Shelf: music, books, movies: iPhone vs Android
Shelf: music, books, movies gets 10k+ downloads a day worldwide (AppInsider estimate, September 2026, rounded down to a band).
Shelf: music, books, movies by Koodos, Inc. 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
4.7 ★
8.4k ratings, both stores
Measured
Best rank now
#15
Android · 
Books & Reference Free
Books & Reference FreeMeasured
App Store
App details
App ID
1667391175
Publisher
Koodos, Inc.
Content rating
12+
Google Play
App details
App ID
com.koodos.shelf
Publisher
koodos
Content rating
Teen
Shelf: music, books, movies downloads & installs
Both stores, worldwide. Bands are open; exact numbers are free with an account.
| Store | Downloads / day | Lifetime installs |
|---|---|---|
| iPhone | 1k+ | 500k+ |
| Google Play | 10k+ | 1M+ Measured |
| Total | 10k+ Confidence | 1M+ 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 Shelf: music, books, movies'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.
Where it ranks now
Both stores, across every country we track.
All Apps FreeRatings
Both stores. Store data, measured.
| Store | Rating | Ratings |
|---|---|---|
| App Store | 4.7 ★ | 1.2k |
| Google Play | 4.7 ★ | 7.3k 241 written reviews |
| Both stores | 4.7 ★ weighted by ratings | 8.4k |
About Shelf: music, books, movies
Effortlessly track across platforms
Connect Spotify, Netflix, Apple Music, Letterboxd, Goodreads, and more. Shelf automatically organizes what you watch, read, listen to, play & more into one evolving profile.
-See your taste from every angle.
-View your top artists and genres.
-Scroll a chronological history of what you’ve watched and read.
-Keep a living record of your cultural life.
Get personalized recaps
-Weekly and monthly summaries show what defined your time and how your taste shifts.
Unlock experiences powered by your Shelf
-Dive into insights, comparisons, trend breakdowns, and evolving tools built around your data. The more complete your Shelf, the more you can access.
Browse friends’ Shelves
-See what people you care about are into and explore their taste across categories.
Customize your profile
-Personalize your Shelf so it reflects who you are.
Your data, on your terms
-Private by default. You control what’s connected and what’s visible. Your history stays yours.
-We safeguard your data with cutting-edge encryption tech.
-The creators of Shelf are pioneers behind people taking back control of their data from the big platforms. We’re data rights activists and will fight (and build) until we all have control and ownership over our own data (see more here: https://share.shelf.im/data-rights).
Shelf grows with you.
-The more you add, the clearer the patterns become. The more complete your Shelf, the more it understands your taste.
-It’s not another recommendation feed or social app. It’s a living record of what you’ve been into— and what that says about you.
Shelf is created by a team in NYC and loved by people across the world! Featured in TechCrunch, Business Insider, Harvard Business Review and more.
Follow along for updates and memes: @getashelf
Connect Spotify, Netflix, Apple Music, Letterboxd, Goodreads, and more. Shelf automatically organizes what you watch, read, listen to, play & more into one evolving profile.
-See your taste from every angle.
-View your top artists and genres.
-Scroll a chronological history of what you’ve watched and read.
-Keep a living record of your cultural life.
Get personalized recaps
-Weekly and monthly summaries show what defined your time and how your taste shifts.
Unlock experiences powered by your Shelf
-Dive into insights, comparisons, trend breakdowns, and evolving tools built around your data. The more complete your Shelf, the more you can access.
Browse friends’ Shelves
-See what people you care about are into and explore their taste across categories.
Customize your profile
-Personalize your Shelf so it reflects who you are.
Your data, on your terms
-Private by default. You control what’s connected and what’s visible. Your history stays yours.
-We safeguard your data with cutting-edge encryption tech.
-The creators of Shelf are pioneers behind people taking back control of their data from the big platforms. We’re data rights activists and will fight (and build) until we all have control and ownership over our own data (see more here: https://share.shelf.im/data-rights).
Shelf grows with you.
-The more you add, the clearer the patterns become. The more complete your Shelf, the more it understands your taste.
-It’s not another recommendation feed or social app. It’s a living record of what you’ve been into— and what that says about you.
Shelf is created by a team in NYC and loved by people across the world! Featured in TechCrunch, Business Insider, Harvard Business Review and more.
Follow along for updates and memes: @getashelf