PDF Reader Pro vs PDF Annotate Expert
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PDF Reader Pro
This app offers comprehensive tools for managing PDF documents on mobile devices. It allows users to read, edit text and images, annotate, fill forms, convert to various formats, compress files, and perform OCR. Organize, protect, and share your PDFs with ease.
- Read PDFs with multiple viewing options
- Edit PDF text and images
- Annotate with highlights, notes, and drawings
- Fill out PDF forms
- Convert PDFs to Word, Excel, and other formats
- Perform OCR on PDFs
- Compress PDF file sizes
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PDF Reader Pro helps much for anyone who reads, edit, highlights, OCR, signs, converts, creates, protects, compresses and fills out PDFs on their iPhone and iPad. It also makes it easy to organize, annotate and edit your PDFs. Import files from your computer or the cloud, then complete forms, add freehand drawings and audio notes and more. PDF Reader Pro offers even more - merge and combine multiple documents, split your PDFs, insert pages from another PDF, insert photos or hyperlinks to your PDFs, Convert PDF to Word and other Microsoft Office® formats. With support for reading files from popular productivity suites, it’s a convenient way to take the office anywhere you go. PDF Reader Pro Edition for Professional is your last choice of PDF application. READ ・ View PDFs with various themes like night mode to comfort your eyes. ・ Choose vertically/horizontally scroll pages or single pages/two pages/book mode. ・ Support crop mode, tabbed PDF reading, continuous page view, auto scroll and more. ・ Use text-to-speech feature to read selected text with no time limits. ・ Easy content navigation with bookmarks/outlines. ・ Fast files Printing to directly print PDFs from your device. ・ DRM, supports Vitrium* protected PDF files. ANNOTATE ・ Annotate PDFs with highlight, underline, strikethrough, note, freehand, text box, anchored note, rectangle, circle, line etc. ・ Create multiple signatures with trackpad, keyboard or images. ・ Insert pre-designed stamps such as Approved, Confidential and more. ・ Support to link any part of the text to a different page, email or website. ・ Share your annotated PDFs with others via PDF documents/Flattened copy/ Summary/ Original PDF. EDIT PDF ・Edit PDF text. Easily fix typos or other inaccurate content. Fast change the font color, size and style. ・Modify PDF images such as cropping, rotating, deleting, replacing, etc. Easily resize or move images for a better layout. ・Add and edit watermarks to keep your PDFs safe and professional. Watermark tiling is supported. ・Extract images from PDFs. ・Create a Flattened copy to flatten PDF to make the contents static. PAGE EDITOR ・ Merge & Split PDFs available, split documents into multiple documents or combine multiple pages into a new one. ・ Extract the desired pages to create a new PDF. ・ Insert blank pages / another PDF to import specified content. ・ Rotate, rearrange, add, and delete PDF pages. Fill FORMS ・ Work with static PDF forms created in Adobe Acrobat. ・ Fill out any PDF forms with interactive fields such as text fields, checkboxes, radio buttons, combo boxes, list boxes, etc. CONVERT PDF · Export from PDF to Microsoft Word (.docx), PowerPoint (.pptx), Excel (.xlsx), RTF, Text, Image, HTML, CSV, and more Offline. ・ Convert MS Office documents, iWorks, web content, and images to PDFs. ・ Create a new PDF as a blank PDF / from your clipboard content. COMPRESS PDFs ・ Compress large PDFs to reduce file size. PDF size-reduction for easily sharing. OCR · OCR pdfs to convert scanned PDF files or pictures into editable and searchable PDFs or TXT files. 50+ languages supported! PROTECT CONTENT WITH PASSWORD AND ENCRYPTION ・ Passcode to prevent unauthorized use of PDF Reader Pro. ・ Encrypt to protect your PDF files from unauthorized reading with a password. SCANNER ・Make continuous scans and automatically detect edges of scanned objects. Text-to-Speech ・ Support a total of 36 voices for 26 languages. WORK IN THE CLOUD ・ Store and secure files on iCloud Drive, Dropbox, OneDrive, Google Drive, Evernote, Box, FTP, WebDav, etc. Backup Files between iOS Devices, Mac and PC ・ Connect your iPhone/iPad with a desktop for transferring files using USB or WiFi connection. Support Various File Types ・ MS Office, iWork, image files ・ Compressed files (zip, rar) ・ audio and video files ・ Other file formats Have any feedback? Please contact us directly at support@pdfreaderpro.com Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
PDF Annotate Expert
Easily annotate, sign, and fill PDF documents. Add text, drawings, images, and signatures with extensive customization options. Save work as drafts and print wirelessly.
