Longy: Sauna & Cold Plunge Log

The ultimate tracker for the longevity community. Optimize your sauna and cold plunge sessions with smart timers and detailed analytics.

Longy: the ultimate sauna and cold plunge tracker for the longevity community and biohacking enthusiasts, built to help you master your routine.

Longy is a professional session tracker for biohackers, athletes and recovery enthusiasts who practice deliberate heat and cold exposure. Time, log and analyze every session in a clean, intuitive interface, whether you use a Finnish sauna, infrared therapy or a freezing ice bath.

Why Longy? Consistency is the key to long-term health and cellular recovery. Longy turns your fire and ice sessions into actionable data. Local-first: your logs stay on your device, with no mandatory account or cloud sync.

Smart Dual-Mode Timer • Sauna Mode: a warm, amber interface for heat sessions • Cold Plunge Mode: a cool, ice-blue interface for cold water immersion • Keep-Awake: the screen stays on during your session • Background accuracy: tracking continues if you switch apps

Session Logging & Analytics • Temperature & intensity: log in °C or °F and rate how it felt • Personal notes on your protocol • Progress charts: session count, total duration and trends • Streak tracking to keep you motivated

Science-Backed & Safety Focused • 25+ educational cards on the benefits of cold and heat exposure • Health profiles with safety warnings based on age and conditions • Haptic & audio milestone alerts (every 5 min in sauna, 1 min in cold) so you never need to look at the screen

Longy PRO (in-app purchase) • Unlimited history • Custom timer durations • Personal records: hottest sauna, coldest plunge, longest session • JSON data export • Ad-free experience

Available in 76 languages, including full right-to-left support for Arabic, Hebrew, Farsi and Urdu.

Who is Longy for? Biohackers tracking thermal stress protocols, athletes optimizing recovery and reducing inflammation, and wellness enthusiasts improving metabolic health and sleep.

Join the longevity movement. Download Longy: Sauna & Cold Plunge Log today and build a more resilient you through the power of fire and ice.

Note: Longy is a session tracking tool and does not provide medical advice. Consult a healthcare professional before starting new heat or cold exposure routines.

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