Comparison

BookFusion vs Manga Viewer

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

BookFusion

Manage, read, and organize your eBooks across all devices with seamless cloud synchronization. Customize your reading experience with extensive settings, highlight notes, and text-to-speech functionality. Integrates with Calibre and supports various file formats.

Highlights
  • Cross-platform eBook reader and manager
  • Cloud sync for reading progress and eBooks
  • Customizable reading experience
  • Highlighting and annotation tools
  • Text-to-Speech (TTS) functionality
  • Calibre integration
  • Support for EPUB, PDF, CBZ/CBR
Features
Read full description

Thousands of readers use BookFusion to manage, read and enjoy over 2 million eBooks. BookFusion is the best cross platform eBook reader and manager with cloud sync that allows you to easily read, organize and manage your eBooks across all your devices. ◇ Features ◇ Integrated Reader - Read all your EPUB, PDF, & CBZ/CBR eBooks both online and offline with clean and intuitive interface . Extensive Reader Settings - Customize your reading experience from vertical/horizontal margins, line spacing, fonts, bold/italics, colors and much more. Seamless Syncing - Sync your reading progress, highlights & annotations, eBooks and bookmarks across all devices. Pick up exactly where you left off. Organize & Manage - Easily organize and access all your eBooks seamlessly whether offline or online. Organize your eBooks using virtual bookshelves or place them into Series. Quickly find the eBook you are looking for using the category, tags or author filters. The perfect eBook Organizer & eBook Manager in one. Light & Dark Mode – Dark or Light the preference is yours! Highlights & Annotations - Highlight with your preferred colors and add tags to highlights to keep them organized. Sort your highlights by date or reading progress and easily export them to use in other apps in CSV, Markdown, HTML and PDF formats eBook Cloud - Keep your entire eBook collection at the tips of your fingers by storing them in the cloud and downloading them to read offline only when you need to. Any title just a click away. Text-to-Speech (TTS) - Listen to your favorite eBooks with Apple's native natural-sounding text-to-speech feature. Customize reading speed, voice and accessibility. Ideal for audiobook lovers busy lifestyles and accessible for all readers. Send to Kindle – Organize and quickly send your next read to your Kindle device with one click. Calibre Integration - The perfect Calibre Ally. Sync metadata, custom columns, series, tags and incremental updated PDF & EPUB files to all your devices. Your entire Calibre library on your devices when you need it. Vertical Writing Support - Read Chinese, Vietnamese, Korean, and Japanese eBooks with ease. Image/Area Highlights & Annotations (PDFs) - Easily annotate/highlight images, tables, graphs or even text. Any element at all in your PDF can now be highlighted and annotated. EPUB 3 Support - With support for the full EPUB 3 spec. You can read eBooks with rich interactivity support that includes video, audio, Q&A, games and much more. Widgets – Quickly view and jump back into your last read, currently reading, or highlights right from your home screen with iOS Widgets. Multi-Window Support (iPadOS & macOS) – Open multiple books side by side, drag books into Split View, or read and view highlights simultaneously. Perfect for multitasking, studying, or comparing texts. NOTE: You will need to install the BookFusion Calibre Plugin to sync your eBooks to all your devices. See the tutorial at https://support.bookfusion.com/hc/en-us/articles/360018852052-Installing-Using-the-BookFusion-Plugin-for-Calibre Open With - Don’t like the integrated reader? Use the open with functionality to send and read your eBooks with your preferred app. No lock-in Metadata & Book Details – Know what an eBook is about at a glance or easily edit the cover, description, author tags and other information. Additional Formats Supported via Web - These include: AZW, AZW3, AZW4, CBC, CHM, DJVU, DOCX, FB2, FBZ, HTML, HTMLZ, LIT, LRF, PRC, PDB, PML, RB, RTF, SNB, TCR, TXT, TXTZ in a single app. These must be uploaded via the Web App before using the iOS App Choose from over 70,000 eBooks ◇ Other ◇ Have feedback or just want to chat? We would love to hear from you. Drop us a line at support@bookfusion.com or join us for a chat on Discord at https://www.discord.gg/7v34UYq Terms of Service - https://www.bookfusion.com/terms Privacy Policy - https://www.bookfusion.com/privacy

About

Manga Viewer

View comic and fictional image archives on your smartphone. Supports various compressed file formats and cloud imports. Offers features like night mode and automatic image cropping for an enhanced reading experience.

Highlights
  • Supports zip, rar, 7z, cbz, cbr, cb7 compressed files
  • PDF file support
  • Upload via PC web browser (WIFI)
  • Import from cloud apps (iCloud, Dropbox, Box)
  • Night mode and image brightness adjustment
  • Automatic image cropping
  • iCloud Sync for read progress
Features
Read full description

