Comparison

SideBooks vs Comixor

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

Head to head
About

SideBooks

This app offers a high-performance PDF and comic viewer with realistic paper-turning animations. It supports various viewing directions, enhanced bookshelf management, and secure password protection for your documents. Easily import files from multiple sources and enjoy a customizable reading experience.

Highlights
  • Realistic paper curl animation
  • Multiple viewing directions
  • Enhanced bookshelf management
  • Password protection
  • Dropbox and iTunes file import
  • Supports PDF, ZIP, CBZ, RAR, CBR
Features
Read full description

SideBooks is a high performance, high speed PDF viewer that allows you to enjoy reading with the feel of actual paper. =Features= Curl animation that simulates the actual turning of paper pages has been added to the standard page slide function. Supports viewing from 3 directions, documents that open left to right, right to left and vertically. It provides the optimal environment for viewing any book. All zoom rates have been optimized providing high speed, dynamic screen display. An infinite hierarchy of folders can be created, moved, deleted, renamed, etc. using the enhanced bookshelf management function. Real visual bookshelf function that corresponds to back cover style display. Files can be imported by 3 methods, Network transfer through Dropbox, USB transfer through iTunes and direct transfer from other applications. Books can be protected so others cannot view them by using the password protected locking function. This is a universal application that operates on the iPhone, iPod Touch and iPad. =Functions= Overall: *Brightness Adjustment *Screen rotates to match the orientation of the device *Screen Rotation Lock *Password Protected Start-up Lock Viewer: *Support PDF,ZIP,CBZ,RAR and CBR format *Page Turning: Choose from slide or curl *Viewing Directions: Choose from opening left to right / right to left / vertically *Page Spacing: Choose form wide / narrow / none *Facing Pages: Choose the pair of facing pages by setting the cover to on or off *Trim function within the range of page display *Cache pre-read function for the previous and next pages *Set the display for each book and remember the page number of the last page read *Text search function (list display type) *Contents function (also supports hierarchy type) *Bookmark function (with editable memos) *Edit handwritten notes *Send to other applications (Open-In) *Send by email *Printing function (Air Print) *In-page link function *Link to outside URL function (built-in browser / Safari / Printing) *Display / Don't Display link buttons *Page turning function using tap or swipe *Expansion / Contraction function using pinch and double tap (1-1024x zoom) *Viewing of encrypted PDF files with password protection *Display / non-display of statusbar when reading Bookshelf: *Display form: Choose form list bookshelf / visual bookshelf *Function to set theme of visual bookshelf with each folder *Bookshelf thema extension pack (Add-On) *Cover editing function (corresponds to the trim) *File editing function: create, move, delete, setting for all books in folder *Bookmark list *Reading history list *Unread list *Edit of mark choose form already read / unread *Book name search function *Network transfer through Dropbox *USB transfer through iTunes *Direct transfer from other applications Special thanks to, "Give My Regards to Black Jack" SHUHO SATO Manga on Web http://mangaonweb.com

About

Comixor

A fast and modern reader for comics, manga, and webtoons. Import your files, organize your library with tags and filters, and enjoy a smooth, distraction-free reading experience with customizable tools.

Highlights
  • Support for CBZ, CBR, PDF, and EPUB formats
  • Organize with collections and custom tags
  • Multiple reading modes (scroll, page, webtoon)
  • Image auto-enhancements
  • Page annotations (Pro feature)
  • Smart image upscaling (Pro feature)
Features
Read full description

