ThermoTimer
Sauna & Cold Plunge Timer
The perfect companion for your thermal therapy sessions. Guided protocols for sauna and cold plunge with phase timing, session tracking, and Apple Watch support.
$2.99
Sauna & Cold Plunge Timer
The perfect companion for your thermal therapy sessions. Guided protocols for sauna and cold plunge with phase timing, session tracking, and Apple Watch support.
$2.99
Heat exposure for relaxation and recovery
Cold immersion for alertness and resilience
Recovery time between phases
Gentle introduction to thermal therapy
Short cold, longer sauna exposure
Traditional long sauna sessions
Balanced hot and cold exposure
Short session for busy days
Emphasis on cold exposure
Control your sessions directly from your wrist. Perfect for when your phone is in a locker.
Track all your sessions with detailed stats. See time spent in hot and cold phases.
Build consistency with streak tracking. Stay motivated with your progress.
Sauna Glow for warm ambiance, Dark Minimal for OLED, Light Clean for outdoors.
Low brightness mode keeps the timer visible in dark sauna environments.
Customizable alerts for phase transitions. Never miss a change.
Create your own therapy sequences with custom durations and phases.
Share your session history. Track your thermal therapy journey.
No accounts, no ads, no subscriptions. Works everywhere.
iOS 17.0+
iPadOS 17.0+
watchOS 11.0+
Cooking timers + meat thermometer
USDA-recommended internal temperatures are built in: poultry 165°F, ground meat 160°F, beef/lamb steaks 145°F + 3-min rest, pork 145°F + 3-min rest, fish 145°F. ThermoTimer's preset timers count up to those targets.
Not yet. Current version is a manual entry + reference + cooking timer combo. Bluetooth probe support is roadmapped for a Pro update.
Check Settings → Notifications → ThermoTimer → Allow. The alarm uses a local notification scheduled for the timer's end. iOS Focus mode may suppress the visible alert but the sound still plays.
ThermoTimer follows your iOS region by default. Override per-recipe in the recipe detail view.
Download ThermoTimer for just $2.99. No subscriptions, no ads.