Studying the Bible verse by verse can feel overwhelming without a guide — especially when you want to go deeper than a surface-level reading but don't have a seminary library at your disposal. Enduring Word is that guide: a free, comprehensive Bible commentary covering every book from Genesis to Revelation, written by Pastor David Guzik in a warm, accessible style that serves pastors preparing sermons and new believers reading Scripture for the first time alike.^1
What makes Enduring Word distinctive is how it blends scholarly depth with pastoral warmth. The commentary weaves in insights from historical theologians like Spurgeon, Poole, Trapp, and Clarke alongside Guzik's own verse-by-verse teaching notes, giving readers a sense of how the Church has understood these passages across centuries. With more than 11,000 pages of commentary, hundreds of audio and video teachings, and content available in over 15 languages, Enduring Word has grown from one pastor's personal notes into one of the most widely-used Bible study resources on the internet — surpassing 6 million page views per month.^2
David Guzik never set out to write a commentary. In 1996, as a young Calvary Chapel pastor, he submitted his digital teaching notes to the fledgling Blue Letter Bible website alongside an estimated 300 other pastors. He turned out to be the only one who followed through. Those notes — originally prepared on a Kaypro II computer in the late 1980s — became the foundation for what is now used by millions worldwide.^4 Guzik continues to serve as pastor at Calvary Chapel Santa Barbara and hosts a weekly live Q&A on YouTube (Thursdays at 12PM PT), where his main channel has grown to over 375,000 subscribers.^5
Why Christians Love Enduring Word: "Enduring Word is a fascinating commentary with precise and accurate Biblical exegesis. It has grown me rapidly in my understanding of the Bible and even in my willingness to live for Christ."^6 A recent convert shared, "The Bible can be a bit daunting because of the length and the language but this app has helped break down verses in a way that makes it more easily understood... It has certainly helped me in seeking God."^6 On Google Play, one user wrote, "I had been using the web version of the commentary for a few years, but it is much easier to quickly go to a chapter on the app."^7 Another praised, "Great, useful & reliable commentary... This app can help pastors, ministers, preachers, Bible students, and every believer to dig deeper into God's Word."^7
Notable:
- In November 2025, Thomas Nelson published the Enduring Word Study Bible (NKJV), bringing Guzik's pastoral commentary into a physical study Bible format with notes for every chapter, 400 application notes, 50+ in-depth articles, and over 200 word studies^8
- Enduring Word is a 501(c)(3) nonprofit, certified transparent by Excellence in Giving^1
- Commentary also available on Blue Letter Bible, Logos, Mantis, Kindle, and Biblesoft platforms^1
- David Guzik also publishes daily devotionals on a dedicated YouTube channel^9
Platforms: iOS, Android, Web Pricing: Free
