Comparison

PDF Pro vs PDF Highlighter

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

Head to head
About

PDF Pro

Edit, annotate, and read PDF documents on your iPhone and iPad. Highlight text, add notes, shapes, voice recordings, and photos. Search your entire PDF library, fill out forms, and sign documents.

Highlights
  • Edit and annotate PDFs
  • Highlight text and add notes
  • Embed audio and photo annotations
  • Full-text search of PDF library
  • Fill out and sign PDF forms
  • Organize PDFs with folders and tags
  • Import from cloud storage
Features
Read full description

PDF Pro lets you read, edit and annotate your PDF documents directly on your iPhone and iPad. Highlight text, take notes, embed shapes or draw with your finger. You can even embed voice recordings or photo annotations. Full-text-search your entire PDF library with just a single tap. Above all PDF Pro comes with full-featured PDF form and signature support. Key-Features At A Glance: • POWERFUL SEARCH: ∙ Full-text-search your entire PDF library. ∙ Search inside specific documents with easy navigation through the search results. ∙ Look-up selected text directly on Wikipedia or in the included dictionaries. • FILE-MANAGEMENT: ∙ Group your PDFs in folders and tag them with colorful labels. ∙ Import PDFs from your Dropbox®, Microsoft OneDrive® or Google Drive®. ∙ Add PDFs via USB or WiFi. ∙ Open E-Mail attachments. • CLEAR VIEW: ∙ Easily browse through all your annotations. ∙ Full PDF outline support. You can even search the outline. ∙ Get an overview of all your bookmarked or annotated pages just with a single tap. • SHARE and PRINT: ∙ Easily share your annotated documents with your friends or co-workers. ∙ Print your annotated and edited PDFs. ∙ You can even share or print single pages of a document. • HIGH SPEED and STABILITY: ∙ Rapid viewing of PDF documents. ∙ Smooth display of very large PDF files. • NIGHT MODE: ∙ Makes reading in the dark much easier on the eyes. • SECURITY: ∙ Support for password-protected PDFs • AND MUCH MORE... Premium Features and Premium Offer include: • ANNOTATIONS and NOTES: ∙ Highlight text, take notes or draw with your finger. ∙ Powerful shape editor for arrows, rectangles, circles, lines and much more. ∙ Embed audio and photo annotations into your PDFs. ∙ Use predefined stamps or create your own. • DOCUMENT EDITOR: ∙ Create new pages. ∙ Export pages or merge them into existing documents. ∙ Reorder, rotate and delete pages. • CONTENT EDITOR: • Modify the existing content of PDF documents. • MULTITASKING: ∙ Work with multiple PDFs at a time. ∙ Copy and paste annotations, shapes, images or text from one PDF document into another. • FORM SUPPORT: ∙ Just fill out your PDF form, sign it with your handwritten signature and you are ready to send it via E-Mail or print it via AirPrint®. A monthly or annual subscription is required to get access to all premium features and premium offer. --- Subscriptions automatically renew monthly or yearly depending on your plan unless auto-renew is turned off at least 24-hours before the end of the current period. Plans are priced at $3.99USD monthly and $24.99USD yearly (pricing may vary in countries other than the U.S.). Payment will be charged to your App Store Account at confirmation of purchase. To avoid automatic renewal, you must turn off auto-renew at least 24 hours before your subscription ends. You can turn off auto-renew at any time from your App Store Account Settings. Terms of Use: https://pdf-pro.net/terms-of-service/ Privacy Policy: https://pdf-pro.net/privacy-policy/

About

PDF Highlighter

Easily edit and highlight text, photos, and documents directly on your phone. This app provides realistic highlighting tools and drawing functions to mark important sections of PDFs and images, allowing you to save and share your annotated files.

