Comparison

Booklover vs しおり

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

Head to head
About

Booklover

Organize and read a vast collection of eBooks, including PDFs, manga, and scanned books. Seamlessly sync with iCloud Drive and customize your reading experience with various layout and annotation options.

Highlights
  • eBook management (PDF, ZIP/CBZ, RAR/CBR)
  • iCloud Drive syncing
  • Metadata-driven library organization
  • Customizable reader settings
  • Bookmarks and PDF annotations
  • Search and filtering
Features
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Booklover is a highly responsive and robust eBook reader. It excels at handling PDFs, manga, and scanned books. The metadata-driven library management system makes it easy to organize and enjoy a large collection of books in PDF, ZIP/CBZ, and RAR/CBR formats. Seamlessly integrated with iCloud Drive, books in the iCloud Drive/Booklover folder automatically appear in the app’s library and can be downloaded on demand. In the library, you can organize books by genres and arrange them using various bibliographic details such as title, author, publisher, and more. With the search field and powerful Library Navigator, you can quickly locate a book among thousands in your collection. Customize your reading experience with settings for each book, including page layout, transition axis and style, cropping, filters, progress direction, background, and more. Booklover supports bookmarks with titles and notes, as well as PDF text annotations (highlights), text search, and a table of contents. Main Features: # General • Manage and view eBooks (PDF, ZIP/CBZ, RAR/CBR) • Support for archived image files in JPG, PNG, GIF, HEIF, WEBP, AVIF, and JPEG XL formats • Automatic syncing of book files placed in iCloud Drive/Booklover. On-demand caching (download) of the remote files • Import files via iTunes (Windows), Finder (Mac), AirDrop, Drag & Drop, "Open with..." etc. • Import files via apps from various cloud storage services, such as Dropbox and OneDrive, as well as other services accessible through the iOS Files app. • Slide Over / Split View (iPad) • Hardware keyboard support (mainly in the reader) # Library • Section books by genre (ON/OFF) • The Library Navigator (ON/OFF) • Histories of added and opened books • Context Menu for individual books (long-press a book cover) • Change sort order: By Title, Author, Publisher, Filename, Added Date, etc. • Alphanumeric Index Labels (ON/OFF) • Toggle display of cover accessories • Adjust cover grid size • Responsive Shadow (shows page volume with shadow) • Filter books by Status, Genre, Tags, etc. • Search books by various bibliographic details, file name, and tags # Reader • PDF text annotations (highlights) with notes, text search, and a table of contents • Bookmarks with titles and notes • Lists of bookmarks and PDF annotations • Page transition settings: Axis (Horizontal, Vertical), Style (Scroll, Continuous Scroll, Stack, Crossfade, Zoom fade, Instant) • Progress direction setting: Left to Right, Right to Left (for vertical text, manga, Arabic, etc.) • Page layout setting: Automatic, Single-Page, Two-Pages (spread) • Separate page layout settings for view orientation (Portrait / Landscape) • Page trimming (for images only) • Page sizing: Show All, Width-Fit, Height-Fit • Page thumbnail view (overview, bookmarks) • Image correction filters • Dynamic background (When the "Background Color" option for a book is set to "Dynamic") • Adjust page spread position (Insert adjuster page at the beginning of the book body) • Text recognition within images (with compatible devices only) • Export (share) the currently displayed page # Book Management • Edit metadata: Title, Author, Genre, Publisher, Published Date, ISBN, etc. • Edit Tags (Can be used as filter criteria in the side menu) • Extract metadata (title/author) from PDFs • Extract various metadata from file names with configurable extraction rules • Automatic/Manual cropping of book covers • Batch modification of book settings and metadata • Transfer book files: "Open with...", AirDrop, Drag & Drop, etc. • Can manage the content files and data separately ("Ghost Book") ——————————————— # Acknowledgments [Books used in the screenshots] • "Give My Regards to Black Jack" by SHUHO SATO (Manga on Web: http://mangaonweb.com) • Public domain books from Feedbooks (http://www.feedbooks.com) • Public domain comics from digitalcomicmuseum.com (http://digitalcomicmuseum.com)

About

しおり

Features
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青空文庫の作品を、文庫本を読むように楽しめる読書アプリです。 ■ 文庫本のような縦書き 自前の組版エンジンで、縦書き・ルビ・傍点・字下げ・見出しまで、紙の本のように組みます。句読点や括弧が続くところは自然に詰め、読みやすい行間に整えます。 ■ 表紙をひらいて、物語へ 一冊ずつ装丁の違う表紙をタップすると、本をひらくように読みはじめられます。ページは右開きでめくれ、めくるたびに小さな手応えが返ります。 ■ 約1万7千の名作から 夏目漱石、宮沢賢治、太宰治、芥川龍之介、森鴎外…。青空文庫に収録された作品を、作家・ジャンル・人気順から探せます。読んだ位置は自動で保存され、続きからすぐに読めます。 ■ 書体も、紙の色も BIZ UD明朝とヒラギノ明朝、白・生成り・墨・夜の4色の紙。文字の大きさや行間も、好みに合わせて変えられます。 ■ 折りたたみの iPhone でも 本体をひらくと、本と同じ右開きの見開きに。iPad でも大きな画面で読めます。 ■ 好きな本をシェア 大好きな3冊を選んで、画像にして SNS で紹介できます。 ・作品の本文は青空文庫(https://www.aozora.gr.jp/)から取得します。本アプリは青空文庫の公式アプリではありません。 ・買い切りアプリです。広告やアプリ内課金はありません。 ・データの収集は行いません。読書の記録は端末の中だけに保存されます。

Screenshots

Booklover4 screens
しおり4 screens

Verdict

The call

The clearest difference is price: しおり at $1.99 against Booklover's $3.99. Booklover's advantage is iOS requirement (18.6 vs 26.0). 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

CostPrice · In-app purchases · Ads · Monetization

Booklover costs $3.99 and しおり $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Booklover ships an update every 2 weeks, しおり fortnightly. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 8 level
Booklover versus しおり: the parameters behind the verdict, then further details
ParameterBookloverしおり
Price$3.99$1.99 — better
Rating4.6 (57 ratings) — better—
Positive reviews87.3% of reviews—
Number of ratings57 — better—
Update frequencyEvery 2 weeksFortnightly — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.6 — better26.0
Further details — not scored
Size21 MB20 MB
Age rating17+4+
DeveloperPlastic Software, Inc.forYou inc.

In-app purchases

None

Booklover

No in-app purchases

None

しおり

No in-app purchases

Questions

Is Booklover free?
Booklover costs $3.99, with no in-app purchases.
Is しおり free?
しおり costs $1.99, with no in-app purchases.
Do Booklover or しおり have ads?
Neither Booklover nor しおり shows ads.
Which is updated more often, Booklover or しおり?
Booklover ships an update every 2 weeks, and しおり fortnightly. Most recently, Booklover was updated on November 1, 2026 and しおり on October 31, 2026.

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