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: 10/4/2025
Bookvitals APP SRL
Google
Life.Church
E12 Holdings
Air Apps Systems
iCandi Apps Ltd.
DigitalSail (HK) Limited
Next Vision Limited
Hallow, Inc.
BAYMED LIMITED
Axiosware LLC
Rick Meyers
Greek Orthodox Archdiocese of America
Workman Consulting LLC
Nynix
Simulation Curriculum Corp.
Terminal Eleven LLC
mydigitalearth.com
Merriam-Webster, Inc.
Ancestry.com
Vortemol Limited
Ascension Publishing Group, LLC
BeenVerified, Inc.
Conlan Limited
