Experience * This PDF scanner features a smooth, easy-to-use interface, making it simple to scan and organize your documents and photos with just a few taps. Why Choose Scan-Snap App? * Free Scanner App for iPhone: Access powerful scanning features at no cost. * Doc Scanner – Image to PDF: Smoothly convert images to PDF format. * Scanner App PDF Tool: All-in-one tool for all your scanning requirements. * Sign PDF - Sign documents and PDF files for Free. * Camera Scanner - A multi-page Camera Scanner to run fast. Free & Pro Options * Enjoy the basic features for free. * Unlock advanced features with in-app purchases for a premium experience. Download the SnapScan PDF Scanner App now and experience the convenience of having a portable scanner in your pocket. Perfect for students, professionals, and anyone who needs a reliable document scanner on the go. Subscription Plan Go premium today with an annual or monthly subscription to enjoy ads free, unlimited scans. Your payment will be charged to your iTunes Account at confirmation of purchase. Secondly, your subscription will renew automatically, but you can turn off auto-renewal by accessing your Account Settings 24 hours before the end of the current period. For suggestions regarding a Document Scanner app, Contact us at codebuster2021@gmail.com Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Nitro PDF Pro4 screens
SnapScan4 screens

Verdict

The call

Nitro PDF Pro and SnapScan both sit at 3.9 stars, but that hides the real split: 100% of SnapScan's written reviews are positive against 13% of Nitro PDF Pro's. SnapScan also leads on update cadence (every 5 weeks vs every 2 months) and iOS requirement (16.0 vs 18.0). Nitro PDF Pro's advantage is ratings volume (161 vs 4). On price, rating, 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. Nitro PDF Pro sells 2 in-app purchases, starting at $19.99 per year and SnapScan sells 4 in-app purchases, starting at $1.99 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 — 3.9 for Nitro PDF Pro against 4.0 for SnapScan. That said, the two scores are not equally well evidenced: Nitro PDF Pro has 161 ratings behind it against 4, so its average is the more settled of the two. Written reviews are what separate them: 13% of Nitro PDF Pro's written reviews are positive against 100% of SnapScan's.

UpkeepUpdate frequency

Nitro PDF Pro ships an update every 2 months, SnapScan every 5 weeks. The most recent releases landed on October 18, 2026 and October 16, 2026 respectively.

Scorecard4 real differences · 6 level
Nitro PDF Pro versus SnapScan: the parameters behind the verdict, then further details
ParameterNitro PDF ProSnapScan
PriceFreeFree
Rating3.9 (161 ratings)4.0 (4 ratings) — better
Positive reviews12.5% of reviews100.0% of reviews — better
Number of ratings161 — better4
Update frequencyEvery 2 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.016.0 — better
Further details — not scored
Size59 MB19 MB
Age rating4+4+
DeveloperNitro Software, Inc.Ihsan Ullah

Customer experience

Nitro PDF Pro

All ratings157 ratings
Positive70.1%
Neutral5.1%
Negative24.8%
Written reviews64 reviews
Positive12.5%
Neutral6.3%
Negative81.3%

SnapScan

All ratings4 ratings
Positive75.0%
Neutral0.0%
Negative25.0%
Written reviews23 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Nitro PDF Pro

Reported bugs

19 issues
  • Cannot reorder PDF files
  • Crashes when opening PDFs from websites/email
  • Does not save markups or documents
  • Difficulty creating new folders
  • Cannot rotate pages
Show 14 more
  • Cannot markup/draw on PDFs with editing disabled
  • Does not save documents after editing
  • Cannot rotate PDFs
  • Program freezes up
  • Fails to save after deleting pages
  • App crashes after update
  • Editing is lost prior to crash
  • Crashes every time to edit a PDF
  • Cannot handle deleting pages
  • Crashes when opening fillable PDFs
  • Crashes when typing in fields
  • No Apple Pencil support
  • Stylus link gives 404 error
  • Bugs like suddenly not being able to draw

Requested features

10 requests
  • Keyboard support (Cmd + F for search)
  • Ability to cancel search with Esc
  • OCR and conversion to text documents on tablets
  • User manual for iPad app
  • Support for Apple Pencil
Show 5 more
  • Ability to create table of contents
  • Ability to create fillable forms
  • Ability to rearrange pages
  • Ability to add to library
  • More intuitive interface

SnapScan

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

Nitro PDF Pro

Subscriptions1
  • Annual Subscription14 Days trial$19.991 Year
One-time1
  • Nitro PDF Pro for iOS$9.99
4 purchases

SnapScan

Subscriptions3
  • Master Scanner Weekly Plan3 Days trial$1.997 Days
  • Master Scanner Monthly Plan3 Days trial$4.991 Month
  • Master Scanner Yearly Plan3 Days trial$14.991 Year
One-time1
  • Master Scanner Lifetime Plan$24.99

Questions

Is Nitro PDF Pro free?
Nitro PDF Pro is free to download, with in-app purchases available.
Is SnapScan free?
SnapScan is free to download, with in-app purchases available.
Which has better reviews, Nitro PDF Pro or SnapScan?
SnapScan is rated higher. Nitro PDF Pro averages 3.9 out of 5 from 161 ratings, while SnapScan averages 4.0 from 4 ratings.
Do Nitro PDF Pro or SnapScan have ads?
Neither Nitro PDF Pro nor SnapScan shows ads.
Which is updated more often, Nitro PDF Pro or SnapScan?
Nitro PDF Pro ships an update every 2 months, and SnapScan every 5 weeks. Most recently, Nitro PDF Pro was updated on October 18, 2026 and SnapScan on October 16, 2026.

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