Cosy Case vs ReadAI Smart
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Cosy Case
Create a visually appealing digital bookshelf to organize your reading. Earn rewards for reading milestones and customize your shelves with decorations. Track your progress, log reviews, and share your collection with friends.
- Build a digital bookshelf with real book spines
- Import books by scanning spines or using AI
- Earn badges and decorations for reading milestones
- Log reads, reviews, and ratings
- Set reading goals and track progress
- Share your collection with friends
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Cosy Case: Your Digital Book Case Welcome to Cosy Case — the book tracking app that's actually fun. Build a beautiful digital bookshelf, decorate it your way, and show off your reading life in style. • Real book spines, not just covers — Add the books you love and watch them appear as real spine images on your shelf. Snap a photo of one spine, scan your whole bookshelf to import books automatically, or create your own spines with AI. • Reading that feels like a game — Earn badges for reading milestones and collect cozy decorations: plants, candles, and bookends. Unlock new bookcase styles and make every shelf uniquely yours. • Track everything in one place — Log your reads, reviews, and ratings, set reading goals, and watch your collection grow on a shelf you can add right to your home screen. • Share your shelf — Show off your collection with friends and explore what they're reading, all from a digital bookshelf worth keeping. Rated 4.7 out of 5 by readers who love a shelf as much as the stories on it. Join 5000+ readers Download Cosy Case free today and start building your dream bookshelf. Buttons are an optional in-app currency used to unlock cosmetic items — new bookcase styles, backgrounds, and cozy decorations like plants, candles, and bookends. No purchase is required to track books or use core features. Cosy Case Pro (optional subscription): Upgrade for expanded monthly limits — 30 custom spine creations and 10 bookshelf scans per month. Cosy Case Pro is an auto-renewing subscription. Payment will be charged to your Apple ID 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 ID account settings. By using this app, you agree to Apple's standard Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
ReadAI Smart
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ReadAI is a smart book reader built for people who want more than just a reading app. Upload your own PDF, EPUB, and FB2 books, read in a clean and comfortable interface, and use AI tools right inside the book. Translate difficult passages, ask questions about what you are reading, listen to text and words, save useful quotes, and build your personal vocabulary as you go. ReadAI helps you stay inside the reading flow while understanding more, remembering more, and coming back to important parts later. Why readers choose ReadAI: • Read your own books in PDF, EPUB, and FB2 • Translate paragraphs and selected text instantly • Ask AI questions about the book while you read • Listen to text and vocabulary with audio support • Save new words to your personal dictionary • Review vocabulary with flashcards and associations • Highlight quotes and keep notes in one place • Search across your books and library • Track reading progress and activity ReadAI is a great fit if you: • Read in English or other languages • Want to combine reading with vocabulary learning • Need one app for reading, translation, and study • Prefer listening to text when a passage feels difficult • Want to save words, notes, and quotes without switching between apps Instead of jumping between an ebook reader, translator, dictionary, notes app, and AI assistant, you get everything in one focused reading experience. Use ReadAI to read with more confidence, understand more of every page, and turn everyday reading into steady learning. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is update cadence: Cosy Case at every 6 days against ReadAI Smart's fortnightly. On price, 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
Both are free to download. Cosy Case sells 8 in-app purchases, starting at $4.99 per month and ReadAI Smart sells 2 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.
Cosy Case ships an update every 6 days, ReadAI Smart fortnightly. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.
| Parameter | Cosy Case | ReadAI Smart |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (104 ratings) — better | — |
| Positive reviews | 56.7% of reviews | — |
| Number of ratings | 104 — better | — |
| Update frequency | Every 6 days — better | Fortnightly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.4 — better | 16.6 |
| Further details — not scored | ||
| Size | 99 MB | 55 MB |
| Age rating | 4+ | 4+ |
| Developer | Griffin Ciluffo | Vladislav Condratiev |
In-app purchases
Cosy Case
- Cosy Case Premium$4.991 Month
- Monthly Premium$4.991 Month
- Cosy Case Premium Yearly$19.991 Year
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- yearly$49.991 Year
- 300 Buttons$2.99
- 700 Buttons$5.99
- 1300 Buttons$9.99
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- Lifetime$29.99
ReadAI Smart
- Base Monthly$6.991 Month
- Pro Yearly$49.991 Year









