ionBible: KJV Study Bible

Every tool a serious student needs — fully offline. No Wi-Fi, no cell signal, no problem.

ionBible brings the complete King James Bible together with a full library of study tools — Strong's Concordance, original Greek and Hebrew, verse-by-verse commentary, cross-references, audio, split screen reading, personal notes, and reading plans — all in one app.

100% OFFLINE — STUDY TOOLS INCLUDED
No internet required for study. Strong's Concordance, Greek and Hebrew lexicons, commentary, cross-references, and the full Bible text are all stored locally on your device. Open the app anywhere and your entire study library is ready — no loading, no buffering.

TAP ANY WORD. FIND THE ORIGINAL.
Every word in the King James Bible is linked to Strong's Concordance. Tap a word to instantly see the original Greek or Hebrew term, its precise definition, its root, and every verse in Scripture where that word appears. Understand exactly what the biblical authors meant — in their own language.

COMMENTARY & CROSS-REFERENCES
Trusted verse-by-verse commentary throughout the Old and New Testaments. Every chapter is also rich with cross-references connecting passages across all 66 books — see how Scripture interprets Scripture.

RED LETTER BIBLE
The words of Jesus are displayed in red throughout the New Testament — making it easy to follow His teachings and identify His voice at a glance.

SPLIT SCREEN
Read two Bible translations side by side, or browse the book list while keeping your chapter open. A powerful tool for comparison, in-depth study, and translation insight.

AUDIO BIBLE
Listen to the King James Bible verse by verse with a clean player that follows along as you read. Perfect for commutes, walks, or any moment when your eyes are busy. Requires an internet connection.

POWERFUL SEARCH
Intelligent search that understands natural queries. Want every verse in John that mentions Jesus and love? Type "jn jesus love" and see results instantly — across all 31,102 verses, even offline.

HIGHLIGHTS, NOTES & TAGS
Mark verses in five elegant pastel colors. Write personal notes, attach them to specific verses, and tag them by topic — "Faith," "Prayer," "Prophecy." Everything lives in your Notes and Activity pages, ready to revisit anytime.

READING PLANS
Choose from structured plans — Bible in a Year, New Testament in 90 Days, Psalms & Proverbs, The Gospels — or create your own custom plan. Track daily progress, mark days complete, and pick up exactly where you left off.

PRAYER REQUESTS
Post prayer requests and stand in prayer for fellow believers around the world. Requires an internet connection.

SYNC ACROSS DEVICES
Sign in to sync your highlights, notes, and reading history across all your devices and ionbible.com. Switch phones, upgrade your device — your study is always safe.

SHARE THE WORD
Select any passage and share it instantly with a web link that lets the recipient read the full context. Perfect for encouraging friends, group Bible study, or sermon preparation.

DESIGNED FOR SERIOUS READING
Swipe up or down to move between chapters — as natural as turning a page. Choose your font, size, and theme color. Dark mode for night reading. The app remembers exactly where you left off.

6 TRANSLATIONS INCLUDED
King James Version (KJV) · Reina-Valera Antigua (RVA) · Louis Segond (LSG) · Russian Synodal (RUSV) · Vulgate Latin · Biblia Sagrada (Almeida)

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