BookLog: iPhone vs Android
BookLog by Otto Kiefer is on both the App Store and Google Play. Here are both versions together: downloads, users, revenue, ratings and chart positions, store by store with totals.
Best rank now
#116
Android · 
Books & Reference Free
Books & Reference FreeMeasured
App Store
App details
App ID
6443334545
Publisher
Otto Kiefer
Content rating
4+
Google Play
App details
App ID
com.cfoApps.booklog
Publisher
CFO
Content rating
Everyone
BookLog downloads & installs
Both stores, worldwide. Bands are open; exact numbers are free with an account.
| Store | Downloads / day | Lifetime installs |
|---|---|---|
| iPhone | – | – |
| Google Play | – | 1k+ Measured |
| Total | – | 1k+ Confidence |
How this is calculated
iPhone: chart positions and rating growth per country, anchored on its own Android downloads; lifetime from ratings worldwide × installs per rating. Google Play: the daily change in its exact install count. The total adds every store.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
Business model: Ad-led
How BookLog makes money: subscriptions, one-off purchases and ads.
In-app purchasesAds
One-off purchases
/mo
of revenue
Ads
/mo
of revenue
Where it ranks now
Both stores, across every country we track.
Ratings
Both stores. Store data, measured.
| Store | Rating | Ratings |
|---|---|---|
| App Store | 0.0 ★ | – |
| Google Play | 4.8 ★ | – |
| Both stores | – | 0 |
About BookLog
Have you ever wondered when you’ve read a particular book?
Would you like to keep track of the books you read and get an interesting insight into your very own reading history over time?
BookLog is the right App for this purpose.
Not only can you store books you’ve read and those you are currently reading, but you can also maintain a wishlist of books you intend to read in the future.
No complicated procedure to fill in a dozen fields or look up book covers - just enter a book title, an author (or select an existing one), select the book type, and save.
If you like, you can specify further details.
BookLog supports:
- Publication Year
- Series
- Different Status (Wishlist, Pending, Soon, Next, Reading, Finished)
- Rating
- Notes
- Saving multiple reads of a book
- Show absolute or relative dates
The data you’ve stored is saved in iCloud and will be synchronized across all your devices.
The free version lets you save up to 10 books.
By purchasing the full version, there won't be any restrictions, ads, subscriptions or any further In-App purchases.
Would you like to keep track of the books you read and get an interesting insight into your very own reading history over time?
BookLog is the right App for this purpose.
Not only can you store books you’ve read and those you are currently reading, but you can also maintain a wishlist of books you intend to read in the future.
No complicated procedure to fill in a dozen fields or look up book covers - just enter a book title, an author (or select an existing one), select the book type, and save.
If you like, you can specify further details.
BookLog supports:
- Publication Year
- Series
- Different Status (Wishlist, Pending, Soon, Next, Reading, Finished)
- Rating
- Notes
- Saving multiple reads of a book
- Show absolute or relative dates
The data you’ve stored is saved in iCloud and will be synchronized across all your devices.
The free version lets you save up to 10 books.
By purchasing the full version, there won't be any restrictions, ads, subscriptions or any further In-App purchases.
BookLog iPhone
Not in any tracked top chart right now.
Updated 27 Sep 2026 · rankings refresh through the day
DeveloperOtto Kiefer
CategoryBooks
PriceFree
Released
Rating★ 0.0 (0)
Version1.4.4
Age rating4+
First seen by us 26 Sep 2026
26 Sep 2026Rating
0.0 ★
0 ratings
Measured
BookLog on the App Store
App details
App ID
6443334545
Publisher
Otto Kiefer
Content rating
4+
BookLog downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Apple publishes no download counts. iPhone downloads come from chart positions and daily rating growth per country, calibrated on Google Play install counts; lifetime installs from ratings worldwide × installs per rating. Confidence is the chance the real number is within half to double ours.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
Business model: Ad-led
How BookLog makes money: subscriptions, one-off purchases and ads.
In-app purchasesAds
One-off purchases
/mo
of revenue
Ads
/mo
of revenue
Where it ranks now
Every top chart it appears in across 24 countries.
| Country | Charts | Rank |
|---|---|---|
| Not charting right now. | ||
Ratings
App Store, worldwide.
Rating
0.0 ★
0 ratings
Measured
Ratings
0
Measured
About BookLog
Have you ever wondered when you’ve read a particular book?
