Top Books & Reference apps in United States 🇺🇸
As of May 20, 2026, Merlin Bird ID by Cornell Lab is the #1 Books & Reference app in United States on Android.
AndroidiOS
#App / PublisherCategoryIntel
- 1
Reference - 2
Reference - 3—
- 41
Book - 51
Books - 6
Book - 72—
- 81
Reference - 91—
- 101—
- 111
Books - 121
Book - 131
- 14Hoopla: Your Library, Anywhere
Midwest Tape LLC
— - 151
Books - 161
Books - 171
Reference - 182
Book - 19
Books - 206
Books - 212—
- 223
Reference - 231
Books - 249
Books - 254
Reference - 262
Books - 275
Book - 288
Book - 296
Book - 304

- 311
Books - 325
Reference - 334—
- 343

- 352
Books - 363
Books - 378—
- 382
Books - 395
Books - 403—
- 418
Reference - 421—
- 437
- 448
Book - 453
Books - 461
Books - 476
Books - 4827
Reference - 492
Reference - 509
Reference
What changed
Movement between the previous day and May 20, 2026.
New entrants
Risers
TapRead - Read Good Story#122 → #90
- Pobaca
#167 → #136
- Okudu AI - Create Stories
#163 → #134
- Cadence: Read Romance Books
#88 → #60
Sky Tonight - Stargazing Guide#75 → #48
Fallers
- Goodfic - Web Novel & Booktok
#126 → #169
- ModMatrix - Mods for Minecraft
#107 → #149
Play! Pokémon Access#147 → #188
GeauxVote Mobile#30 → #69
- Bible Vod: Audio & Bible Chat
#140 → #170
Methodology
Rankings are pulled daily from the Android store charts for United States. We snapshot the top entries each day and compute day-over-day change relative to the prior snapshot. See our full methodology for data sources, refresh cadences, and quality filters.
Frequently asked questions
What is the #1 Books & Reference app in United States on Android?
As of May 20, 2026, Merlin Bird ID by Cornell Lab is the #1 Books & Reference app in United States on Android, based on the public Android chart rankings Marlvel tracks daily.
How often are these rankings updated?
Marlvel snapshots the Android charts for United States every day and computes day-over-day movement. The "Current" page always reflects the latest snapshot; dated archive pages preserve each day's top 50.
Where does Marlvel's ranking data come from?
Rankings are pulled from the public Android store charts for United States. See our methodology for data sources, refresh cadence, and the quality filters applied before a ranking is indexed.