- Annotate with highlight, underline, strikethrough
- Drawing tools with multiple colors
- Unlimited signatures and multiple signers
- Fill text and save as templates
- Insert images and logos
- Cloud storage integration
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PDFAnnotateExpert helps to annotate and sign a PDF document in a simple and powerful way and collaborate it with other stakeholders. Features • Annotate PDF through text Highlight, Underline and Strikethrough with Undo option • And using drawing tools Pen, Line, Rect, Ellipse etc with support for multiple colors • Multiple Signers, and n-number of signatures, absolutely no restriction • Fill in text to document (name, initials, date, etc.) absolutely no restriction • Save fill in text as a template for reuse and less typing • Insert images (signature, company logs, personal ID) • Import pictures from picture library • Drag and drop your signatures, images, initials, custom text and other items and resize to fit any form • Mark and select checkbox annotations from predefined library • Supports many ink colors, text styles, font etc. • Quick access of history of most recently used annotations • Quick access of thumbnail view of larger document • Bookmark the pages where PDF document with multi-pages • Key Value pair text annotation to annotate the document with label and value line items like (contact details with name, address, email, phone, website), (addressing multiple stakeholders with name, designation) • Save work-in progress as draft and later come to finalize as signed document • Easy printing of documents by wirelessly • Connect and download documents from Google Drive, Sky Drive, Drop Box and even from browser The other support tools other than signature tool. • Initial to create and add initials to document • Text tool to enter text and add to PDF • Key value pair tool, Check box tool • Picture tool to include picture from library • Annotate list tool to get list of changes made in the PDF • Thumbnail view tool • Bookmark tool • Print tool to print the document wirelessly In App Purchase Unlock one time to annotate and sign unlimited documents App presentation in Slide Share http://www.slideshare.net/SNAdmin/pdf-annotate-with-esignature-from-supernova-tech
Screenshots
Verdict
The clearest difference is review sentiment: PDF Reader Pro at 64% against PDF Annotate Expert's 0%. PDF Reader Pro also leads on rating (4.4 vs 2.3) and update cadence (every 2 months vs every 69 months). PDF Annotate Expert's advantage is ads (none vs shown) and iOS requirement (9.0 vs 13.0). On price, in-app purchases, monetization model 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 Reader Pro sells 6 in-app purchases, starting at $39.99 per year and PDF Annotate Expert sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
PDF Reader Pro holds the better App Store score, 4.4 against 2.3. That said, the two scores are not equally well evidenced: PDF Reader Pro has 437 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 64% of PDF Reader Pro's written reviews are positive against 0% of PDF Annotate Expert's.
PDF Reader Pro ships an update every 2 months, PDF Annotate Expert every 69 months. The most recent releases landed on September 26, 2026 and September 9, 2026 respectively.
| Parameter | PDF Reader Pro | PDF Annotate Expert |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (437 ratings) — better | 2.3 (6 ratings) |
| Positive reviews | 63.7% of reviews — better | 0.0% of reviews |
| Number of ratings | 437 — better | 6 |
| Update frequency | Every 2 months — better | Every 69 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 9.0 — better |
| Further details — not scored | ||
| Size | 194 MB | 32 MB |
| Age rating | 4+ | 17+ |
| Developer | PDF Technologies, Inc. | SUPERNOVA TECH |
Customer experience
PDF Reader Pro
PDF Annotate Expert
Bugs and requests
PDF Reader Pro
Reported bugs
4 issues- Annotations not saving or displaying correctly
- App crashing when trying to convert or edit PDFs
- Syncing issues between devices
- Unexpected password locks on files
Requested features
4 requests- Undo/redo functionality for annotations
- More font and theme options
- Improved compatibility with cloud storage services
- Better support for older devices
PDF Annotate Expert
Not enough reviews yet to summarise bugs or requests.
In-app purchases
PDF Reader Pro
- Add 2-Device · Advanced Annual$39.991 Year
- Add Devices · Advanced Annual$49.991 Year
- PDF Pro · Advanced Annual$79.991 Year
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- PDF Pro · AI Annual1 Year trial$79.991 Year
- Permanent License$24.99
- PDF Pro · Advanced Permanent$39.99
PDF Annotate Expert
- Google Drive$4.99
- Sky Drive$4.99
- Unlock AnnotateExpert$9.99








