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Theoria: Church Fathers

By Theoria Studios Inc.

Download on theApp Store ↗Free · US storefront
App Store rating★ 5.08 ratings
Age rating4+Apple content rating
CompatibilityiOS 16.4+Check your device
Version1.3.0Updated 2026-10-23

About Theoria: Church Fathers

Theoria is a library of the Church Fathers — hundreds of works from 82 authors, from the Apostolic Fathers to the nineteenth century. READ A reader built for long texts: one chapter at a time, a table of contents that jumps straight to a heading, and a place-holder that remembers exactly where you stopped. Adjust the type, read in the dark, and pick up where you left off. LISTEN Audio narration is available for selected works. Listen with the text highlighted as it is read, from the lock screen or Control Center, and let one section carry into…

Read full description
Theoria is a library of the Church Fathers — hundreds of works from 82 authors, from the Apostolic Fathers to the nineteenth century.

READ
A reader built for long texts: one chapter at a time, a table of contents that jumps straight to a heading, and a place-holder that remembers exactly where you stopped. Adjust the type, read in the dark, and pick up where you left off.

LISTEN
Audio narration is available for selected works. Listen with the text highlighted as it is read, from the lock screen or Control Center, and let one section carry into the next. A daily reading reminder keeps the practice going.

ASK THE FATHERS
A research companion that answers from the library itself and cites its sources. Every citation opens the passage in the reader, so you are reading the Fathers, not a summary of them. Start from a daily question or ask your own, and return to any conversation later.

MARK AND KEEP
Highlight a passage, attach a note, and find it again on every device you read on. Save works for later and build a shelf of what you mean to read next.

THEORIA ORIGINALS
New translations of works never before available in English, 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 rather than about them. From the Apostolic Fathers and Athanasius to Chrysostom, Jerome, Augustine, Maximus the Confessor, and Gregory Palamas.

MEMBERSHIP
Unlocks full access to the whole library. Every text, unlimited audio listening, unlimited highlights / notes, modern-English renderings, and monthly research credits.

• Annual: $79.99 per year, after a 7-day free trial
• Monthly: $9.99 per month

Payment is charged to your Apple ID account at confirmation of purchase, or at the end of the free trial. The subscription renews automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel in your App Store account settings. Any unused portion of a free trial is forfeited when you purchase a subscription.

Terms of Service: https://readtheoria.com/legal/terms
Privacy Policy: https://readtheoria.com/legal/privacy

If you have any ideas, suggestions or need help in any way, let us know at support@readtheoria.com.

"Glory to God for all things."
— St. John Chrysostom

A closer look

Theoria: Church Fathers screenshot 1Theoria: Church Fathers screenshot 2Theoria: Church Fathers screenshot 3Theoria: Church Fathers screenshot 4Theoria: Church Fathers screenshot 5Theoria: Church Fathers screenshot 6
What’s new in version 1.3.0

- Follow the text as you listen: it lights up word by word, or by sentence or paragraph if you prefer (Account › Listening)
- Supports multiple voices — expanding over time
- Listening carries on into the next chapter with your screen locked, and a chapter's last words are no longer cut off
- Reading goals no longer say you're behind before you've had a full day to read
- A work you read to the end now counts as finished

KEEP EXPLORING

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