Comparison

iBunkoHD vs Epub Reader with AI

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

Head to head
About

iBunkoHD

Experience reading novels, documents, and comic books with a realistic interface that mimics a physical book. Organize your library with a bookshelf, add notes to bookmarks, and easily transfer files from various cloud services. Enjoy enhanced readability with smart screen design and quick page navigation.

Highlights
  • Realistic paper book interface
  • Vertical and horizontal writing support
  • Double page spread view
  • Built-in Aozora Bunko library access
  • Customizable bookshelf organization
  • Bookmark with notes and text selection
  • Multiple file format support (.txt, .pdf, .zip, .rar, .cbz, .cbr)
Features
Read full description

iBunkoHD provides you the best way to read novels, documents and comic books on iPad. Thanks to a realistic interface, you can enjoy reading as you would with a real paper book. Reading on your iPad is now easier than ever! This is a great iPad app for all the book lovers! Won Good Design Award 2010 Ranked #1 in the Japanese App Store in 2010 Read books and comics in vertical setting with comfort ・Support both horizontal (left open) and vertical (right open) writings. ・The app automatically detects the binding direction of a PDF document. Double page spread and page effect ・When viewed landscape mode, the pages switch to the double page spread. The pages containing landscape format images are automatically treated as a double page spread. ・You can "flip" pages just like reading a real paper book. Feature about 230 built-in books and "Aozora Bunko" ・ You can download a book with simple controls from "Aozora Bunko", the Japanese digital library that provides copyright-free Japanese literary works. ・ The app comes with the well-known books from "Aozora Bunko". "Bookshelf" function ・Create a bookshelf as you need. ・You can easily choose a book you'd like to read by browsing the book covers displayed on the shelf. "Bookmark" function ・You can place as many bookmarks as you want and add notes on it. ・Select text as a bookmark in order to highlight the sentence. Supported file formats. iBunkoHD supports the following file formats as books: - .txt .pdf - .zip .rar (containing .txt or .jpg/.png files) - .cbz .cbr Transfer files ・Transfer the files using iTunes 'File Sharing' via the USB cable as well as via Dropbox, SkyDrive, pogoplug, Box, SugarSync. The app also supports both the WebDAV and the FTP servers. Utilize data from PDF ・Support the table of contents or hyperlinks on the file. ・Select and search words (when the data contains text). ・Using our own processing technology, app can select a Japanese words smoothly. Smart screen design removing the white space ・Eliminate unnecessary white space for better readability on the screen. Thumbnails of pages show quick reference for where you'd like to read ・List the page thumbnails at the bottom of the screen or in the full screen. ・The page with bookmarks will be attached a mark. You can also display only the page thumbnails which contain bookmarks. History back pages ・Viewed pages are saved in history so you can easily go back to the previous page. Look up words in the dictionary ・You can use the iPad's built-in dictionary as well as other dictionary apps that support custom URL schemes. ・Just select text and tap the button to look up the word. Support Bluetooth keyboards ・You can read without touching the screen by using the compatible device. Passcode lock ・You can set passcode lock on specific bookshelves or the "folder" screen that stored transferred files. Various page settings ・Available various settings such as enable/disable the flipping effect or change the position of the tap control. ・Customize your iBunkoHD to suit your own preferences! You will find many more convenient functions and settings.

About

Epub Reader with AI

This app is a versatile eBook reader supporting numerous file formats including EPUB, PDF, and documents. It offers editing capabilities, cloud integration, customizable reading options, and an AI assistant for summaries and translations. Organize your library with ease and enjoy a personalized reading experience.

Highlights
  • Supports EPUB, PDF, TXT, DOCX, and more
  • Edit documents directly within the app
  • Import/export from cloud services
  • Customizable themes and font sizes
  • AI-powered summaries and translations
  • Interactive annotations and form filling
Features
Read full description

