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About Our Sources

This app draws on centuries of biblical scholarship to help you understand scripture. Here is a full explanation of where the commentary, word study data, and AI responses come from.

Commentary Sources

Matthew Henry's Commentary

Matthew Henry · 1662–1714 · Published 1708–1710

Matthew Henry was a Welsh Nonconformist minister whose Exposition of the Old and New Testaments remains one of the most widely read Bible commentaries in the world. It covers every chapter of the Bible with practical, devotional, and theological insight.

His commentary is known for its readable prose, its attention to the moral and spiritual application of each passage, and its warm pastoral tone. It is thoroughly grounded in the Protestant Reformed tradition.

This commentary is in the public domain and is used in full.

John Wesley's Explanatory Notes

John Wesley · 1703–1791 · Published 1754–1765

John Wesley, the founder of Methodism, wrote concise explanatory notes on both the Old and New Testaments. His notes are verse-by-verse, focused on plain meaning, and shaped by his Arminian theology — emphasising God's grace available to all people and the call to holy living.

Wesley drew heavily on the scholarship of Johann Bengel and other Protestant commentators, while translating complex ideas into language accessible to ordinary readers.

This commentary is in the public domain and is used in full.

Historic Church Writings

Various authors · 1st century AD – 20th century

The app draws on an extensive collection of Christian writings spanning nearly two thousand years of church history. Early figures include Clement of Rome, Ignatius of Antioch, Justin Martyr, Origen of Alexandria, John Chrysostom, Augustine of Hippo, and Jerome. Medieval writers include Anselm of Canterbury, Bernard of Clairvaux, and Thomas Aquinas. Reformation-era voices include John Calvin, Martin Luther, and Ulrich Zwingli. More recent figures such as C.S. Lewis also appear in the collection.

These writings offer perspective on how Christians across different centuries, traditions, and cultures understood and applied the biblical text.

Coverage varies significantly by passage. Not all passages have commentary from all periods available. All writings used are in the public domain.
Bible Translations

Available Translations

7 translations currently available

The following Bible translations are available in the app. Each has different licensing terms which we observe:

  • KJV — King James Version (1611). Public domain worldwide.
  • GEN — Geneva Bible (1560). Public domain worldwide.
  • ESV — English Standard Version. Scripture quotations are from the ESV® Bible (The Holy Bible, English Standard Version®), copyright © 2001 by Crossway, a publishing ministry of Good News Publishers. All rights reserved.
  • NASB — New American Standard Bible. Scripture quotations taken from the (NASB®) New American Standard Bible®, Copyright © 1960, 1971, 1972, 1973, 1975, 1977, 1995, 2020 by The Lockman Foundation. www.Lockman.org
  • AMP — Amplified Bible. Scripture quotations taken from the Amplified® Bible (AMP), Copyright © 2015 by The Lockman Foundation. www.Lockman.org
  • BSB — Berean Standard Bible. The Holy Bible, Berean Standard Bible, BSB is produced in cooperation with Bible Hub and the Berean Bible Translation Committee. Dedicated to the public domain.
  • NLT — New Living Translation. Scripture quotations marked (NLT) are taken from the Holy Bible, New Living Translation, copyright © 1996, 2004, 2015 by Tyndale House Foundation. Tyndale House Publishers, Inc., Carol Stream, Illinois 60188. All rights reserved. Accessed via the official NLT API (api.nlt.to). Available to users with the "Simple" complexity setting.
If you believe any translation is being used outside its permitted terms, please contact us at jonathonjamesdurno@gmail.com.
Word Study

Original Language Word Studies

Hebrew (Old Testament) · Greek (New Testament)

When you tap a word, the app looks up its original biblical language form — Hebrew for the Old Testament, Greek for the New Testament. It shows the transliteration (how it is pronounced), the lexical definition, and contextual notes on how the word is used in scripture.

This helps you understand nuances that can be lost in translation, such as the range of meaning behind a single Greek or Hebrew word, or how the same word is used differently across different authors.

Word study data is generated using AI with reference to standard biblical lexicons including Strong's, BDAG, and BDB.
AI Assistance

AI-Assisted Responses

Grounded in the commentaries above

The theological analysis and follow-up chat features are powered by an AI language model. Crucially, the AI is given the actual text of the relevant commentaries for each passage — it does not answer from general knowledge alone.

When the AI cites Matthew Henry, Wesley, or historic church writings, it is drawing on the real retrieved text from those sources. It is instructed to indicate when a source is not available for a given passage rather than invent content.

AI responses should be read alongside the source commentaries, not as a replacement. Always verify significant claims against the original texts.