PDF Annotate Expert vs PDF Hero
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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
Read full descriptionHide full description
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
PDF Hero
Edit, create, and manage PDF documents on your mobile device. Annotate, fill forms, sign, and share files with ease. Offers advanced features like OCR and compression for enhanced document control.
- Create PDFs from scratch
- Edit text and annotate documents
- Fill and sign PDF forms
- Convert images/documents to PDF
- OCR for editable text
- Compress and merge PDFs
- Password-protect sensitive data
Read full descriptionHide full description
Looking for a convenient and easy-to-use PDF editor? View and edit PDF files on the go with PDF Hero! The app works on iPhone and iPad. PDF Hero helps you take control of your papers and run your business in the ever-changing digital world. Create and read PDFs, then annotate, edit, fill and sign forms, or share files. Manage paperwork hassle-free from anywhere – the office, remotely, or from home. There’s no need for printed copies when you can access and edit the docs you need, on the go – all in an app. Stay one step ahead when it comes to document management. CREATE & VIEW - Create PDFs from scratch. - Open and view any PDF file. - Zoom in and out while reading. - Search to find the necessary information using text search. - Read PDFs easier with Read Mode by creating bookmarks and navigating conveniently. EDIT & ANNOTATE - Edit text in your PDF files, fix typos, and correct paragraphs. - Add comments and annotations using text notes. - Write on PDFs with your finger or stylus. - Fill PDF forms. - Highlight key ideas and add shapes. - Insert images, crop, resize, or change the angle if necessary. MANAGE & STORE - Import files from your device or online storage services like iCloud and Dropbox. - Delete pages from a multi-page PDF document. - Share PDF files with or without annotations for further reading and commenting. - Print files right from your device. Level up with Premium features! PRO EDITING - Convert images and documents to PDF files. - Sign docs right on the screen of your device. - Add stamps to PDF documents. - Transform PDF files into editable text with OCR (Optical Character Recognition) technology. PRO MANAGEMENT - Compress PDFs and share them as ZIP files. - Manage PDF pages: add pages, rotate, and reorder them. - Share selected pages of a multi-page PDF file. - Merge two or more PDF pages into a single document. - Password-protect sensitive data. *To digitize printed copies and transform them into editable PDF scans, try our Scan Hero app! Subscription payments will be charged to your App Store account at confirmation of your purchase. Subscriptions will automatically renew and you will be charged unless auto-renew is turned off or unless you cancel at least 24 hours prior to the end of the current subscription or trial period. Any unused portion of a free trial period will be forfeited when you purchase a premium subscription during the free trial period. The cost of renewal depends on the Subscription Plan you choose. Subscriptions and auto-renewal may be managed by going to Account Settings after purchase or by contacting Customer Support. Privacy Policy: https://support.bendingspoons.com/privacy.html?app=1512973255 Terms of Service: https://support.bendingspoons.com/tos.html?app=1512973255 Got questions or suggestions? Please don’t hesitate to email us at pdfhero@bendingspoons.com
Screenshots
Verdict
The clearest difference is rating: PDF Hero at 4.6 against PDF Annotate Expert's 2.3. PDF Hero also leads on update cadence (every 3 weeks vs every 69 months) and ratings volume (10K vs 6). PDF Annotate Expert's advantage is iOS requirement (9.0 vs 14.0). On price, ads, in-app purchases and monetization model 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 Annotate Expert sells 3 one-off in-app purchases and PDF Hero sells 12 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.
PDF Hero holds the better App Store score, 4.6 against 2.3. That said, the two scores are not equally well evidenced: PDF Hero has 10K ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 0% of PDF Annotate Expert's written reviews are positive against 18% of PDF Hero's.
PDF Annotate Expert ships an update every 69 months, PDF Hero every 3 weeks. The most recent releases landed on September 9, 2026 and September 27, 2026 respectively.
| Parameter | PDF Annotate Expert | PDF Hero |
|---|---|---|
| Price | Free | Free |
| Rating | 2.3 (6 ratings) | 4.6 (10K ratings) — better |
| Positive reviews | 0.0% of reviews | 17.8% of reviews — better |
| Number of ratings | 6 | 10K — better |
| Update frequency | Every 69 months | Every 3 weeks — better |
| Ads | No | No |
| 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 | 9.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 32 MB | 536 MB |
| Age rating | 17+ | 4+ |
| Developer | SUPERNOVA TECH | Mosaic S.r.l. |
Customer experience
PDF Annotate Expert
PDF Hero
Bugs and requests
PDF Annotate Expert
Not enough reviews yet to summarise bugs or requests.
PDF Hero
Reported bugs
4 issues- Text disappearing or jumping around during editing
- Inability to save or transfer edited documents
- App crashing or freezing during use
- Incorrect rendering of PDF content
Requested features
4 requests- Improved text editing and manipulation
- Better file management and organization
- Seamless integration with other apps
- Clearer subscription and cancellation policies
In-app purchases
PDF Annotate Expert
- Google Drive$4.99
- Sky Drive$4.99
- Unlock AnnotateExpert$9.99
PDF Hero
- Weekly with free trial7 Days trial$3.997 Days
- Weekly Subscription$3.997 Days
- Weekly Premium$5.997 Days
Show 9 moreShow fewer
- Weekly Premium with Free Trial7 Days trial$5.997 Days
- PDF Hero Premium 1 Month$9.991 Month
- PDF Hero Premium 1 Month3 Days trial$10.991 Month
- PDF Hero Premium 1 Month3 Days trial2 variants$11.991 Month
- Convert & Merge PDF Documents3 Days trial$14.991 Month
- PDF Hero Premium 3 Months3 Days trial$19.993 Months
- PDF Hero Premium 1 Year3 Days trial$34.991 Year
- PDF Hero Premium 1 Year3 Days trial$89.991 Year
- PDF Hero Premium 1 Year3 Days trial$99.991 Year






