iBunkoS vs 紀伊國屋ポイントアプリ
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iBunkoS
This app offers a realistic paper book reading experience on your iPhone, supporting various file formats like TXT, PDF, and comics. It includes features like a digital bookshelf, bookmarking with notes, and dictionary lookups.
- Realistic paper book interface
- Supports TXT, PDF, CBZ, CBR files
- 230+ built-in books and Aozora Bunko access
- Customizable bookshelf and bookmarks
- File transfer via USB, cloud, and servers
- Dictionary lookup integration
- Passcode lock for privacy
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iBunkoS provides you the best way to read novels, documents and comic books on iPhone. Thanks to a realistic interface, you can enjoy reading as you would with a real paper book. Reading on your iPhone is now easier than ever! This is a great iPhone app for all the book lovers! 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. iBunkoS 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 iPhone'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. 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 iBunkoS to suit your own preferences! You will find many more convenient functions and settings.
紀伊國屋ポイントアプリ
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紀伊國屋書店の店舗でのお買い物に利用できる、紀伊國屋書店公式のポイントアプリです。 店頭でアプリを提示すると、書籍や雑誌の購入時に100円(税抜)ごとに1ポイントが貯まります。 貯まったポイントは、紀伊國屋書店の店舗・電子書籍・ウェブストア共通でお買い物に使えます。 紀伊國屋ポイントはお誕生日月にポイントが2倍となるほか、期間限定のプラスポイントキャンペーンなども随時実施しており、さらにお得なゴールド会員制度もあります。 ■ 主な機能 ・ポイント表示/利用/残高確認 ・本の在庫検索 ・購入履歴の確認 ・店舗イベント情報の閲覧 ・抽選・イベントの申し込み
Screenshots
Verdict
The clearest difference is price: 紀伊國屋ポイントアプリ at Free against iBunkoS's $2.99. 紀伊國屋ポイントアプリ also leads on ratings volume (209 vs 9). iBunkoS's advantage is rating (4.4 vs 2.9) and review sentiment (51% vs 27%). On update cadence, ads, 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
紀伊國屋ポイントアプリ is free to download; iBunkoS costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
iBunkoS holds the better App Store score, 4.4 against 2.9. That said, the two scores are not equally well evidenced: 紀伊國屋ポイントアプリ has 209 ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 51% of iBunkoS's written reviews are positive against 27% of 紀伊國屋ポイントアプリ's.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 23, 2026 and October 21, 2026 respectively.
| Parameter | iBunkoS | 紀伊國屋ポイントアプリ |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | 4.4 (9 ratings) — better | 2.9 (209 ratings) |
| Positive reviews | 51.2% of reviews — better | 26.7% of reviews |
| Number of ratings | 9 | 209 — better |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Best chart rank | #173 — better | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 34 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | DWANGO Co., Ltd. | KINOKUNIYA COMPANY LTD. |
Customer experience
iBunkoS
紀伊國屋ポイントアプリ
Bugs and requests
iBunkoS
Not enough reviews yet to summarise bugs or requests.
紀伊國屋ポイントアプリ
Reported bugs
15 issues- Points disappeared after device change
- All purchase history deleted
- App crashes during checkout
- Cannot log in, error code 99
- Cannot register, password input freezes
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- Login error: 'Check network connection'
- App crashes after iOS update
- Cannot log in after password reset
- Points not added correctly
- Cannot download the app
- Cannot register, input ignored
- App shows different member ID and 0 points
- Keyboard does not close on email input
- Incorrect registered number and 0 points after login
- Login error: 'Check network connection'
Requested features
5 requests- Improve dark mode readability
- Allow app-only card integration
- Add purchase history viewing
- Provide a dedicated point history viewing option
- Improve app design
In-app purchases
iBunkoS
No in-app purchases
紀伊國屋ポイントアプリ
No in-app purchases









