CPR is about 5% effective: https://healthcare.utah.edu/the-scope/shows.php?shows=0_wz98zi6n https://healthcare.utah.edu/the-scope/shows.php?shows=0_wz98... Fu

CPR is about 5% effective: https://healthcare.utah.edu/the-scope/shows.php?shows=0_wz98zi6n https://healthcare.utah.edu/the-scope/shows.php?shows=0_wz98... Furthermore "AED and CPR Are Equally Helpful for Sudden Cardiac Arrest in the Home": https://www.nih.gov/news-events/news-releases/automated-external-defibrillators-cpr-are-equally-helpful-sudden-cardiac-arrest-home https://www.nih.gov/news-events/news-releases/automated-exte... So this app is not likely worthwhile. And the article quotes no statistics that indicate the app is worthwhile.