Chapter vs Stellary
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Chapter
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Chapter is made for spending more time with your books. Read your EPUBs and PDFs, listen to EPUB books, and keep your library and reading history in one place. READ YOUR WAY Make your EPUB books comfortable to read with adjustable fonts, spacing, and light, dark, or sepia themes. Keep your PDF books alongside them in the same library. LISTEN TO YOUR BOOKS Let Chapter read your EPUB books aloud. Choose a voice and playback speed that suit you, then enjoy the next chapter. A PLACE FOR EVERY BOOK Organize your books into collections and keep track of what youβre reading. Search for titles or add them manually to include your physical books too. PICK UP WHERE YOU LEFT OFF Keep your library and progress in sync across iPhone and iPad with iCloud. Jump back into your current book from the Continue Reading widget. GET TO KNOW YOUR READING HABITS Keep a history of your reading sessions. Chapter Pro adds daily and yearly goals, streaks, activity views, and deeper insights to help you see your progress over time. YOUR READING STAYS PERSONAL Chapter does not collect, sell, or share your personal data. Your reading data stays on your device and, if enabled, in your personal iCloud account. Chapter Pro is available as a one-time purchase. Privacy Policy: https://sergiu-prodan.github.io/Chapter/privacy.html Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Stellary
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Stellary turns your reading life into something you can actually look at: a private night sky. Every book you finish becomes a star. Your favorite genres form glowing constellations. Keep reading, and you'll watch your own universe grow brighter, year after year. EFFORTLESS TRACKING β’ Start the reading timer, or log a session in seconds β’ Scan a barcode and any book is in your library before you've put it down β’ Bring your entire Goodreads history with you in one import β’ Build a streak day by day, and set a yearly goal that keeps pace with you A SKY THAT'S YOURS ALONE β’ The Atlas: a living star field made of every book you've finished β’ Each genre gets its own color and its own constellation β’ Earn zodiac constellations month by month β’ Discover your reader identity, an archetype that shifts as your taste does BETTER WITH FRIENDS β’ A calm, quiet feed of what your friends are reading. No likes to chase, no algorithm. β’ Share reviews with friends β’ Read together and discuss what you are reading with book clubs β’ See when a friend is reading right now GO INFINITE (optional subscription) β’ An unlimited library β’ Advanced statistics: your trends, records, and patterns β’ Custom shelves, organized your way β’ Streak protection that forgives a missed day β’ Ambient soundscapes to read to β’ Beautiful share cards for all your reading statistics β’ Recommendations from readers whose shelves look like yours Core reading tracking is free. Forever. Stellary works offline, syncs privately, and your library is never public. Stellary Infinite is an auto-renewing subscription (monthly, 6-month, or annual) with a 7-day free trial. Payment is charged to your Apple Account at confirmation of purchase. The subscription renews automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel anytime in your Apple Account settings. Terms of Use: https://stellary.cloud/terms Privacy Policy: https://stellary.cloud/privacy
Screenshots
Verdict
The clearest difference is update cadence: Chapter at every 2 weeks against Stellary's every 6 weeks. Stellary's advantage is iOS requirement (16.4 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Chapter sells 3 in-app purchases, starting at $1.99 per month and Stellary sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.
Chapter ships an update every 2 weeks, Stellary every 6 weeks. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.
| Parameter | Chapter | Stellary |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks β better | Every 6 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad β better | iPhone |
| Requires iOS | 26.0 | 16.4 β better |
| Further details β not scored | ||
| Size | 37 MB | 101 MB |
| Age rating | 4+ | 4+ |
| Developer | Sergiu Prodan | HAKAN MATTIAS BJORN OLANDERSSON |
In-app purchases
Chapter
- Chapter Pro Monthly7 Days trial$1.991 Month
- Chapter Pro Yearly7 Days trial$19.991 Year
- Chapter Pro$9.99
Stellary
- Stellary Infinite7 Days trial$3.991 Month
- Stellary Infinite7 Days trial$19.996 Months
- Stellary Infinite7 Days trial$29.991 Year









