BookDiary vs Quotelog | Quote
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BookDiary
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A quiet reading journal for readers who don't want to share. BookDiary is for the kind of reader who keeps margin notes, who rereads a beloved book every winter, who copies favorite passages into a notebook by hand. It's a place to record your reading life — privately, beautifully, on your phone alone. ― Why BookDiary exists ― Most reading apps are built around community: ratings, followers, public reviews. For some readers, that's the appeal. For others, it gets in the way of the book itself. BookDiary is for the second kind. No accounts. No social feed. No data sent anywhere. Just you and your books. 【Five tabs, one quiet space】 ●Shelf — your finished books, beautifully arranged ●Reading — the book you're with right now ●To Read — the pile waiting patiently ●Quotes — passages worth keeping, in their own tab ●Records — monthly stats, yearly bests, gentle insights 【First reading and rereadings, kept apart】 Some books are worth returning to. BookDiary records your first reading separately from each rereading, so you can see how your relationship with a book changes over the years. 【A dedicated tab for quotes】 Beautiful washi-paper cards for the lines that stay with you. Add page numbers, why it moved you, mark favorites. Browse by book, by favorite, or pull up a quote at random. 【Your own reading awards】 Six categories — book of the year, most moving, most reread, most memorable line, unexpected find, brave read. A private ceremony, just for you. 【Genre-based covers, even without an image】 No cover photo? No problem. Nine genres each have their own washi-paper fallback with traditional ornaments and accent colors. Your shelf looks intentional, even when the books don't have artwork. 【Who it's for】 - Readers who want to read without seeing other people's ratings - Notebook keepers moving from paper to digital - Anyone who rereads beloved books over the years - Quote collectors who want a beautiful place for found lines - Lovers of dark academia and quiet aesthetics - People who avoid apps that require accounts 【Privacy and trust】 Your reading life stays on your phone. - No account required - No data sent to any server - No barcode lookups, no external book APIs - No ad tracking, no analytics on your reading What you write here goes nowhere else.
Quotelog | Quote
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Quotelog is a quote-based reading notes app for saving the words that catch your eye — the moment they do. Paper books or e-books: scan a page with your camera, trace the part you want to keep, and it's text in a snap. Then get right back to reading. ■ HOW IT WORKS • Capture text from an image — Photograph a page and trace the passage you want to quote. Turn it into text the instant it catches your eye. • Add comments and photos — Attach your own impressions, or related figures and images, to each quote. Your reading record grows one tap at a time. • Review your reading — Find any book or quote instantly with keyword search, and look back over your reading in a calendar-style activity log. • Export in bulk — Write out your quotes and book info as Markdown with a customizable format. Perfect for connecting to tools like Notion or Obsidian. ■ FEATURES • OCR text capture — Turn printed pages into editable text with a trace of your finger. • Continuous capture — Read smoothly across page after page. • Comments & images — Add as many note elements to a quote as you like. • Quote colors — Give quotes a color to make them stand out. • Barcode scanning — Auto-fill book info from the ISBN. • Cover images — Set a cover for each book for easy browsing. • Kindle import — Pull in your notes and highlights from Kindle in bulk. • Keyword search — Search across everything you've saved at once. • Activity log — See your reading tallied up in a calendar view. • Markdown export — Fine-tune exactly what your output contains. • Dark mode — A darker theme, perfect for reading at night. • Offline-first — Your library is stored locally on your device. No account, no sign-in. ■ About Supporters (Optional) We welcome your support as a supporter (auto-renewing subscription, starting at ¥120/month) to help keep the app running. Our policy is to offer most features for free and without limits, so it is not required for regular use. As a supporter, regardless of the amount, you will get some minor extra perks (such as additional colors and extra reading log displays). - Name: Quotelog Supporter / Period: 1 month (auto-renewing) / Price: eight monthly tiers; the price in your local currency is shown in the app. - Payment will be charged to your Apple ID account at confirmation of purchase. The subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period, and your account will be charged for renewal at the same amount. Subscriptions may be managed and auto-renewal may be turned off by going to your App Store Account Settings after purchase. - Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ - App Terms of Use: https://quotelog.page/terms - Privacy Policy: https://quotelog.page/privacy
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Verdict
The clearest difference is update cadence: Quotelog | Quote at every 5 days against BookDiary's monthly. 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. BookDiary sells 1 one-off in-app purchase and Quotelog | Quote sells 6 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.
BookDiary ships an update monthly, Quotelog | Quote every 5 days. The most recent releases landed on October 9, 2026 and October 5, 2026 respectively.
| Parameter | BookDiary | Quotelog | Quote |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly | Every 5 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone | iPhone |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 2 MB | 47 MB |
| Age rating | 4+ | 4+ |
| Developer | torankirite | Yusuke Kobayashi |
In-app purchases
BookDiary
- Premium$3.99
Quotelog | Quote
- Quotelog サポーター2 variants$0.991 Month
- Quotelog サポーター$1.991 Month
- Quotelog サポーター$2.991 Month
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- Quotelog サポーター2 variants$3.991 Month
- Quotelog サポーター$4.991 Month
- Quotelog サポーター$5.991 Month







