Comparison

Readlogger vs Bookstacks

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

Head to head
About

Readlogger

Features
Read full description

Biblion helps you record books you've read and manage action declarations inspired by your reading. Key Features: ・Library: Add books, write notes, rate them, and track reading dates ・Tasks: Register up to 4 action declarations from your reading and log daily completion ・Home: View your reading stats at a glance (books read, total reading time) ・Weekly Stats: Review your task completion rate week by week Terms of Service: https://it-master.jp/biblion/terms-en.html

About

Bookstacks

Features
Read full description

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.

Screenshots

Readlogger4 screens
Bookstacks4 screens

Verdict

The call

The clearest difference is in-app purchases: Bookstacks at none against Readlogger's 3. 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. Readlogger sells 3 in-app purchases, starting at $2.99 per month. Bookstacks asks for nothing beyond the download.

UpkeepUpdate frequency

Readlogger ships an update every 2 days, Bookstacks daily. The most recent releases landed on October 8, 2026 and October 6, 2026 respectively.

Scorecard2 real differences · 4 level
Readlogger versus Bookstacks: the parameters behind the verdict, then further details
ParameterReadloggerBookstacks
PriceFreeFree
Update frequencyEvery 2 daysDaily — better
AdsYesYes
In-app purchasesYesNo — better
DevicesiPhone, iPad — betteriPhone
Requires iOS16.016.0
Further details — not scored
Size6 MB25 MB
Age rating17+4+
DeveloperKoji IsanoKenta Takeuchi

In-app purchases

3 purchases

Readlogger

Subscriptions2
  • Basic Plan$2.991 Month
  • Premium Plan$5.991 Month
One-time1
  • 45 Tickets$9.99
None

Bookstacks

No in-app purchases

Questions

Is Readlogger free?
Readlogger is free to download, with in-app purchases available.
Is Bookstacks free?
Bookstacks is free to download, with no in-app purchases.
Do Readlogger or Bookstacks have ads?
Both Readlogger and Bookstacks show ads.
Which is updated more often, Readlogger or Bookstacks?
Readlogger ships an update every 2 days, and Bookstacks daily. Most recently, Readlogger was updated on October 8, 2026 and Bookstacks on October 6, 2026.

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