The simplest viewer app for viewing comic, fictional image archives Such as a cartoon or a novel, on a smartphone You can see it anywhere. Now that you've installed the app Try transferring files on your PC with WiFi * Some functions may not be supported on Mac(Apple Silicon) ** Characteristic ** - zip, rar, 7z, cbz, cbr, cb7 compressed files are supported (png, jpeg, jpg, gif, bmp, tif, tiff, jxl(iOS 26+), heif(iOS 18+) extension images are included, webp format is supported from iOS14) - Support for locked files (zip, rar, 7z, pdf) - PDF file support - TIF/TIFF file support (like PDF file, change in settings) - Upload via PC web browser (WIFI) - Import files from cloud apps such as iCloud, dropbox, circle drive, and Box - FTP support: browse, download - SSHFTP support - Secure FTP not supported - Cloud apps support file copy from mail attachments - one page view, two page view - Sharpen image filter - IPhone, iPad, Mac(Apple Silicon) support - Rotate the screen both horizontally and vertically - Image next page Zoom-in keep-alive function: Apply the previous book's zoom-in status in the following book. Please change your settings. - Screen off option: When set to ON, the screen automatically turns off at the time the device turns off. - Last file view, On / Off in setting - Next book auto-switching options: If you automatically change the next book switching option in Settings, tabs on the last page will automatically switch to the next book. (Default manual) - iCloud Sync : Synchronize the information (read location) of the read file and open the same file on another device (signed in with the same iCloud account) so that you can see it again. - Two pages in landscape mode: Two pages in landscape rotation, one page in vertical rotation, iPad only -Vertical scroll mode (= webtoon mode): scrolls vertically like webtoons, one-page mode is fixed, and some options are fixed and not applied. - Image / PDF Night mode: Invert color / Image brightness (1 to 3 steps), in-app purchase required - Night Mode - Invert Color: Invert the white background to black (gray) and black to white. This mode is suitable for viewing novels. - Night Mode - Image Brightness: You can change the brightness of the image in three steps without changing the screen brightness of the device. - Bluetooth keyboard: Supports page switching and screen closing function, direction key (asdw) page switch, ESC key viewer screen close (in-app purchase required) - A function that changes to the next page when the volume is changed. (The sound size will change as well. Please be careful. ON / OFF in setting. Need an in-app purchase or reward view.) - Blink: Recognizes eye blinks to switch pages (iPhone only, iOS 18+, in-app purchase required) - Automatic Image Crop: Automatically crops the empty space on all four sides of images with a white background. (iOS 16+, in-app purchase required) - Content Color: You can change and unify the content (pictures or text) within the image to a single color. A background color is applied to the image background excluding the content (In-app purchase required) - Select text: Long-click to select text within a page and copy, search, translate, or share (iOS 18+, in-app purchase required) Please send bugs or suggestions to junhuloveapple@gmail.com at the top right of the setting screen.

Screenshots

BookFusion4 screens
Manga Viewer4 screens

Verdict

The call

The clearest difference is ads: BookFusion at none against Manga Viewer's shown. On price, rating, review sentiment and ratings volume 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. BookFusion sells 6 in-app purchases, starting at $1.99 per month and Manga Viewer sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for BookFusion against 4.8 for Manga Viewer. Both are backed by a comparable volume of ratings — 529 and 350 respectively. Written reviews are what separate them: 76% of BookFusion's written reviews are positive against 83% of Manga Viewer's.

UpkeepUpdate frequency

BookFusion ships an update every 10 days, Manga Viewer weekly. Both last shipped on November 11, 2026.

Scorecard1 real difference · 9 level
BookFusion versus Manga Viewer: the parameters behind the verdict, then further details
ParameterBookFusionManga Viewer
PriceFreeFree
Rating4.7 (529 ratings)4.8 (350 ratings) — better
Positive reviews76.4% of reviews82.6% of reviews — better
Number of ratings529 — better350
Update frequencyEvery 10 daysWeekly — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.115.0 — better
Further details — not scored
Size158 MB95 MB
Age rating12+4+
DeveloperBookFusionkim juyoung

Customer experience

BookFusion

All ratings523 ratings
Positive92.7%
Neutral2.5%
Negative4.8%
Written reviews225 reviews
Positive76.4%
Neutral9.3%
Negative14.2%

Manga Viewer

All ratings350 ratings
Positive95.1%
Neutral2.0%
Negative2.9%
Written reviews195 reviews
Positive82.6%
Neutral6.7%
Negative10.8%

Bugs and requests

BookFusion

Reported bugs

5 issues
  • Highlights and notes not always saving properly
  • Reading position sometimes resets unexpectedly
  • Widget not functioning as expected
  • Occasional crashes and freezes
  • Issues with importing certain ebook formats

Requested features

6 requests
  • Add page numbers instead of just percentages
  • Implement a true dark mode
  • Improve PDF viewing and annotation capabilities
  • Add support for DJVU format
  • Provide an option to purchase a lifetime license
Show 1 more
  • Implement better organization tools like folders/shelves

Manga Viewer

Not enough reviews yet to summarise bugs or requests.

In-app purchases

6 purchases

BookFusion

Subscriptions6
  • Casual Monthly$1.991 Month
  • Advanced Monthly$4.991 Month
  • Power Monthly$9.991 Month
Show 3 more
  • Casual Yearly$18.991 Year
  • Advanced Yearly$47.991 Year
  • Power Yearly$95.991 Year
5 purchases

Manga Viewer

One-time5
  • Sponsor 1$0.99
  • Sponsor 2$1.99
  • Remove app ads$1.99
Show 2 more
  • Sponsor 3$3.99
  • Sponsor 4$7.99

Questions

Is BookFusion free?
BookFusion is free to download, with in-app purchases available.
Is Manga Viewer free?
Manga Viewer is free to download, with in-app purchases available.
Which has better reviews, BookFusion or Manga Viewer?
Manga Viewer is rated higher. BookFusion averages 4.7 out of 5 from 529 ratings, while Manga Viewer averages 4.8 from 350 ratings.
Do BookFusion or Manga Viewer have ads?
Manga Viewer shows ads; BookFusion does not.
Which is updated more often, BookFusion or Manga Viewer?
BookFusion ships an update every 10 days, and Manga Viewer weekly. Most recently, BookFusion was updated on November 11, 2026 and Manga Viewer on November 11, 2026.

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