Highlights
  • Edit and highlight PDF files and photos
  • Use realistic highlighter pen tool
  • Freehand drawing with pen, line, arrow, rectangle, and circle tools
  • Change drawing tool colors and sizes
  • Zoom in/out PDF pages
  • Export highlighted PDFs and photos
  • Add, delete, or edit PDF pages
Features
Read full description

PDF Highlighter, Now easy to highlight important text, add notes, and annotate PDFs with ease. Customize documents using text, signatures, arrows, circles, lines, and colorful markup tools. Draw, edit, and organize your files with professional annotation features designed for work, study, and everyday productivity. Turn any PDF into an interactive and editable document in just a few taps. Easy to read & convert all image formats into PDF files with password security. The complete PDF toolkit for reading, editing, scanning, converting, and managing documents on your iPhone and iPad. Whether you're reviewing contracts, studying notes, filling forms, highlighting important sections, or creating PDFs from photos, PDF Highlighter - Read & Edit gives you everything you need in one powerful and easy-to-use app. Designed for students, professionals, teachers, business users, and anyone who works with documents every day. Now here you can edit PDF files and highlight the important and hide confidential text in PDF files easily. This will help you for protecting your privacy and ensuring confidential information stays hidden. Whether you need to redact personal details from a PDF files or colorise important information in PDF files. ** Key Features - Powerful PDF Editor • Edit and annotate existing PDF documents • Add images to PDF pages or scan to generate PDF files • Save changes as a new copy or replace the original file • Create professional documents on the go - Advanced PDF Highlighter & Annotation Tools • Highlight important text with multiple colors • Add notes and comments • Draw directly on PDF pages • Add custom text anywhere in the document • Insert signatures and initials • Undo and redo changes instantly - Smart PDF Reader • Open and read PDF files quickly • Smooth scrolling and fast page navigation • Search text inside PDFs • Jump directly to any page • Zoom in and out with ease • Recent files for quick access • Open PDF files from other apps • List and Grid view modes • Organize files by folders - Professional Markup Tools • Pen and freehand drawing tools • Multiple pen styles and colors • Adjustable font styles and sizes • Arrow tool • Line tool • Circle and filled circle tools • Shape drawing support • Precision editing with zoom controls • Blur or hide important text information - Scan to PDF • Scan documents using your camera • Create high-quality PDFs from images • Automatic document detection • Save scans in portrait or landscape mode • Perfect for receipts, notes, contracts, invoices, and forms - Image to PDF Converter • Convert photos into PDF documents • Combine multiple images into a single PDF • Rearrange pages before creating PDF • Create professional PDF files in seconds - PDF Conversion Tools • PDF to Word • Word to PDF • Image to PDF • Scan to PDF • PDF to ZIP • Fast and reliable document conversion - PDF Management Tools • Merge multiple PDF files • Compress PDF files to reduce size • Batch compress multiple PDFs • Organize and manage documents easily • Rename, move, and share files - Privacy & Security • Lock PDF files with passwords • Protect sensitive documents • Secure file management • Keep your important files private - Save & Share Anywhere • Export and share PDFs instantly • Share files via email, messaging apps, and more • Print PDF documents directly from your device - Why Choose PDF Highlighter - Read & Edit? • Fast and lightweight • Professional PDF editing tools • Powerful highlighter and annotation features • Complete document management solution • Easy-to-use interface • Perfect for work, study, business, and personal use Download now and take full control of your PDF documents anytime, anywhere. Privacy Policy: https://shadowphotovideoeditorzoneappspolicy.blogspot.com/2024/02/shadow-photo-video-editor-zone-privacy.html Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

PDF Pro4 screens
PDF Highlighter4 screens

Verdict

The call

The clearest difference is review sentiment: PDF Pro at 60% against PDF Highlighter's 0%. PDF Pro also leads on rating (4.7 vs 3.0) and update cadence (every 2 months vs every 95 months). PDF Highlighter's advantage is monetization model (free vs subscription). 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. PDF Pro sells 12 in-app purchases, starting at $1.99 per month and PDF Highlighter sells 3 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

PDF Pro holds the better App Store score, 4.7 against 3.0. That said, the two scores are not equally well evidenced: PDF Pro has 6.9K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 60% of PDF Pro's written reviews are positive against 0% of PDF Highlighter's.

