The Colonoscopy Helper is the first smartphone app that provides a comprehensive step-by-step, multi-media instructions for the bowel preparation necessary for colonoscopy. There are 13 reminders, spread over 10 days including timely reminders before and after the procedure. The app provides guidance with illustration, text, and audio directions to ensure that the colon is optimally cleansed and ready for the examination. It also reminds the user which medication(s) may need to be held or dosage adjusted, before and after the colonoscopy. The Colonoscopy Helper even alerts to important symptoms following colonoscopy that may require a prompt medical attention. The complex and often cumbersome preparation for colonoscopy is made simple and almost effortless!!!