Blue Letter Bible provides 30-plus bible versions, in text and audio form, with or without commentary and concordances and dictionaries -- all for free.
Easy to navigate: Just scroll down to read or tap the two downturned arrows on the bottom rail to activate auto-scrolling. To turn the page or go backwards, press the right or left arrows on the top rail, respectively.
Advanced word search: Interested in a specific topic? Tap the magnifying glass on the bottom rail to search for verses and passages about certain biblical figures such as Abraham, or topics, like charity.
Various versions: There are multiple versions of the bible, and Blue Letter Bible has most of them, including The King James Version (KJV), English Standard Version, The Holman Christian Bible, and New American Standard Bible (NASB).
Text or audio: Whether you're unable to read easily or would just prefer to give your eyes a break, turn on audio under Preferences, then Other Settings to hear narrated or dramatized readings (with multiple actors) of your favorite chapters.
A variety of languages: You can download the bible in your native language or enjoy it in more traditional Hebrew, Greek, and Latin.
Study tools: Highlight or underline your favorite verses, or bookmark your favorite passages. You can also take notes in the Notes section.
Audio isn't available for every version: Narrated readings are only available for KJV, New King James Version (NKJV), New International Version (NIV), Reina Valera 1960, and NASB. Dramatized readings are only available for NKJV, New Living Translation, and New International Version.
Blue Letter Bible is one of the best bible readers we've ever encountered. It has everything necessary to study the bible and, best of all, it's free.