Jump into a world of endless reading with Books Pro! It's the eBook reader that handles all kinds of file formats, making sure you get the most out of every reading session. Whether you're learning something new or just enjoying a good story, Books Pro's got you covered. Happy reading! Supported Formats: - Text, Books and Documents: ePub Document (.epub), PDF Document (.pdf), Plain Text Document (.txt), Pages (.pages), Numbers (.numbers), Keynote (.key), HTML (.html), Markdown files (.md), Tex Document (.tex), TrueType Collection Font (.ttc), TrueType Font (.ttf), XLS (Excel files) (.xls), PPT (PowerPoint files) (.ppt), PPTX (PowerPoint files) (.pptx), XLSX (Excel files) (.xlsx), Zip Archive (.zip), RTFD Document (.rtfd), Plain Text Document (.txt), Microsoft Word document (.doc, .docx), RTF Document (.rtf) - Video: MP4 (.mp4), iTunes video (.m4v), H.264 Images, 3GPP (.3gp), 3GPP2 (.3g2), QuickTime movie (.mov) - Audio: MP3 (.mp3), AC-3 audio, AIFC audio (.aifc), AIFF audio (.aiff), AMR Audio (.amr), Sun/NeXT audio (.au), Enhanced AC-3, Apple m4a (.m4a), Core Audio, WAVE audio (.wav) - Images: HEIC (.heic), Adobe DNG (.dng), HEIF (.heif), Image File (includes .png, .jpg, .jpeg, .jpeg-2000), SVG Document (.svg) Main Features: - It's not just about reading; you can write and edit too! With Books Pro, easily edit documents right in the app in formats such as PDF, TXT, RTF, TeX, Markdown, and HTML. - Import and Export Ease: Directly import files from and export to various cloud services like iCloud Drive, Google Drive, Dropbox, and more. - Customizable Reading: Choose from multiple themes (dark, light, sepia) and font sizes. Enjoy text-to-speech in ePub and PDF files for a hands-free experience. - Interactive Annotations: Utilize the powerful PDF engine for extensive documents, including form fill-ins. Annotate, highlight, and insert text or images in your eBooks. - AI-Powered Assistance: Leverage the AI Assistant for summaries, translations, and even engaging discussions about your reading material. - Organization and Personalization: Manage your library with customizable folders, subfolders, and book covers. Privacy Policy http://www.noteswriter.com/Kairoos_Privacy_Policy.html EULA https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ This app requires users to have a subscription to unlock all the features after a 3-day risk-free trial.

Screenshots

Epub Reader with AI4 screens

Verdict

The call

The clearest difference is rating: Epub Reader with AI at 4.8 against iBunkoHD's 4.0. Epub Reader with AI also leads on update cadence (weekly vs every 2 months) and price ($4.99 vs $6.99). iBunkoHD's advantage is in-app purchases (none vs 2) and review sentiment (58% vs 50%). On ratings volume, ads 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

CostPrice · In-app purchases · Ads · Monetization

iBunkoHD costs $6.99 and Epub Reader with AI $4.99 up front. Epub Reader with AI sells 2 in-app purchases, starting at $1.99 per month. iBunkoHD asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Epub Reader with AI holds the better App Store score, 4.8 against 4.0. Both are backed by a comparable volume of ratings — 7 and 8 respectively. Written reviews complicate that: 58% of iBunkoHD's written reviews are positive against 50% of Epub Reader with AI's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

iBunkoHD ships an update every 2 months, Epub Reader with AI weekly. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

Scorecard7 real differences · 3 level
iBunkoHD versus Epub Reader with AI: the parameters behind the verdict, then further details
ParameteriBunkoHDEpub Reader with AI
Price$6.99$4.99 — better
Rating4.0 (7 ratings)4.8 (8 ratings) — better
Positive reviews58.5% of reviews — better50.0% of reviews
Number of ratings78 — better
Update frequencyEvery 2 monthsWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid — betterSubscription
DevicesiPadiPhone, iPad — better
Requires iOS12.0 — better16.4
Further details — not scored
Size35 MB263 MB
Age rating4+4+
DeveloperDWANGO Co., Ltd.Kairoos Solutions SL

Customer experience

iBunkoHD

All ratings7 ratings
Positive71.4%
Neutral0.0%
Negative28.6%
Written reviews142 reviews
Positive58.5%
Neutral9.2%
Negative32.4%

Epub Reader with AI

All ratings7 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews8 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

In-app purchases

None

iBunkoHD

No in-app purchases

2 purchases

Epub Reader with AI

Subscriptions1
  • Books Pro Full AI Assistant3 Days trial$1.991 Month
One-time1
  • Books Pro Upgrade$3.99

Questions

Is iBunkoHD free?
iBunkoHD costs $6.99, with no in-app purchases.
Is Epub Reader with AI free?
Epub Reader with AI costs $4.99, and also offers in-app purchases.
Which has better reviews, iBunkoHD or Epub Reader with AI?
Epub Reader with AI is rated higher. iBunkoHD averages 4.0 out of 5 from 7 ratings, while Epub Reader with AI averages 4.8 from 8 ratings.
Do iBunkoHD or Epub Reader with AI have ads?
Neither iBunkoHD nor Epub Reader with AI shows ads.
Which is updated more often, iBunkoHD or Epub Reader with AI?
iBunkoHD ships an update every 2 months, and Epub Reader with AI weekly. Most recently, iBunkoHD was updated on October 26, 2026 and Epub Reader with AI on October 25, 2026.

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