Right PDF Reader vs Book Reader For PDF
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Right PDF Reader
This application provides robust PDF viewing, annotation, and management tools. It allows users to organize, share, and sign documents with a user-friendly interface and advanced features.
- Fast PDF viewing
- Annotation tools (highlight, draw, text)
- Document organization with folders
- Cloud storage integration (Dropbox, WebDAV)
- Handwritten signature creation
- Form filling
- Password protection
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Right PDF Reader goes beyond a free PDF reader app. Created by a team of professionals in the PDF software business since 1993, Right PDF Reader has a simple UI that is easy to navigate and more features than average free readers. PDF Viewing - Fast document open speed - Browse lets you view PDFs in the device or iCloud - Supported thumbnail view - View PDF portfolio, comment, attachment and protected document - Single page view or continuous view available - Fit page width or whole page are also available under single page view - Use Day/Night mode to adjust brightness - After tapping page number, you can enter a number and jump to that page directly. - Quickly add and edit Bookmarks and Marks - Search document Note and Comments - Use highlight, cross-out and underline to annotate PDF with customizable color and opacity - Note lets you to add text comment anywhere in PDF - Use Draw Tools to mark up PDF with color, thickness and opacity of your choice. Move and undo are also supported - Batch remove comments Document Management - Create folder to organize PDFs better - Move or copy multiple documents to a folder - Compress multiple documents or folders, or extract any package quickly - Rename document - Attach one or multiple PDFs to an e-mail - Select and delete multiple documents Online Sharing - Get documents in and out of Dropbox - Add WebDAV servers to upload/download documents easily - Access documents in Gaaiho PDF online or upload documents directly to the app (permissions required), breaking the barrier between computer and your iPhone/iPad Handwritten signature - You can create a handwritten signature by drawing, using an image, or taking a photo - Sign anywhere in document Other Features - Fill a form - Use “open in” to share PDF files with other applications - Auto-memorize the point you quitted reading last time - Protect PDF with an open password - Print document
Book Reader For PDF
Easily import and read PDF documents from iCloud or AirDrop. This app offers simple navigation with tap-to-scroll and press-and-hold to flip pages, providing a straightforward reading experience.
- Import PDF from iCloud
- Import PDF with AirDrop
- Tap to scroll
- Press and hold to flip pages
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・ Import PDF from iCloud ・ Import PDF with AirDrop ・ Tap to scroll wisely ・ Press and hold to flip the book
Screenshots
Verdict
The clearest difference is review sentiment: Right PDF Reader at 92% against Book Reader For PDF's 17%. Right PDF Reader also leads on rating (4.6 vs 2.6) and ads (none vs shown). Book Reader For PDF's advantage is update cadence (monthly vs every 11 months). On price, ratings volume, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Right PDF Reader holds the better App Store score, 4.6 against 2.6. Both are backed by a comparable volume of ratings — 5 and 5 respectively. Written reviews point the same way: 92% of Right PDF Reader's written reviews are positive against 17% of Book Reader For PDF's.
Right PDF Reader ships an update every 11 months, Book Reader For PDF monthly. The most recent releases landed on September 27, 2026 and October 6, 2026 respectively.
| Parameter | Right PDF Reader | Book Reader For PDF |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (5 ratings) — better | 2.6 (5 ratings) |
| Positive reviews | 92.3% of reviews — better | 17.4% of reviews |
| Number of ratings | 5 | 5 |
| Update frequency | Every 11 months | Monthly — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 79 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | ZEON Corp | yuuichi tajima |
Customer experience
Right PDF Reader
Book Reader For PDF
In-app purchases
Right PDF Reader
No in-app purchases
Book Reader For PDF
No in-app purchases
Questions
Is Right PDF Reader free?
Is Book Reader For PDF free?
Which has better reviews, Right PDF Reader or Book Reader For PDF?
Do Right PDF Reader or Book Reader For PDF have ads?
Which is updated more often, Right PDF Reader or Book Reader For PDF?
Other comparisons
