PDF Pro vs Ink PDF Editor
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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/
Ink PDF Editor
This application allows users to quickly read, annotate, and edit PDF documents. It offers tools for marking up important information, navigating through documents with bookmarks, and even playing embedded audio. The app provides a straightforward way to manage PDF files on mobile devices.
- Quick PDF reading and viewing
- Full-text scroll and zoom
- PDF annotation tools
- Embedded PDF audio playback
- Bookmark creation and management
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Ink PDF Editor is a simple and easy-to-use PDF app. It helps you read and edit PDF files quickly and complete any PDF tasks effortlessly. • Quickly Read PDFs Quickly open and view PDF documents Enable full-text scroll, zoom in and out Choose single page or double page scroll mode • Annotate PDFs Mark up important information with professional annotation tools Various annotation styles and colors to choose from • PDF audio reading Recognize and play PDF embedded audio Support single loop/list mode • Bookmarks Add and edit bookmarks as you like to navigate your PDF documents easily
Screenshots
Verdict
The clearest difference is rating: PDF Pro at 4.7 against Ink PDF Editor's 4.1. PDF Pro also leads on ratings volume (6.9K vs 35) and review sentiment (60% vs 44%). Ink PDF Editor's advantage is in-app purchases (none vs 12) and update cadence (every 3 weeks vs every 2 months). On price, ads 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
Both are free to download. PDF Pro sells 12 in-app purchases, starting at $1.99 per month. Ink PDF Editor asks for nothing beyond the download.
PDF Pro holds the better App Store score, 4.7 against 4.1. That said, the two scores are not equally well evidenced: PDF Pro has 6.9K ratings behind it against 35, 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 44% of Ink PDF Editor's.
PDF Pro ships an update every 2 months, Ink PDF Editor every 3 weeks. The most recent releases landed on September 24, 2026 and September 17, 2026 respectively.
| Parameter | PDF Pro | Ink PDF Editor |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (6.9K ratings) — better | 4.1 (35 ratings) |
| Positive reviews | 60.3% of reviews — better | 44.4% of reviews |
| Number of ratings | 6.9K — better | 35 |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Subscription | Free — better |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Requires iOS | 17.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 91 MB | 27 MB |
| Age rating | 4+ | 4+ |
| Developer | Dominic Rodemer | Hefei T-Stack Information Technology Co., Ltd. |
Customer experience
PDF Pro
Ink PDF Editor
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
Ink PDF Editor
Not enough reviews yet to summarise bugs or requests.
In-app purchases
PDF Pro
- Offer - Monthly - macOS3 Days trial$1.991 Month
- Offer - Monthly - iOS3 Days trial$2.991 Month
- Premium - Monthly - iOS3 Days trial$3.991 Month
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- 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
Ink PDF Editor
No in-app purchases
Questions
Is PDF Pro free?
Is Ink PDF Editor free?
Which has better reviews, PDF Pro or Ink PDF Editor?
Do PDF Pro or Ink PDF Editor have ads?
Which is updated more often, PDF Pro or Ink PDF Editor?
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