Bible by YouVersion
With over 400 million downloads, this is by far one of the most popular bible apps in the world. It includes all the core reading features (highlight, bookmark, notes, etc.) you could want, plus content plans to help you dive into different topics.
Spark Bible is not only really well designed, but it also connects readers with additional learning resources that correlate with each chapter of the Bible.
Logos is jam-packed with all of the expected study tools and features, but also allows you to dive deep into word studies & original manuscripts. We're big fans of their tab browsing functionality which allows you to open as many resources or bibles as you want side by side.
Bible App by Olive Tree
Olive Tree stood out to us because they allow you to access an immense library of curated resources as you read through scripture.
Parallel Plus Bible
The Parallel Bible optimizes itself for Greek & Hebrew word studies, allowing you to do a quick, side-by-side comparison of different bible versions.
This audio-based bible translates scripture into over 1,300 lanuguages & offers many dynamic readings of scripture you don't want to miss. You can also create & share custom playlists of scripture passages.
This iOS-only app is beautifully designed, simple to use, & easily customized to fit your reading preferences. For example, font sizes, margins, line spacing, etc. are all customizable.