Everyone would benefit. Though especially Biblical scholars, preachers and ministers.
Please provide a tabbed bar at the top under or above the book e.g. Genesis In the reading view, where we can tap on the abbreviation of the desired Bible version to read with it.
NIV, NKJV. etc.
side note. This may also work for commentaries.
perhaps have displayed like this
Bible | Commentary
then the bar changes to respective tabs
NIV | NKJV | KJV | ASTD | MAC | etc.