UpkeepUpdate frequency

PDF Pro ships an update every 2 months, PDF Highlighter every 95 months. The most recent releases landed on October 20, 2026 and October 2, 2026 respectively.

Scorecard5 real differences · 5 level
PDF Pro versus PDF Highlighter: the parameters behind the verdict, then further details
ParameterPDF ProPDF Highlighter
PriceFreeFree
Rating4.7 (6.9K ratings) — better3.0 (1 ratings)
Positive reviews60.0% of reviews — better0.0% of reviews
Number of ratings6.9K — better1
Update frequencyEvery 2 months — betterEvery 95 months
AdsNoNo
In-app purchasesYesYes
MonetizationSubscriptionFree — better
DevicesiPhone, iPad, MaciPhone, iPad, iPod
Requires iOS17.017.0
Further details — not scored
Size97 MB33 MB
Age rating4+4+
DeveloperDominic RodemerJaydeep Dhameliya

Customer experience

PDF Pro

All ratings6,945 ratings
Positive93.4%
Neutral3.2%
Negative3.4%
Written reviews425 reviews
Positive60.0%
Neutral10.4%
Negative29.6%

PDF Highlighter

All ratings1 ratings
Positive0.0%
Neutral100.0%
Negative0.0%
Written reviews4 reviews
Positive0.0%
Neutral25.0%
Negative75.0%

Bugs and requests

PDF Pro

Reported bugs

5 issues
  • Annotations and highlights randomly disappearing
  • Compatibility issues with newer iOS versions
  • Corrupted PDF files after editing
  • Slow performance on older devices
  • Inconsistent behavior when switching between PDFs

Requested features

5 requests
  • Improved bookmarking and note-taking
  • Seamless iCloud/cloud storage integration
  • Customizable keyboard shortcuts
  • Advanced text editing and OCR capabilities
  • Better organization and folder management

PDF Highlighter

Not enough reviews yet to summarise bugs or requests.

In-app purchases

12 purchases

PDF Pro

Subscriptions12
  • Offer - Monthly - macOS3 Days trial$1.991 Month
  • Offer - Monthly - iOS3 Days trial$2.991 Month
  • Premium - Monthly - iOS3 Days trial$3.991 Month
Show 9 more
  • Premium - Monthly - macOS3 Days trial$4.991 Month
  • Offer - Annual - iOS3 Days trial$12.991 Year
  • Offer - Annual - macOS3 Days trial$22.991 Year
  • Premium - Annual - iOS3 Days trial$24.991 Year
  • Offer - macOS + iOS3 Days trial$24.991 Year
  • Offer - iOS + macOS3 Days trial$29.991 Year
  • Premium - Annual - macOS3 Days trial$44.991 Year
  • Premium - iOS + macOS3 Days trial$49.991 Year
  • Premium - macOS + iOS3 Days trial$49.991 Year
3 purchases

PDF Highlighter

Subscriptions3
  • PDF Highlighter Purchase Week$2.997 Days
  • PDF Highlighter Purchase Month$9.991 Month
  • PDF Highlighter Purchase Year$110.991 Year

Questions

Is PDF Pro free?
PDF Pro is free to download, with in-app purchases available.
Is PDF Highlighter free?
PDF Highlighter is free to download, with in-app purchases available.
Which has better reviews, PDF Pro or PDF Highlighter?
PDF Pro is rated higher. PDF Pro averages 4.7 out of 5 from 6.9K ratings, while PDF Highlighter averages 3.0 from 1 ratings.
Do PDF Pro or PDF Highlighter have ads?
Neither PDF Pro nor PDF Highlighter shows ads.
Which is updated more often, PDF Pro or PDF Highlighter?
PDF Pro ships an update every 2 months, and PDF Highlighter every 95 months. Most recently, PDF Pro was updated on October 20, 2026 and PDF Highlighter on October 2, 2026.

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