ThermoTimer

Take Control of Your Hot & Cold Therapy

ThermoTimer is the ultimate timing companion for sauna lovers, cold-plunge enthusiasts, and anyone practicing contrast therapy. Whether you’re just getting started or following advanced protocols like the Wim Hof method, ThermoTimer keeps every session precise, safe, and effortless.

6 Guided Therapy Protocols

Choose from expertly designed routines—perfect for recovery, wellness, stress reduction, and building resilience:

Beginner – A gentle intro to heat & cold therapy

Wim Hof Method – Short cold cycles with extended heat recovery

Finnish Sauna – Classic Nordic-style timing

Contrast Therapy – Switch smoothly between hot and cold

Quick Recovery – A fast routine for busy days

Cold Focused – Ideal for ice bath and cold plunge training

Each protocol includes clear phase transitions, visual cues, and optional audio alerts.

Built for Real Sauna Conditions

ThermoTimer is designed to perform flawlessly in hot, humid, or low-light environments:

Large, high-contrast timer visible through steam

Dim mode to keep screens discreet in dark saunas

Tap-friendly controls — no tiny buttons

Live Activities keeps your timer on the Lock Screen

Works 100% offline for remote cabins or spa settings

Apple Watch Integration

Leave your phone outside the heat. Start, pause, skip phases, and view progress directly from your wrist. Perfect for saunas, cold tubs, and recovery sessions.

Track Your Progress

Stay consistent and see your improvement over time:

Full session history

Time spent in hot & cold phases

Streak tracking

Session export for coaches or wellness logs

Three Beautiful Themes

Match your environment and personal style:

Sauna Glow – Warm amber hues

Dark Minimal – Clean, OLED-friendly black

Light Clean – High contrast for outdoor cold plunging

Clear Audio & Haptic Alerts

Never miss a phase transition again. Choose from subtle countdown beeps, phase-complete sounds, or gentle haptics.

No Account. No Ads. No Subscriptions.

Just a powerful, beautifully designed thermal therapy timer—always ready when you are.

Perfect For

Sauna users & cold plunge fans

Contrast therapy routines

Recovery athletes

Breathwork & resilience training

Wellness spas & at-home sauna setups

Wim Hof method practitioners

Transform your heat & cold routine with precision.