Comixor is a fast, modern comic, manga, and webtoon reader built for your personal collection. Import your own files, build a beautifully organized library, and enjoy a smooth, distraction-free reading experience—online or completely offline. Whether you read manga, webtoons, western comics, graphic novels, or scanned archives, Comixor gives you the tools to organize, read, enhance, and manage your collection your way. --- KEY FEATURES --- IMPORT YOUR COLLECTION • Import CBZ, CBR, PDF, Comic EPUB, CB7, and image folders • Batch import comics and folders • Drag and drop files on iPad • Package folders into comics automatically • Keep your entire collection available offline ORGANIZE YOUR LIBRARY • Create collections and organize comics your way • Use favorites to quickly access your favorite comics • Browse by author and series • Combine filters for precise library discovery • Search comics, authors, series, and publishers • Quickly find bookmarks and comments POWERFUL READING • Single Page, Double Page, Vertical Scroll, and Webtoon modes • Left-to-right and right-to-left reading • Responsive thumbnail browsing for quick page preview and navigation • Reading progress and resume position • Automatic contrast and image enhancements • Tint correction and margin cropping • Reading themes for a comfortable reading experience MANAGE YOUR LIBRARY • Track reading progress across your collection • Bookmark pages for quick access • Add comments and annotations • Search your bookmarks and comments • Manage cache and storage to save space • Protect parental controls with a passcode or biometrics • Enjoy a clean, ad-free reading experience • Personalize the app with themes and accent colors ADVANCED TOOLS — PRO • Create and manage custom tags • Remember reading modes and settings separately for each series • Customize reading presets, themes, page fitting, and auto-scroll • Adjust auto-scroll speed and auto-hide controls • Annotate comic pages with Apple Pencil or touch • Capture and crop panels • Smart image upscaling • AI-powered text enhancement • Detailed reading statistics and streaks • Unlimited collections • Advanced multi-tag filtering • And more Pro features BUILT FOR COMICS Comixor is designed for manga readers, comic collectors, webtoon fans, and anyone who wants complete control over their personal digital library. Your files stay yours. Import your collection, organize it your way, personalize your reading experience, and start reading. Start reading for free today. Upgrade to Comixor Pro to unlock advanced organization, filtering, reading customization, annotations, image tools, statistics, and additional library features. Terms of Use: https://comixor.app/terms/ Privacy Policy: https://comixor.app/privacy/

Screenshots

SideBooks4 screens
Comixor4 screens

Verdict

The call

The clearest difference is review sentiment: SideBooks at 74% against Comixor's 0%. SideBooks also leads on iOS requirement (9.0 vs 17). On price, update cadence, ads and in-app purchases 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. SideBooks sells 1 one-off in-app purchase and Comixor sells 3 in-app purchases, starting at $1.49 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 9 days. The most recent releases landed on October 17, 2026 and October 13, 2026 respectively.

Scorecard2 real differences · 8 level
SideBooks versus Comixor: the parameters behind the verdict, then further details
ParameterSideBooksComixor
PriceFreeFree
Rating4.6 (97 ratings) — better—
Positive reviews73.7% of reviews — better0.0% of reviews
Number of ratings97 — better—
Update frequencyEvery 9 daysEvery 9 days
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS9.0 — better17
Further details — not scored
Size32 MB23 MB
Age rating4+4+
DeveloperTatsumi-system Co., Ltd.Ratan Lal Prasad

Customer experience

SideBooks

All ratings97 ratings
Positive92.8%
Neutral2.1%
Negative5.2%
Written reviews518 reviews
Positive73.7%
Neutral9.1%
Negative17.2%

Comixor

Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Bugs and requests

SideBooks

Reported bugs

3 issues
  • Crashes when opening certain PDF files
  • Corrupted files cause repeated crashes
  • Dropbox integration issues on some devices

Requested features

6 requests
  • Add support for ePub and other popular formats
  • Implement iCloud/Google Drive integration
  • Allow manual rearrangement of bookshelf
  • Add dark mode and customizable background options
  • Improve bookmark and annotation features
Show 1 more
  • Implement a more intuitive file management system

Comixor

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

SideBooks

One-time1
  • Thema extension Add-On$0.99
3 purchases

Comixor

Subscriptions2
  • Comixor Pro Monthly7 Days trial$1.491 Month
  • Comixor Pro Yearly7 Days trial$9.991 Year
One-time1
  • Comixor Pro v1$17.99

Questions

Is SideBooks free?
SideBooks is free to download, with in-app purchases available.
Is Comixor free?
Comixor is free to download, with in-app purchases available.
Do SideBooks or Comixor have ads?
Neither SideBooks nor Comixor shows ads.
Which is updated more often, SideBooks or Comixor?
SideBooks ships an update every 9 days, and Comixor every 9 days. Most recently, SideBooks was updated on October 17, 2026 and Comixor on October 13, 2026.

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