Theoria: Church Fathers

Theoria is a library of the Church Fathers — hundreds of works from the Apostolic Fathers to the nineteenth century, in careful English translation.

READ
Explore Christian theological works in a reader built for long texts. Adjust the type, read in dark mode, navigate by chapter, and return to where you stopped.

LISTEN
Listen to narrated works from the library and make the Fathers part of your daily reading practice.

ASK THE FATHERS
Explore questions with a research companion that draws from the library and cites its sources. Open citations in the reader to examine the passages for yourself.

BUILD YOUR LIBRARY
Save works for later and return to your reading across devices.

THEORIA ORIGINALS
Discover new translations alongside modern-English renderings of older translations.

WHO IT IS FOR
Christians, inquirers, catechumens, students of theology, and anyone who wants to read the Fathers in their own words. Explore writers including Athanasius, John Chrysostom, Jerome, Augustine, Maximus the Confessor, and Gregory Palamas.

MEMBERSHIP
A membership is required to access the library. Monthly and annual subscription options are available. Prices and any applicable trial terms are shown in the app before purchase. Subscriptions renew automatically unless canceled. Manage or cancel your subscription through Google Play.

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