ReadNotes vs Cindy's Books
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ReadNotes
This app helps you remember what you read by taking notes while you read, cleaning them with AI, and generating key takeaways. It tracks your reading progress, builds a personal knowledge library, and offers spaced repetition flashcards.
- AI-powered note cleaning
- Key takeaway generation
- Reading progress tracking
- Spaced repetition flashcards
- Personal knowledge library
- Reading statistics and streaks
- Goodreads library import
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ReadNotes is the reading tracker and AI note-taking app for people who want to remember what they read, not just finish books. Take notes while you read, clean them up instantly with AI, and generate a single key takeaway from each idea. Over time, ReadNotes builds your personal knowledge library from every book you finish. What you can do: • Write or record voice notes while reading • AI cleans up messy notes into clear, concise text • Generate one key takeaway per note — no rewriting needed • Track books across Reading, Finished, and Want to Read • Review what you learned with spaced repetition flashcards • See your reading stats, streaks, and knowledge by genre • Share insights with friends and see what they're reading • Import your Goodreads library in seconds • Export your notes as PDF Free users get limited AI usage per week. Upgrade to ReadNotes+ for Unlimited AI takeaways and PDF export. Got ideas or questions? Reach out to us at readnotesapp@gmail.com. TERMS: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ PRIVACY POLICY: https://readnotes.vercel.app/privacy
Cindy's Books
Catalog your personal book collection with this offline-first mobile app. Quickly add books by scanning barcodes, automatically filling in details. Syncs with a self-hosted server for seamless management.
- Offline library catalog
- Barcode scanning for adding books
- Automatic book detail population
- Search and browse by author/series
- Mark books as read
- CSV import/export
- Optional BookNexus server sync
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Cindy's Books is named for my wife, Cindy — whose ever-growing shelves started all of this. It began with a simple problem: standing in a thrift store holding a paperback, she had no quick way to know whether she already owned it. I looked everywhere for an app to catalog her collection. Everything was either a heavy-handed "library management" system built for institutions, or so bare-bones it was barely more than a list. Nothing hit the sweet spot — a simple, fast, personal book catalog. So I built one, and made it a public project so any book lover could use it. Then reality hit: a web app is useless in the back of a thrift store with one bar of signal. So this is a native app that keeps your entire collection on your device — instant lookups, no connection needed. Point your camera at a barcode and it tells you "already owned" or "not yet — add it?" And for self-hosters running the open-source BookNexus web app, it syncs both ways with your own server: add books on your phone, edit them at a keyboard on the web, both stay in sync. What it does • Your whole library on your phone — fully offline • Scan a barcode to add a book, or catch a duplicate before you buy it • Auto-fills title, author, and cover from Open Library • Browse by author or series; instant search • Mark what you've read • CSV import/export and iCloud backup • Optional two-way sync with your self-hosted BookNexus server No account. No ads. No tracking. Your collection is one file on your phone that you own.
Screenshots
Verdict
The clearest difference is in-app purchases: Cindy's Books at none against ReadNotes's 2. ReadNotes's advantage is ratings volume (5 vs 1). On price, rating, ads 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. ReadNotes sells 2 in-app purchases, starting at $4.99 per month. Cindy's Books asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for ReadNotes against 5.0 for Cindy's Books. That said, the two scores are not equally well evidenced: ReadNotes has 5 ratings behind it against 1, so its average is the more settled of the two.
| Parameter | ReadNotes | Cindy's Books |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (5 ratings) | 5.0 (1 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 5 — better | 1 |
| Update frequency | Monthly | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | Free — better |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.6 | 17.0 — better |
| Further details — not scored | ||
| Size | 14 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | AKSHAT ROHELLA | David Rodgers |
Customer experience
ReadNotes
Cindy's Books
In-app purchases
ReadNotes
- ReadNotes+ Monthly$4.991 Month
- ReadNotes+ Annual$19.991 Year
Cindy's Books
No in-app purchases









