PDF Reader vs PDF Book Reader
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PDF Reader
This app offers a superior PDF reading experience with its innovative Liquid Mode, which optimizes documents for mobile screens. It also provides robust tools for annotating, signing, managing, and sharing your PDF files, catering to both work and study needs.
- Liquid Mode for optimized mobile reading
- Annotation tools (pencil, text, highlighting)
- Handwritten signature insertion
- File management (move, merge, copy, delete)
- Cloud service integration (Wondershare, iCloud)
- Create blank PDFs and folders
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PDFelement - PDF Reader is a PDF reader using the latest technology. The newly connected Liquid Mode function allows you to enjoy the best reading experience. In addition, there are various annotation tools, file management, signature, Various functions such as cloud services can meet your PDF needs in work and study. PDF VIEWER • Liquid Mode gives you the best PDF reading experience • Star files to find them quickly • Easily locate recently accessed files in the "Recent" list. • Enter the page number to navigate to the desired page for viewing LIQUID MODE • Get the best PDF Reading experience with Liquid Mode • PDF document fully fits the mobile phone screen, no need to zoom in and out repeatedly. • Easily adjust brightness, font size,style, and spacing. ANNOTATE • Using Pencil to annotate like writing on the paper • Add text annotations, freely modify the text and background, border colors, choose the appropriate font and font size. • Supports many annotating tools like highlighting, underlining, squiggly lines, or strikethroughs. MANAGE • Move, merge, copy or delete files SIGNATURE • Enables handwritten signatures to be inserted anywhere within the document, while also offering the ability to zoom in and out for greater flexibility. • Built-in commonly used stamps CREATE • Quickly create completely blank PDF documents • Creat blank folders. SHARE • Sharing document content with others is just a click away with capture feature. • Select sentence(s) or pragraph(s) to share CLOUD SERVICE • PDF Reader supports uploading or downloading docs via computer, Wondershare document cloud and iCloud. Please note that this app only supports editing native PDF files. It does not support editing scanned or raster PDF. If you find you cannot edit text in PDF, please check if it is scanned PDF. Thank you! ---------------------------------------------------------------------------------------- Need HELP? Please contact us! We'll feedback to you ASAP. Email: pdfelement@wondershare.com Support Center: http://support.wondershare.com Forum: http://forum.pdf.wondershare.com Official Website: https://pdf.wondershare.com If you think this App helps you, your positive review in the App Store would be much appreciated.
PDF Book Reader
Easily read, manage, and annotate PDF books and documents. This app offers a smooth reading experience, powerful annotation tools, and seamless cloud integration. Organize, search, and share your PDFs with ease.
- Natural PDF reading and navigation
- PDF bookmarking and annotation
- Text search and OCR extraction
- PDF merging and page rearrangement
- Cloud storage integration (Google Drive, Dropbox, iCloud)
- File import and export via cloud and Files app
- PDF sharing and printing
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PDF Book Reader app helps you easily and naturally read PDF books and documents. It works as smooth as reading web pages in web browsers. PDF Book Reader is the best app to read, manage and annotate PDF Books and it works beautifully on iOS 14. The most powerful PDF Book reader, carefully designed and optimized specially for the iPhone & iPad. [ KEY FEATURES ] • Naturally read and navigate PDF books • Bookmark PDF e-Books • Annotate PDF e-Books • Search texts in entire PDF files • Extract texts by using OCR • Merge PDF files • Rearrange PDF pages by drag & drop • Connect with Google Drive, Dropbox, iCloud, Photos • Import files from Files, Photos, Google Drive, Dropbox • Automatically and securely save PDF files in Files app • Share PDF files via email, text (sms), cloud solutions • Print PDF files [ Upgrade to subscription version ] Upgrading to subscription version requires auto-renewal subscription. Payment will be charged to your Apple ID account at the confirmation of purchase. The subscription automatically renews unless it is canceled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage and cancel your subscriptions by going to your App Store account settings after purchase. Links to Your Privacy Policy and Terms of Use: http://www.btoj.com.au/privacy.html http://www.btoj.com.au/terms.html Please feel free to contact us for anything.
Screenshots
Verdict
The clearest difference is in-app purchases: PDF Reader at none against PDF Book Reader's 2. PDF Reader also leads on ads (none vs shown) and rating (4.3 vs 3.9). PDF Book Reader's advantage is update cadence (every 5 days vs every 2 months) and iOS requirement (13.0 vs 15.0). On price 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 Book Reader sells 2 in-app purchases, starting at $3.99 per month. PDF Reader asks for nothing beyond the download.
PDF Reader holds the better App Store score, 4.3 against 3.9. That said, the two scores are not equally well evidenced: PDF Reader has 3.9K ratings behind it against 31, so its average is the more settled of the two. Written reviews point the same way: 77% of PDF Reader's written reviews are positive against 61% of PDF Book Reader's.
PDF Reader ships an update every 2 months, PDF Book Reader every 5 days. The most recent releases landed on September 23, 2026 and September 13, 2026 respectively.
| Parameter | PDF Reader | PDF Book Reader |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (3.9K ratings) — better | 3.9 (31 ratings) |
| Positive reviews | 76.7% of reviews — better | 61.1% of reviews |
| Number of ratings | 3.9K — better | 31 |
| Update frequency | Every 2 months | Every 5 days — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 173 MB | 46 MB |
| Age rating | 4+ | 4+ |
| Developer | Wondershare Technology (Hunan) Co.,Ltd. | B TO J PTY LTD |
Customer experience
PDF Reader
PDF Book Reader
Bugs and requests
PDF Reader
Reported bugs
4 issues- Text boxes appearing randomly
- Inability to select/edit text in some PDFs
- Scrolling issues and page loading delays
- Incompatibility with certain PDF formats
Requested features
5 requests- Ability to edit text formatting (font, size, color)
- Support for multiple open documents
- Improved Apple Pencil integration
- Bookmark/favorite feature for frequently used PDFs
- Expanded cloud storage integration (OneDrive, Google Drive, etc.)
PDF Book Reader
Not enough reviews yet to summarise bugs or requests.
In-app purchases
PDF Reader
No in-app purchases
PDF Book Reader
- 1 Month Subscription$3.991 Month
- 1 Year Subscription$28.991 Year









