Understory: Reading Tracker: iPhone vs Android
Understory: Reading Tracker by Understory Studios LLC 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.
Rating
4.8 ★
71 ratings, both stores
Measured
Best rank now
#54
iPhone · 
Books Grossing
Books GrossingMeasured
App Store
App details
App ID
6767701983
Publisher
Understory Studios LLC
On the store since
May 2026
Under a year
Minimum OS
iOS 15.1+
iPhone 6s and later
Devices
iPhone · iPad
Content rating
12+
7 content notes below
Languages
1
EN
Size
180 MB
Also listed in
Books, Social Networking
Content notesInfrequent/Mild Alcohol, Tobacco, or Drug Use or ReferencesInfrequent/Mild Realistic ViolenceInfrequent/Mild Profanity or Crude HumorInfrequent/Mild Horror/Fear ThemesInfrequent/Mild Sexual Content and NudityInfrequent/Mild Mature/Suggestive ThemesInfrequent/Mild Contests
Google Play
App details
App ID
com.kristof.kovacs.bookapp
Publisher
Understory Studios LLC
Content rating
Teen
Understory: Reading Tracker downloads & installs
Both stores, worldwide. Bands are open; exact numbers are free with an account.
| Store | Downloads / day | Lifetime installs |
|---|---|---|
| iPhone | – | 1k+ |
| Google Play | – | 1k+ Measured |
| Total | – | 5k+ 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.
Where Understory: Reading Tracker's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
Retention · share of new users still active
Day 1
Day 7
Day 30
Time spent · per daily user
Average time spent Pro
min a day
Sessions a day Pro
Time per session Pro
min
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: In-app purchase-led
How Understory: Reading Tracker makes money: subscriptions, one-off purchases and ads.
In-app purchases
One-off purchases
/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 | 4.9 ★ | 55 |
| Google Play | 4.5 ★ | 16 5 written reviews |
| Both stores | 4.8 ★ weighted by ratings | 71 |
About Understory: Reading Tracker
Understory is a reading tracker, book tracker, and social reading app designed to help you track books, log reading progress, set reading goals, and stay consistent. Whether you’re organizing your bookshelf, building a reading habit, or joining a book group, Understory brings together everything you need in one place with a fun plant aesthetic.
Join the Understory bookish community to build a better reading habit and build a better world!
GROW REAL-LIFE TREES:
Watch your garden bloom in Understory and meet monthly objectives to grow real-world trees! Visit friends’ gardens daily to help their trees grow!
INTERACT WITH FRIENDS:
Join book groups where you and your friends can read different books! Like and comment on reviews in the social feed!
TRACK YOUR READING:
Review your books with half stars, audiobook tags and private reads! Manage your library with custom reading lists including a Did Not Finish (DNF) list!
LEVEL UP YOUR READING:
Improve your reading habit with leaderboards for books read, reading streaks, and XP level! Earn XP by logging reading and interacting with other users!
SHARE BOOK RECS:
See your friends’ favorite and highly rated books and share book recommendations directly with your friends!
SEE YOUR STATS:
Get insights on your reading history and social interactions through shareable stats and graphs and our signature Library Card graphic!
Understory is perfect for readers who want to:
- Track books and reading progress in one place
- Build a daily reading habit and reading streak by growing a fun garden that doesn’t feel like a chore
- Log books, reviews, and ratings (with half stars!)
- Organize a TBR (to be read) list
- Track audiobooks and ebooks
- Join a social book community
- Discover new book recommendations
Terms of Use: https://www.understory-app.com/terms-of-use
Privacy Policy: https://www.understory-app.com/privacy-policy
Content and Copyright Policy: https://www.understory-app.com/content-copyright-policy
Join the Understory bookish community to build a better reading habit and build a better world!
GROW REAL-LIFE TREES:
Watch your garden bloom in Understory and meet monthly objectives to grow real-world trees! Visit friends’ gardens daily to help their trees grow!
INTERACT WITH FRIENDS:
Join book groups where you and your friends can read different books! Like and comment on reviews in the social feed!
TRACK YOUR READING:
Review your books with half stars, audiobook tags and private reads! Manage your library with custom reading lists including a Did Not Finish (DNF) list!
LEVEL UP YOUR READING:
Improve your reading habit with leaderboards for books read, reading streaks, and XP level! Earn XP by logging reading and interacting with other users!
SHARE BOOK RECS:
See your friends’ favorite and highly rated books and share book recommendations directly with your friends!
SEE YOUR STATS:
Get insights on your reading history and social interactions through shareable stats and graphs and our signature Library Card graphic!
Understory is perfect for readers who want to:
- Track books and reading progress in one place
- Build a daily reading habit and reading streak by growing a fun garden that doesn’t feel like a chore
- Log books, reviews, and ratings (with half stars!)
