Chest Compression Fraction CCF App Reviews

I have my students download this app when doing the multiple rescuer CPR in my BLS Classes. One student is compressing, the other rescue breathing, the other AED use and one controlling the CCF App. The person with the app is keeping track of compressions. There is even a notes feature that allows you to keep track of shocks given. You can then after the code share with a friend or just take a screenshot for debriefing. For ACLS this is great because you can have an extra roll for someone keepin