Description
Turn your fēnix, epix, Enduro, Descent, Instinct or MARQ into a sauna and cold plunge timer.
Free, and no account needed.
SEE YOUR SESSION IN GARMIN CONNECT
• Temperature graph, just like heart rate
• Average, max and min temperature in the summary
• Sauna rounds, cold rounds, and total time in each phase
• Per round: phase (SAUNA / COLD / PAUSE), average temperature, and heart rate recovery 60 seconds into each cold plunge
FEATURES
• Start with Sauna first, