AdFontes.AI
Ask the great Christian minds
About
Engage with historical Christian thinkers through AI. Ask questions and receive answers grounded in their writings, with citations to the original texts. Explore their ideas through chat, panel discussions, or scripture study.
What's New in AdFontes.AI
1.01
September 29, 2026
Your plan now says what it actually is — free trial, monthly, yearly, or complimentary — along with when it renews or ends. If you cancel, it says that too, rather than promising a renewal that isn't coming. One text size setting now changes text everywhere in the app, in four steps from Small to Extra Large, instead of quietly governing only part of it. Also in this release: • Fixed an issue that could close the app when opening a source in the reader on iPad • Answers no longer show stray # characters • Scrolled conversations no longer run underneath the clock • Reaching a limit on the free plan now offers a way forward instead of an error • Choosing a passage in Study now opens from the button you tapped, with books laid out by testament • Confirming your email now takes a deliberate tap, so a link scanner can't spend your confirmation before you do • You can now choose to receive The Footnote, our occasional letter. It's off unless you ask for it, and you can turn it off in Profile at any time • Assorted layout and wording fixes throughout
MoreSubscriptions & In-App Purchases
Disciple
Unlimited conversations, Panel mode, and Study mode.
FAQ
What is AdFontes.AI?
AdFontes.AI is an application that uses AI to simulate conversations with prominent Christian thinkers from history. It provides answers grounded in their actual writings, complete with citations for further study.
How does AdFontes.AI work?
You can ask questions in a one-on-one chat with a single thinker, convene a panel of up to three thinkers to discuss a topic, or use the study mode to go through Scripture with historical commentary. All responses are built from a searchable library of the thinkers' own texts.
Is AdFontes.AI free to use?
AdFontes.AI offers a 14-day free trial with full access. After the trial, the chat feature remains free with a daily message limit. A paid subscription unlocks unlimited messages and all modes.
What are the subscription options for AdFontes.AI?
The AdFontes Disciple subscription is available monthly for $12.00 or annually for $120.99. This subscription removes message limits and grants access to all thinkers and study features.
Can I cancel my AdFontes.AI subscription?
Yes, you can manage or cancel your subscription through your Apple Account settings. Cancellations must be made at least 24 hours before the end of the current billing period to avoid renewal charges.
What devices does AdFontes.AI support?
AdFontes.AI is available on iPhone and iPad. It supports both portrait and landscape orientations, and your conversations sync across devices via your account.
Is AdFontes.AI suitable for all ages?
AdFontes.AI requires users to be 18 or older. It is intended as a study tool and not a substitute for pastoral care or direct engagement with Scripture and the church.
How often is AdFontes.AI updated?
The app was last updated on September 29, 2026, with version 1.01. Further updates will likely continue to refine the AI models and expand the library of thinkers.
