Rewritten using the latest Apple technologies. Keeps the same accuracy and while bringing the app into the future with new settings.

Includes a new CPR Timer metronome to help perform CPR compressions at the correct rate.

Fixes issues some users were having with audio no working.

This update from Apple will improve the functionality of this app. No new features are included.

Updated as a universal app for iOS 7 & 8 with support for all iOS devices including iPad and the latest iPhone 6 and 6+.

Updated iPhone 4 graphics and iOS 4 features.