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A companion for reading the Bible. You read the text, look up a word or a passage, and ask your questions in five study modes. Profondeur is available in French, English and Spanish.

Each entry on the home screen answers a need.

• Reading: Read a book, chapter after chapter
• Dictionary: Understand a word and its original sense
• Concordance: Find the passages where a word recurs
• Study: A verse, a passage, a book, a theme
• Meditation: Dwell at length on a single verse
• Quiz: Test yourself on a passage you have read

No. Profondeur does not belong to any Christian tradition and is meant for everyone. When a passage is read in several ways, it presents them with their arguments, without settling the matter.

Always from the version you are reading, never from the AI. Profondeur explains and comments; the Bible text itself is taken as it stands from the version chosen at the top of the screen.

Yes. The answers are written by an artificial intelligence: it is a study tool, not an authority. The Bible text is shown with every explanation, so that you can check.

11 versions, all in the public domain, in French, English and Spanish. You can change at any time with the button that bears the version’s name, at the top of the screen. Each version contains the 66 books that all Christian Bibles have in common. The books that Catholic and Orthodox Bibles include in addition (Tobit, Judith, Wisdom, Sirach, Baruch, 1 and 2 Maccabees, and parts of Esther and Daniel) are not yet offered.

In several versions, you can tap a word with a dotted underline to see its entry: the Hebrew or Greek word it translates, its meaning and its other uses. The “Keywords” checkbox under the chapter title turns them on or off. Settings lists the versions concerned and lets you remove the underline.

Versions do not all divide chapters and verses in the same place, especially in the Psalms. Profondeur takes this into account: a reference takes you to the same passage, whichever version you are reading.

In Reading, tap a verse number: a bar lets you copy it, share it as text or as an image, add it to your verses or write a note. You will find them in the menu, under “My verses” and “My notes”. In Reading, a small icon at the end of a verse shows a note: tap it to open the note. The “Notes” checkbox under the chapter title shows or hides it.

They come from Unsplash, where photographers share their work. The photographer’s name appears under the preview, and the “Photographers” page names them all. If you place a verse on one of your own photos, it stays on your device: it is not sent.

With an account, your conversations are kept in your history: you will find them in the menu, under “My conversations”, on all your devices. Without an account, they are cleared when you close the tab. History can be turned off and cleared in “My account”.

Before the first question, you can tap the icon at the top of the screen, next to the version: the conversation becomes temporary. It stays out of your history and disappears when you move on or close the tab; it stays if you go read a chapter it cites. The verses you keep and your notes stay.

Yes. The listen button reads a verse or a chapter aloud, using the voices on your device. You can set the voice and the speed while listening. A sleep timer stops listening after the time you choose; while listening, your device’s screen stays on. If your device has no voice in this language, the button does not appear.

Yes, with an account. The microphone in the question bar transcribes what you say; you read the text over, then send it yourself. You can also dictate a note.

In the menu, Settings lets you choose the theme, the size of the text you read and the reading font. These choices stay on your device.

Yes. In your browser’s menu, choose “Add to Home screen” or “Install”: Profondeur then opens like an app. An Internet connection is still needed.

Every answer has a cost. Asking questions works within two limits: a 5-hour limit and a weekly limit. Each question counts according to what it costs: a long answer or a quiz counts more than a short question. The app shows you how much of each limit you have used and when it resets. Your limits depend on your access: without an account, with a free account or with paid access. Reading the Bible, looking up a word and comparing versions remain unlimited.

The account is free. It gives you larger limits, and it keeps your verses, your notes and your conversations so that you find them on all your devices.

Without an account, Profondeur keeps neither your questions nor its answers. With an account, it keeps your email address and what you choose to keep: your verses, your notes and your conversations. No advertising, no audience measurement, no resale. The details are in the privacy policy.

No one at Profondeur. To answer them, your questions are sent to OpenAI, with nothing that says who you are; OpenAI does not use them to train its AI and keeps them for 30 days at most.

In “My account”: “Download everything” gives you your verses, your notes and your conversations in a single file, and “Delete my account” erases everything, for good.

At contact@profondeur.chat, for a question, a mistake in an answer or a payment problem.