Top Books & Reference apps in United States 🇺🇸
As of May 12, 2026, Merlin Bird ID by Cornell Lab is the #1 Books & Reference app in United States on Android.
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#App / PublisherCategoryIntel
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Reference - 14NEWHoopla: Your Library, Anywhere
Midwest Tape LLC
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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 12, 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.