Ebook Reader Pro vs Ki
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Ebook Reader Pro
This application provides a fast and reliable way to read various document formats on iOS and Mac. It offers features like zoom, bookmarking, text selection, and search capabilities for an enhanced reading experience.
- Supports PDF, ePub, FB2, XPS, DjVu, CBZ, CBR
- Pinch to zoom and smart zoom
- Bookmark management
- Table of contents support
- Selectable and searchable text
- Brightness adjustment
- Document sharing and printing
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Ebook Reader Pro: the best, easiest, fastest, and reliable way to read PDF, ePub, FB2, XPS, DjVu, CBZ, CBR documents on iOS. Ebook Reader Pro is also available on Mac OS. KEY FEATURES: ◆Pinch to zoom in or out, Smart zoom is also available. ◆Bookmarks Management. ◆Table of contents supported. ◆Text Selectable, copy text to clipboard for further or define text. ◆Text searchable, highlight the word you need. ◆Brightness adjustable. ◆Record documents recently read. ◆Show or hide links. ◆History of pages, back or forward the page. ◆Share or open document with other App. ◆Print document. SUPPORT: You can refer User Manual for any assistance or contact support. Please feel free to contact us if you have any questions about using our products at any time. Email: support@firmshell.com
Ki
Capture, organize, and connect all your learning in one place. This app allows you to save notes, links, code snippets, and ideas, then link them together to build a web of knowledge. Find anything fast with full-text search and visual knowledge graphs.
- Capture notes, links, quotes, code snippets, and ideas
- Organize with color-coded tags and custom topics
- Connect notes with bidirectional linking
- Visualize knowledge with interactive graphs
- Full-text search and saved searches
- Quick capture via floating button and widgets
- Review workflow for managing notes
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Ki-note is your personal knowledge base. Capture, organize, and connect everything you learn — all in one place. CAPTURE EVERYTHING • Notes, links, quotes, code snippets, ideas, and references • Quick capture with a floating + button from anywhere in the app • Save source URLs and titles for web content. You can share links from Safari to Ki-note! • Tag code snippets with their programming language (Swift, Python, JavaScript, TypeScript, Go, Rust) • You can insert notes, text, links, into Ki-notes using the Share functionality • You can insert notes using voice in the Control Center widget or using a shortcut with Siri ORGANIZE YOUR WAY • Tags — color-coded labels to categorize your notes • Topics — group related notes under a single theme with custom icons • Smart Collections — automatic filters like Inbox, Favorites, Reading Queue, Unreviewed, Quotes, Ideas, Links, Untagged, and Unlinked • Configurable Quick Access dashboard on the home screen • Pin, favorite, and archive notes • Review workflow — track notes from Inbox → Unreviewed → Reviewing → Reviewed CONNECT YOUR KNOWLEDGE • Link notes together to build a web of ideas • Bidirectional linking — see which notes link to and from each note • Interactive Knowledge Graph — visualize all your notes and their connections • Customizable graph settings for colors, forces, and display options FIND ANYTHING FAST • Full-text search across all notes • Save frequently used searches for quick access • Browse by tags and topics • Filter by note type, status, or collection BUILT FOR YOU • 100% free — no ads, no subscriptions, all features unlocked • Local-first — your data stays on your device with SwiftData • Localized in 6 languages: English, Spanish, French, German, Italian, and Portuguese • Light and dark mode with customizable themes • Optional one-time tip to support development Ki-note is designed for students, researchers, developers, writers, and anyone who wants to build a personal knowledge base that grows with them.
Screenshots
Verdict
The clearest difference is review sentiment: Ki at 100% against Ebook Reader Pro's 38%. Ki also leads on price (Free vs $5.99) and rating (5.0 vs 2.0). Ebook Reader Pro's advantage is in-app purchases (none vs 1) and device support (4 vs 2). On ratings volume 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
Ki is free to download; Ebook Reader Pro costs $5.99 up front. Ki sells 1 one-off in-app purchase. Ebook Reader Pro asks for nothing beyond the download.
Ki holds the better App Store score, 5.0 against 2.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews point the same way: 38% of Ebook Reader Pro's written reviews are positive against 100% of Ki's.
Ebook Reader Pro ships an update every 4 days, Ki every 2 days. The most recent releases landed on October 19, 2026 and October 18, 2026 respectively.
| Parameter | Ebook Reader Pro | Ki |
|---|---|---|
| Price | $5.99 | Free — better |
| Rating | 2.0 (1 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 37.5% of reviews | 100.0% of reviews — better |
| Number of ratings | 1 | 2 — better |
| Update frequency | Every 4 days | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 18.6 |
| Further details — not scored | ||
| Size | 38 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | 群群 刘 | Juan Casanueva |
Customer experience
Ebook Reader Pro
Ki
In-app purchases
Ebook Reader Pro
No in-app purchases
Ki
- Buy me a coffee$0.99









