Considered the industry standard; depending on the version purchased, it contains hundreds to thousands of Bible reference tools. Prices range from $15 to $10,000. NOTE: An iPad app is available for free which includes some Bible versions and basic study books, but if you own the proprietary software, you can sync your highlights, notes, and many of your purchased books across all platforms.
Less popular than Logos, Accordance is designed to keep the Bible at the center of your study. In order to facilitate this, many of the features and tools in Accordance have been directly integrated into the text of the Bible itself.
A less-popular program that contains a lot of Bible tools, but is not as powerful as the above-listed program. Ranges in price from $35 to $450, depending on the version purchased.
A completely free version includes access to several versions including the ESV, LEB, NET, several commentaries, lexicons, and dictionaries. Has a great text editor to add notes on a specific passage. Can purchase additional resources
Considered one of the premier Bible study apps for iPad, iPhone, and Android tablets. The basic system can be downloaded for free. Many free resources are available. Additionally, a wide variety of other books are available for purchase.