- Organize a TBR (to be read) list
- Track audiobooks and ebooks
- Join a social book community
- Discover new book recommendations
Terms of Use: https://www.understory-app.com/terms-of-use
Privacy Policy: https://www.understory-app.com/privacy-policy
Content and Copyright Policy: https://www.understory-app.com/content-copyright-policy
Understory: Reading Tracker iPhone
Understory: Reading Tracker is #54 in Books Grossing in Indonesia and charting in 1 of 30 countries we track.
Updated 25 Oct 2026 · rankings refresh through the day
DeveloperUnderstory Studios LLC
CategoryBooks
PriceFree
Released
Rating★ 4.9 (55)
Version1.7.0
Age rating12+
First seen by us 23 Oct 2026
23 Oct 2026Installs (est.)1k+ worldwide
Rating
4.9 ★
55 ratings
Measured
Best rank now
#54
Books GrossingMeasured
Understory: Reading Tracker on the App Store
App details
App ID
6767701983
Publisher
Understory Studios LLC
On the store since
May 2026
Under a year
Minimum OS
iOS 15.1+
iPhone 6s and later
Devices
iPhone · iPad
Content rating
12+
7 content notes below
Languages
1
EN
Size
180 MB
Also listed in
Books, Social Networking
Content notesInfrequent/Mild Alcohol, Tobacco, or Drug Use or ReferencesInfrequent/Mild Realistic ViolenceInfrequent/Mild Profanity or Crude HumorInfrequent/Mild Horror/Fear ThemesInfrequent/Mild Sexual Content and NudityInfrequent/Mild Mature/Suggestive ThemesInfrequent/Mild Contests
Understory: Reading Tracker 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.
Where Understory: Reading Tracker's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
Retention · share of new users still active
Day 1
Day 7
Day 30
Time spent · per daily user
Average time spent Pro
min a day
Sessions a day Pro
Time per session Pro
min
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: In-app purchase-led
How Understory: Reading Tracker makes money: subscriptions, one-off purchases and ads.
In-app purchases
One-off purchases
/mo
of revenue
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| Indonesia | BooksGrossing | #54 |
Apps near Understory: Reading Tracker on the chart
Books Grossing, around #54.
Ratings
App Store, worldwide.
Rating
4.9 ★
55 ratings
Measured
Ratings
55
Measured
About Understory: Reading Tracker
Understory is a reading tracker, book tracker, and social reading app designed to help you track books, log reading progress, set reading goals, and stay consistent. Whether you’re organizing your bookshelf, building a reading habit, or joining a book group, Understory brings together everything you need in one place with a fun plant aesthetic.
Join the Understory bookish community to build a better reading habit and build a better world!
GROW REAL-LIFE TREES:
Watch your garden bloom in Understory and meet monthly objectives to grow real-world trees! Visit friends’ gardens daily to help their trees grow!
INTERACT WITH FRIENDS:
Join book groups where you and your friends can read different books! Like and comment on reviews in the social feed!
TRACK YOUR READING:
Review your books with half stars, audiobook tags and private reads! Manage your library with custom reading lists including a Did Not Finish (DNF) list!
LEVEL UP YOUR READING:
Improve your reading habit with leaderboards for books read, reading streaks, and XP level! Earn XP by logging reading and interacting with other users!
SHARE BOOK RECS:
See your friends’ favorite and highly rated books and share book recommendations directly with your friends!
SEE YOUR STATS:
Get insights on your reading history and social interactions through shareable stats and graphs and our signature Library Card graphic!
Understory is perfect for readers who want to:
- Track books and reading progress in one place
- Build a daily reading habit and reading streak by growing a fun garden that doesn’t feel like a chore
- Log books, reviews, and ratings (with half stars!)
- Organize a TBR (to be read) list
- Track audiobooks and ebooks
- Join a social book community
- Discover new book recommendations
Terms of Use: https://www.understory-app.com/terms-of-use
Privacy Policy: https://www.understory-app.com/privacy-policy
Content and Copyright Policy: https://www.understory-app.com/content-copyright-policy
Join the Understory bookish community to build a better reading habit and build a better world!
GROW REAL-LIFE TREES:
Watch your garden bloom in Understory and meet monthly objectives to grow real-world trees! Visit friends’ gardens daily to help their trees grow!
INTERACT WITH FRIENDS:
Join book groups where you and your friends can read different books! Like and comment on reviews in the social feed!
TRACK YOUR READING:
Review your books with half stars, audiobook tags and private reads! Manage your library with custom reading lists including a Did Not Finish (DNF) list!
LEVEL UP YOUR READING:
Improve your reading habit with leaderboards for books read, reading streaks, and XP level! Earn XP by logging reading and interacting with other users!
SHARE BOOK RECS:
See your friends’ favorite and highly rated books and share book recommendations directly with your friends!
SEE YOUR STATS:
Get insights on your reading history and social interactions through shareable stats and graphs and our signature Library Card graphic!
Understory is perfect for readers who want to:
- Track books and reading progress in one place
- Build a daily reading habit and reading streak by growing a fun garden that doesn’t feel like a chore
- Log books, reviews, and ratings (with half stars!)
