RBC Ministries is most famous for its popular devotional booklet, "Our Daily Bread." "Our Daily Bread" now appears online as well as in print format. In 2015, RBC Ministries changed its name to Our Daily Bread Ministries.
The RBC Ministries organization began as a radio ministry, the Detroit Bible Class, in 1938, led by Dr. M.R. DeHaan. Later called Radio Bible Class, the broadcast had reached 600 radio stations around the world by 1965. The ministry first published its devotional booklet, "Our Daily Bread," in 1956. By 2015, the devotional was available in more than 50 languages and had over 30 million editions distributed around the world. The ministry grew with technology, and has a Facebook page with over one million fans. It offers a mobile app for its devotional and other features.
Readers of the "Our Daily Bread" devotional can view it online or download it as an audio file. The website, ODB.org, also offers topical excerpts and devotional thoughts from Oswald Chambers' classic book, "My Utmost for His Highest." There are additional devotionals and articles arranged topically, covering items such as God, evangelism, parenting, finances and prayer. The site also hosts personal testimonials about how faith in God has changed the lives of various individual people.