Sbooky vs PlotReader
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sbooky
Capture and save memorable sentences from books without marking them. Easily highlight, underline, or add pencil strokes to digital copies of pages. Organize your saved quotes into a personal digital library.
- Digitally highlight, underline, or pencil book sentences
- Straighten and crop page photos
- Organize saved sentences into a digital library
- Copy sentences as text for external use
- Daily greeting with a saved sentence
- Share highlights to social media or save to photos
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Highlight book passages in photos and collect them in your own Library. Snap a page, then tap the first and last letter of a passage. Add a textured highlight, save it by book, and copy the words or share the page to Instagram Stories. For library books, borrowed books, and books you'd rather keep unmarked. Keep the words that stay with you, without leaving a mark on the page. ◆ Highlight with two taps · Tap the first and last letter to select a passage. · Choose a highlighter, underline, or pencil, each with its own texture. · Make it yours with five soft colors. · Straighten tilted page photos and crop to the part you want. ◆ Build a Library from your reading · Keep your saved passages organized by book. · Watch each book's spine grow thicker as you collect more passages. · Fill your shelf with colorful spines and subtle paper textures. · Rename books or move passages between them. · Add page numbers so you can find your way back. ◆ Rediscover a favorite · A saved passage greets you on the app's home screen each day. · Tap to revisit the original page photo. · Remember the words—and what made you stop to keep them. ◆ Copy and share · Copy highlighted passages as text into Notes, Notion, or your reading journal. · Share directly to Instagram Stories, with the feel of the printed page intact. · Save to Photos to use wherever you like. · Prefer to keep it private? Saving to your Library is enough. ◆ A quiet place for your words · No account, no login, no ads. · Your passages and photos are stored on your device. Only anonymous usage statistics are collected. · Start free with up to 3 books in your Library. · Unlock unlimited books with a one-time purchase. No subscription. Return the book. Keep the words. Start with one passage you love.
PlotReader
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PlotReader is a private ebook reader for macOS. Import TXT, EPUB, PDF, and MOBI books, keep reading progress locally, add bookmarks and notes, and customize your reading experience with themes, font size, line spacing, scroll mode, and system read-aloud voices. When you want a faster overview of a chapter, PlotReader offers optional AI reading tools, including plot summaries and relationship maps. AI features are not enabled by default. You provide your own API key and model service endpoint, and chapter content is sent only when you request generation and allow chapter sharing in Settings. PlotReader also supports optional iCloud backup and restore. Backup data is stored in your private iCloud database. API keys are stored in macOS Keychain and are never included in iCloud backups. Key Features: - Import local TXT, EPUB, PDF, and MOBI books - Local bookshelf, reading progress, bookmarks, notes, and reading statistics - Custom font size, line spacing, themes, and scroll mode - Optional AI plot summaries - Optional AI relationship maps - Read aloud with system voices - Optional on Mac, iPhone, and iPad, with reading progress and your library synced across devices via iCloud. - No app account system
Screenshots
Verdict
The clearest difference is in-app purchases: PlotReader at none against Sbooky's 1. PlotReader also leads on device support (4 vs 1) and iOS requirement (13.0 vs 26.2). On price, update cadence and ads 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
Both are free to download. Sbooky sells 1 one-off in-app purchase. PlotReader asks for nothing beyond the download.
Sbooky ships an update weekly, PlotReader every 2 weeks. The most recent releases landed on September 23, 2026 and August 16, 2026 respectively.
| Parameter | Sbooky | PlotReader |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| Update frequency | Weekly — better | Every 2 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 26.2 | 13.0 — better |
| Further details — not scored | ||
| Size | 8 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | Logogram LC. | 伟 叶 |
In-app purchases
Sbooky
- Sbooky Premium$0.99
PlotReader
No in-app purchases





