Top Reference apps in United States 🇺🇸
As of May 27, 2026, Merlin Bird ID by Cornell Lab is the #1 Reference app in United States on iOS.
iOSAndroid
#App / PublisherCategoryIntel
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Справочники - 141

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What changed
Movement between the previous day and May 27, 2026.
New entrants
Risers
Athkar - أذكار#69 → #40
Blessed - Daily Verse & Prayer#35 → #9
Quran Majeed – القران الكريم#59 → #39
Muslim Pro: Quran & Athan#39 → #27
Logos: Deep Bible Study#98 → #86
Fallers
VR Virtual Reality 360°#68 → #89
Audubon Bird Guide#77 → #97
Auto Clicker: Tap Automation#72 → #91
BibleWatch - Watch the Bible#75 → #92
Birda - Bird Watching App#57 → #73
Methodology
Rankings are pulled daily from the iOS 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 Reference app in United States on iOS?
As of May 27, 2026, Merlin Bird ID by Cornell Lab is the #1 Reference app in United States on iOS, based on the public iOS chart rankings Marlvel tracks daily.
How often are these rankings updated?
Marlvel snapshots the iOS 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 iOS store charts for United States. See our methodology for data sources, refresh cadence, and the quality filters applied before a ranking is indexed.