Each edition is a condensed version of the next one up in size. They cater for non-Christians through to mature Christians.

Four of the editions contain questions for Bible studies.

This app provides an interactive format. It contains:
- cross reference links;
- links from verses to Bible sites, for checking context;
- Scripture and subject index links.
- a search function;
- the capacity to set multiple bookmarks; and
- various display settings.