Bookstacks vs Book Memo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Bookstacks
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Bookstacks helps you build and manage your personal library — scan ISBN barcodes or type them in to instantly register books with titles, authors, and cover images. 【Features】 · Scan ISBN barcodes to auto-fill book details from OpenBD · Type in an ISBN to add books you don't have on hand · Enjoy a visual bookshelf with a grid of cover images · Organize books with preset labels: Read, Reading, To-Read, Want to Buy, and more · Create custom labels with your own names and colors · Filter by label or category; sort by date added or title 【Perfect for】 · Anyone who has ever bought the same book twice · Readers who want to tackle their to-read pile · People who like keeping their book lists tidy All data is stored locally on your device. No account required.
Book Memo
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"How many books did I finish this year?" — the answer lives on your shelves. Book Memo is a simple reading log: organize the books you're reading, have finished, or want to read; track page progress and reading time; and keep the passages that stayed with you. ■ Three shelves ・Sort books into Reading, Finished, and Want to Read ・Enter title and author, then design your own cover with a color and emoji ・No book-database connection by design — everything is recorded by you ■ Progress and time ・Log "up to page 120" or "read 30 minutes" in seconds ・A progress bar shows where you are in every book ・Finished books move to your Finished shelf with the date ■ Notes and quotes ・Save memorable passages with page numbers ・Keep thoughts per book and look back over them in order ■ Stats that keep you going ・Reading streak (consecutive days) ・Books finished this year vs. your annual goal ・Reading time and total pages this month and year ■ Widgets ・Your current book with progress and your streak, right on the Home Screen ・Optional daily reading reminder at a time you choose ■ Private by design ・All data stays on your device — nothing is sent to a server ・No account, no sign-in, no internet needed ・Available in Japanese, English and Simplified Chinese Start your record with one page today.
Screenshots
Verdict
The clearest difference is in-app purchases: Bookstacks at none against Book Memo's 1. Bookstacks also leads on update cadence (daily vs every 2 days). On price, ads, device support 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
Both are free to download. Book Memo sells 1 one-off in-app purchase. Bookstacks asks for nothing beyond the download.
Bookstacks ships an update daily, Book Memo every 2 days. The most recent releases landed on November 9, 2026 and October 31, 2026 respectively.
| Parameter | Bookstacks | Book Memo |
|---|---|---|
| Price | Free | Free |
| Update frequency | Daily — better | Every 2 days |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Devices | iPhone | iPhone |
| Requires iOS | 16.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 25 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Kenta Takeuchi | 丽佳 施 |
In-app purchases
Bookstacks
No in-app purchases
Book Memo
- Remove Ads$0.99









