Because every heart deserves a second chance.
The responder network for moments that matter most. We connect life-saving skills with critical needs in real-time.
Minutes save lives. We save minutes.
Our algorithm identifies the nearest qualified responder within seconds of a cardiac event, bridging the gap until professional services arrive.
240ms
Average Alert Latency
Optimized for high-stress environments where every millisecond counts toward a second chance.
Global Guardian Map
Visualizing our network's reach across 142 metropolitan areas worldwide.
Join 50k+ Volunteers
Whether you're a doctor, a nurse, or CPR-certified citizen, your presence in our network creates a safety net for your community.
See it happen in real time.
This is exactly what appears on a bystander's screen during a cardiac emergency.
handsforhearts monitoring active
Passive protection, always on.
Your phone sits in your pocket, completely normal. handsforhearts runs silently in the background, location shared only when an emergency is active.
No battery drain. No constant notifications. Until they matter.
Ready to be the guardian someone needs?
Secure. Instant. Lifesaving.