Top Books & Reference apps in United States 🇺🇸
As of May 21, 2026, Merlin Bird ID by Cornell Lab is the #1 Books & Reference app in United States on Android.
AndroidiOS
#App / PublisherCategoryIntel
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Reference - 2
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Book - 52—
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Books - 91
Reference - 101—
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- 14Hoopla: Your Library, Anywhere
Midwest Tape LLC
— - 1539
Reference - 161
Books - 171
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Book - 192
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Reference - 234
Books - 241
Books - 252
Book - 261
Reference - 271
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Books - 291
Book - 306
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Books - 352—
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Books - 372
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Books - 421
Reference - 43
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Book - 452
Books - 466—
- 479
- 4810—
- 491
Reference - 505
Books
What changed
Movement between the previous day and May 21, 2026.
New entrants
ReadAnywhere#195
Risers
- PDF Document Reader & Editor
#141 → #96
- Knigorad- Exclusive novels
#185 → #143
- Listen to Wikipedia
#54 → #15
Star Gazer & Night Sky Map#88 → #57
- PopoVibe
#178 → #148
Fallers
- ModMatrix - Mods for Minecraft
#149 → #200
- Holy KJV Bible
#122 → #172
Member Tools#128 → #170
Bible Path: Prayers & Widgets#104 → #134
- NKJV - New King James Version
#121 → #147
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 21, 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.