Discover the most popular reference apps on the iPhone App Store. Rankings are updated daily and include free apps, paid apps, and top-grossing apps in the reference category.
Last updated: 2/3/2026
Life.Church
Book Vitals Inc.
Google
Next Vision Limited
Motivation Apps Free
Hallow, Inc.
Air Apps Systems
EliteCore (HK) Limited
Vortemol Limited
Rick Meyers
Jeffrey Kuiken
Simulation Curriculum Corp.
Nynix
The Bear Essentials Co. LTD
Gummy Bear Apps & Games Inc
ASA
Workman Consulting LLC
Truth78
Shepherd Press Apps
Ancestry.com
E12 Holdings
DUOMO APP LIMITED
