Comparison

Chapters vs Eclipse SI

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

Head to head
About

Chapters

This app allows users to create and edit ePub ebook files. It supports viewing, formatting text, and saving changes. Features like iCloud sync, autosave, and unlimited undo enhance the editing experience.

Highlights
  • Create and edit ePub files
  • View documents in vertical scroll
  • Edit and format text
  • Save changes to files
  • iCloud Drive sync
  • Autosaving
  • Unlimited undo/redo
Read full description

Chapters can create new ePub documents and open existing ePub files for editing. ePub is the most widely adopted file format for ebooks. ePub files reflow their content for comfortable reading on screen of any size from smartphones to desktops. Each document's content zipped into a single file for maximum portability. It is an open and vendor-independent file format based on popular web standards, such as HTML and CSS. With Chapters, you can ▪ Open existing files and create new ePub documents ▪ View an entire document in vertical scroll view ▪ Pinch to zoom and smart zoom with double-tap ▪ Edit and format document’s text ▪ Save your changes back to the file ▪ Use Table of Contents to jump ahead (on Mac only at the moment) ▪ Print and export to PDF (on Mac only at the moment) ▪ Add cover image and modify metadata (on Mac only at the moment) Chapters also supports ▪ iCloud Drive for keeping documents in sync on all your devices ▪ Autosaving automatically saves changes in background while you are editing ▪ Unlimited undo and redo as you edit ▪ Browsing previous changes and restoring them ▪ Resume your work right where you left off once app launches ▪ Side by side multitasking with another app in full screen split view on Mac and iPad ▪ Sharing documents with others via Messages, Mail and AirDrop If you encounter a bug or app crashing, please contact app’s support at chapters@shaw.ca Thank you!

About

Eclipse SI

Features
Read full description

Eclipse SI — The Intelligent AI Companion That Evolves With You Welcome to Eclipse SI, an advanced artificial intelligence platform designed to help you think smarter, learn faster, and accomplish more every day. Eclipse SI is more than a chatbot—it’s a powerful AI companion built to support knowledge discovery, productivity, creativity, and intelligent problem-solving. Whether you’re researching information, exploring new ideas, organizing tasks, or solving complex problems, Eclipse SI delivers fast, insightful, and reliable assistance exactly when you need it. Why Eclipse SI is Different Eclipse SI is designed as an evolving AI system that improves the way it assists users over time. Rather than simply responding to questions, Eclipse SI works like a thinking partner—helping you analyze challenges, explore possibilities, and uncover solutions across a wide range of topics. By combining intelligent conversation, voice interaction, and knowledge discovery tools, Eclipse SI creates a powerful and intuitive AI experience for everyday users, creators, professionals, and lifelong learners. Key Features • Intelligent AI Conversations Ask questions, brainstorm ideas, and receive clear explanations on complex topics. • Voice Interaction Use natural voice commands for a faster and more interactive experience. • Knowledge Discovery Research topics, explore new concepts, and expand your understanding with AI-assisted insights. • Creative Assistance Generate ideas for writing, projects, content creation, and innovative thinking. • Productivity Support Organize thoughts, plan tasks, and simplify complex workflows. • Continuous Learning AI Eclipse SI adapts and improves to deliver smarter, more helpful responses. • Fast and Responsive Optimized for quick interactions and efficient access to information. Built for Modern Thinkers Eclipse SI is designed for people who want more from technology. Whether you’re a student, entrepreneur, creator, or professional, Eclipse SI helps unlock new possibilities through intelligent assistance. Use Eclipse SI to learn new skills, explore knowledge across countless subjects, improve productivity, generate creative ideas, and solve problems faster. A Smarter AI Experience Our mission is to create an AI companion that feels intuitive, helpful, and empowering. Eclipse SI is built with performance, reliability, and user experience in mind—giving you a powerful digital assistant that adapts to your needs. Discover the future of intelligent assistance today with Eclipse SI.

Screenshots

Chapters2 screens
Eclipse SI4 screens

Verdict

The call

The clearest difference is price: Eclipse SI at Free against Chapters's $9.99. Chapters's advantage is device support (4 vs 2). On ads, in-app purchases and iOS requirement 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

Eclipse SI is free to download; Chapters costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Scorecard2 real differences · 8 level
Chapters versus Eclipse SI: the parameters behind the verdict, then further details
ParameterChaptersEclipse SI
Price$9.99Free — better
Rating1.0 (1 ratings) — better—
Positive reviews33.3% of reviews—
Number of ratings1 — better—
Update frequencyEvery 7 months—
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPod
Requires iOS15.0 — better15.6
Further details — not scored
Size1 MB60 MB
Age rating4+4+
DeveloperTwo-Byte Software Inc.Alvin Dorsey Jr

In-app purchases

None

Chapters

No in-app purchases

None

Eclipse SI

No in-app purchases

Questions

Is Chapters free?
Chapters costs $9.99, with no in-app purchases.
Is Eclipse SI free?
Eclipse SI is free to download, with no in-app purchases.
Do Chapters or Eclipse SI have ads?
Neither Chapters nor Eclipse SI shows ads.

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