- Organize a TBR (to be read) list
- Track audiobooks and ebooks
- Join a social book community
- Discover new book recommendations
Terms of Use: https://www.understory-app.com/terms-of-use
Privacy Policy: https://www.understory-app.com/privacy-policy
Content and Copyright Policy: https://www.understory-app.com/content-copyright-policy
Latest updates
1.7.0
New shareables, various improvements and bug fixes
Understory: Reading Tracker Android
Not in a tracked Google Play top chart right now.
Updated 25 Oct 2026 · rankings refresh through the day
DeveloperUnderstory Studios LLC
CategoryBooks & Reference
PriceFree
Released
Installs1k+
Rating★ 4.5 (16)
Updated
Content ratingTeen
Rating
4.5 ★
16 ratings
Measured
Understory: Reading Tracker on Google Play
App details
App ID
com.kristof.kovacs.bookapp
Publisher
Understory Studios LLC
Content rating
Teen
Understory: Reading Tracker 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.
Where Understory: Reading Tracker's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
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: In-app purchase-led
How Understory: Reading Tracker makes money: subscriptions, one-off purchases and ads.
In-app purchases
One-off purchases
/mo
of revenue
Where it ranks on Google Play
Every top 200 chart it appears in across 23 countries.
| Country | Charts | Rank |
|---|---|---|
| Not in a Google Play top chart right now. | ||
Ratings
Google Play, worldwide.
Rating
4.5 ★
16 ratings
Measured
Ratings
16
Measured
Written reviews
5
Measured
About Understory: Reading Tracker
Reward your reading habit with real-world and in-game trees!
Understory is a reading tracker, book tracker, and social reading app designed to help you track books, log reading progress, set reading goals, and stay consistent. Whether you’re organizing your bookshelf, building a reading habit, or joining a book group, Understory brings together everything you need in one place with a fun plant aesthetic.
Join the Understory bookish community to build a better reading habit and build a better world!
GROW REAL-LIFE TREES:
Watch your garden bloom in Understory and meet monthly objectives to grow real-world trees! Visit friends’ gardens daily to help their trees grow!
INTERACT WITH FRIENDS:
Join book groups where you and your friends can read different books! Like and comment on reviews in the social feed!
TRACK YOUR READING:
Review your books with half stars, audiobook tags and private reads! Manage your library with custom reading lists including a Did Not Finish (DNF) list!
LEVEL UP YOUR READING:
Improve your reading habit with leaderboards for books read, reading streaks, and XP level! Earn XP by logging reading and interacting with other users!
SHARE BOOK RECS:
See your friends’ favorite and highly rated books and share book recommendations directly with your friends!
SEE YOUR STATS:
Get insights on your reading history and social interactions through shareable stats and graphs and our signature Library Card graphic
Understory is perfect for readers who want to:
- Track books and reading progress in one place
- Build a daily reading habit and reading streak by growing a fun garden that doesn’t feel like a chore
- Log books, reviews, and ratings (with half stars!)
- Organize a TBR (to be read) list
- Track audiobooks and ebooks
- Join a social book community
- Discover new book recommendations
Terms of Use: https://www.understory-app.com/terms-of-use
Privacy Policy: https://www.understory-app.com/privacy-policy
Content and Copyright Policy: https://www.understory-app.com/content-copyright-policy
Understory is a reading tracker, book tracker, and social reading app designed to help you track books, log reading progress, set reading goals, and stay consistent. Whether you’re organizing your bookshelf, building a reading habit, or joining a book group, Understory brings together everything you need in one place with a fun plant aesthetic.
Join the Understory bookish community to build a better reading habit and build a better world!
GROW REAL-LIFE TREES:
Watch your garden bloom in Understory and meet monthly objectives to grow real-world trees! Visit friends’ gardens daily to help their trees grow!
INTERACT WITH FRIENDS:
Join book groups where you and your friends can read different books! Like and comment on reviews in the social feed!
TRACK YOUR READING:
Review your books with half stars, audiobook tags and private reads! Manage your library with custom reading lists including a Did Not Finish (DNF) list!
LEVEL UP YOUR READING:
Improve your reading habit with leaderboards for books read, reading streaks, and XP level! Earn XP by logging reading and interacting with other users!
SHARE BOOK RECS:
See your friends’ favorite and highly rated books and share book recommendations directly with your friends!
SEE YOUR STATS:
Get insights on your reading history and social interactions through shareable stats and graphs and our signature Library Card graphic
Understory is perfect for readers who want to:
- Track books and reading progress in one place
- Build a daily reading habit and reading streak by growing a fun garden that doesn’t feel like a chore
- Log books, reviews, and ratings (with half stars!)
- Organize a TBR (to be read) list
- Track audiobooks and ebooks
- Join a social book community
- Discover new book recommendations
Terms of Use: https://www.understory-app.com/terms-of-use
Privacy Policy: https://www.understory-app.com/privacy-policy
Content and Copyright Policy: https://www.understory-app.com/content-copyright-policy
What's new in 1.6.3
Various improvements and bug fixes