Comparison

Bookstacks vs Book Memo

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Bookstacks

Features
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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.

About

Book Memo

Features
Read full description

"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

Bookstacks4 screens
Book Memo3 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Book Memo sells 1 one-off in-app purchase. Bookstacks asks for nothing beyond the download.

UpkeepUpdate frequency

Bookstacks ships an update daily, Book Memo every 2 days. The most recent releases landed on November 9, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 4 level
Bookstacks versus Book Memo: the parameters behind the verdict, then further details
ParameterBookstacksBook Memo
PriceFreeFree
Update frequencyDaily — betterEvery 2 days
AdsYesYes
In-app purchasesNo — betterYes
DevicesiPhoneiPhone
Requires iOS16.0 — better17.0
Further details — not scored
Size25 MB5 MB
Age rating4+4+
DeveloperKenta Takeuchi丽佳 施

In-app purchases

None

Bookstacks

No in-app purchases

1 purchases

Book Memo

One-time1
  • Remove Ads$0.99

Questions

Is Bookstacks free?
Bookstacks is free to download, with no in-app purchases.
Is Book Memo free?
Book Memo is free to download, with in-app purchases available.
Do Bookstacks or Book Memo have ads?
Both Bookstacks and Book Memo show ads.
Which is updated more often, Bookstacks or Book Memo?
Bookstacks ships an update daily, and Book Memo every 2 days. Most recently, Bookstacks was updated on November 9, 2026 and Book Memo on October 31, 2026.

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