Would you like to keep track of the books you read and get an interesting insight into your very own reading history over time?
BookLog is the right App for this purpose.
Not only can you store books you’ve read and those you are currently reading, but you can also maintain a wishlist of books you intend to read in the future.
No complicated procedure to fill in a dozen fields or look up book covers - just enter a book title, an author (or select an existing one), select the book type, and save.
If you like, you can specify further details.
BookLog supports:
- Publication Year
- Series
- Different Status (Wishlist, Pending, Soon, Next, Reading, Finished)
- Rating
- Notes
- Saving multiple reads of a book
- Show absolute or relative dates
The data you’ve stored is saved in iCloud and will be synchronized across all your devices.
The free version lets you save up to 10 books.
By purchasing the full version, there won't be any restrictions, ads, subscriptions or any further In-App purchases.
Would you like to keep track of the books you read and get an interesting insight into your very own reading history over time?
BookLog is the right App for this purpose.
Not only can you store books you’ve read and those you are currently reading, but you can also maintain a wishlist of books you intend to read in the future.
No complicated procedure to fill in a dozen fields or look up book covers - just enter a book title, an author (or select an existing one), select the book type, and save.
If you like, you can specify further details.
BookLog supports:
- Publication Year
- Series
- Different Status (Wishlist, Pending, Soon, Next, Reading, Finished)
- Rating
- Notes
- Saving multiple reads of a book
- Show absolute or relative dates
The data you’ve stored is saved in iCloud and will be synchronized across all your devices.
The free version lets you save up to 10 books.
By purchasing the full version, there won't be any restrictions, ads, subscriptions or any further In-App purchases.
Latest updates
1.4.4
- Further stability related improvements and Bug Fixes
BookLog: Your Reading Journal Android
BookLog: Your Reading Journal is #116 in Books & Reference Free on Google Play in Brazil and charting in 1 of 15 countries we track.
Updated 27 Sep 2026 · rankings refresh through the day
DeveloperCFO
CategoryBooks & Reference
PriceFree
Released
Installs1k+
Rating★ 4.8 (0)
Updated–
Content ratingEveryone
Rating
4.8 ★
0 ratings
Measured
Best rank now
#116
Books & Reference FreeMeasured
BookLog: Your Reading Journal on Google Play
App details
App ID
com.cfoApps.booklog
Publisher
CFO
Content rating
Everyone
BookLog: Your Reading Journal downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Google Play shows an exact lifetime install count; downloads per day are its daily change (measured). When Play hasn't refreshed the count, they come from new ratings and Top Free chart positions. Confidence is the chance the real number is within half to double ours.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
Business model: Ad-led
How BookLog: Your Reading Journal makes money: subscriptions, one-off purchases and ads.
In-app purchasesAds
One-off purchases
/mo
of revenue
Ads
/mo
of revenue
Where it ranks on Google Play
Every top 200 chart it appears in across 15 countries.
| Country | Charts | Rank |
|---|---|---|
| Brazil | Books & ReferenceFree | #116 |
Apps near BookLog: Your Reading Journal on the chart
Books & Reference Free, around #116.
Ratings
Google Play, worldwide.
Rating
4.8 ★
0 ratings
Measured
Ratings
0
Measured
About BookLog: Your Reading Journal
BookLog is your ultimate reading companion, designed for book lovers who want to organize, track, and enrich their reading life. Whether you're a casual reader or a dedicated bookworm, BookLog offers all the tools you need to manage your physical and digital library.
Forget lost reading lists and forgotten books. With BookLog, your entire literary life fits in your pocket.
📚 COMPLETE LIBRARY MANAGEMENT
• Organized by Shelves: Categorize your books however you like (Read, To Read, In Progress, Abandoned...).
• Series Management: Group your sagas by series with an elegant stacked view. Track volume numbers to never miss the next installment.
• Intuitive Search: Instantly find any book in your collection by title, author, or ISBN.
• Advanced Filtering: Filter your library by status, genre, author, or notes to find exactly what you're looking for.
• Custom Collections: Create unlimited themed collections to organize sagas, reading challenges, or your favorite genres.
🎨 PERSONALIZE YOUR COLLECTION
• Custom Covers: Replace default covers with your own photos to make your library truly yours.
