CPR Beat keeps شما chest compressions at the right pace when it matters. One big button starts a loud, steady click at 100, 110 or 120 compressions per minute. Switch to 30:2 و the برنامه counts thirty compressions, warns before the last five, then paces two breaths. A countdown reminds the team to switch rescuers, و the elapsed CPR time با the start time stays on screen برای handover to paramedics. Works کاملاً آفلاین. بدون حساب کاربری, بدون تبلیغات, no analytics, no network permission, no data collected. رایگان و متن‌باز (GPL-3.0). Features • Rates 100 / 110 / 120 bpm, changeable mid-session بدون losing the beat • Compressions-only or 30:2 mode با a breath pause of 3–8 seconds • Rescuer-switch countdown: off, 1, 2, 3 or 5 minutes, با a flash و SWITCH RESCUER banner • CPR elapsed time و start time, kept after STOP • Plays through the آلارم channel, so it is heard in silent mode; optional automatic maximum volume • Three click sounds; تنظیمات remembered between launches • Dark, high-contrast screen طراحی‌شده برای gloves و daylight رابط کاربری in English و Russian: follows the phone زبان, or pick one in تنظیمات. The 100–120 compressions per minute range follows current resuscitation guidelines (AHA 2025, ERC 2025). Important: CPR Beat is a pacing aid only. It is not a medical device و does not diagnose, treat, cure or prevent any medical condition. It is not a substitute برای certified CPR training. In an emergency, cهمه‌ی local emergency number first و follow the dispatcher's instructions. Consult a healthcare professional برای medical advice. CPR Beat is an independent متن‌باز project. It is not affiliated با, sponsored by, or endorsed by the American Heart Association or the European Resuscitation Council.