🚀 TRACKING & PROGRESS (KANBAN)
• Visual Dashboard: Track your reading status at a glance with our intuitive Kanban view (To Read, In Progress, Finished).
• Precise Progress Tracking: Update your progress page by page or by percentage.
• Reading Journal: Log your reading sessions to see your progress evolve over time.
🔍 QUICK ADD & SCANNER
• Barcode Scanner: Add your physical books in an instant by scanning their ISBN barcode with your camera.
• Batch Mode (Premium ⭐): Scan dozens of books in a row without interruption to catalog your entire library in minutes.
• Quote Scanner (Premium ⭐): Never lose your favorite passages again! Scan text directly from your books to save them as notes.
📊 DETAILED STATISTICS
• Scoreboard: View your total books read, pages turned, and your overall reading pace.
• Tsundoku Index (Premium ⭐): Discover what percentage of your library is actually read and manage your "To Be Read" pile.
• Growth Charts (Premium ⭐): Analyze your reading habits with clear charts on your monthly and annual reading.
• Library Value (Premium ⭐): Keep an eye on the total financial value of your collection.
• Reading Heatmap (Premium ⭐): See your most active reading days on a visual calendar.
🤝 SHARING & SOCIAL
• Library Sharing (Premium ⭐): Share a unique link to your library with friends. They can view your books and progress on the web.
• Friends' Libraries (Premium ⭐): Follow your friends' libraries directly in the app to find inspiration for your next read.
• Privacy Control (Premium ⭐): Choose exactly which collections are visible or hidden from visitors.
☁️ BACKUP & SYNC
• Cloud Sync (Premium ⭐): Access your library on all your devices. Your data is securely backed up in the cloud.
• Guest Mode: Try the app freely without creating an account (data stays on your device).
Join the BookLog community and give your library the attention it dese
Forget lost reading lists and forgotten books. With BookLog, your entire literary life fits in your pocket.
📚 COMPLETE LIBRARY MANAGEMENT
• Organized by Shelves: Categorize your books however you like (Read, To Read, In Progress, Abandoned...).
• Series Management: Group your sagas by series with an elegant stacked view. Track volume numbers to never miss the next installment.
• Intuitive Search: Instantly find any book in your collection by title, author, or ISBN.
• Advanced Filtering: Filter your library by status, genre, author, or notes to find exactly what you're looking for.
• Custom Collections: Create unlimited themed collections to organize sagas, reading challenges, or your favorite genres.
🎨 PERSONALIZE YOUR COLLECTION
• Custom Covers: Replace default covers with your own photos to make your library truly yours.
🚀 TRACKING & PROGRESS (KANBAN)
• Visual Dashboard: Track your reading status at a glance with our intuitive Kanban view (To Read, In Progress, Finished).
• Precise Progress Tracking: Update your progress page by page or by percentage.
• Reading Journal: Log your reading sessions to see your progress evolve over time.
🔍 QUICK ADD & SCANNER
• Barcode Scanner: Add your physical books in an instant by scanning their ISBN barcode with your camera.
• Batch Mode (Premium ⭐): Scan dozens of books in a row without interruption to catalog your entire library in minutes.
• Quote Scanner (Premium ⭐): Never lose your favorite passages again! Scan text directly from your books to save them as notes.
📊 DETAILED STATISTICS
• Scoreboard: View your total books read, pages turned, and your overall reading pace.
• Tsundoku Index (Premium ⭐): Discover what percentage of your library is actually read and manage your "To Be Read" pile.
• Growth Charts (Premium ⭐): Analyze your reading habits with clear charts on your monthly and annual reading.
• Library Value (Premium ⭐): Keep an eye on the total financial value of your collection.
• Reading Heatmap (Premium ⭐): See your most active reading days on a visual calendar.
🤝 SHARING & SOCIAL
• Library Sharing (Premium ⭐): Share a unique link to your library with friends. They can view your books and progress on the web.
• Friends' Libraries (Premium ⭐): Follow your friends' libraries directly in the app to find inspiration for your next read.
• Privacy Control (Premium ⭐): Choose exactly which collections are visible or hidden from visitors.
☁️ BACKUP & SYNC
• Cloud Sync (Premium ⭐): Access your library on all your devices. Your data is securely backed up in the cloud.
• Guest Mode: Try the app freely without creating an account (data stays on your device).
Join the BookLog community and give your library the attention it dese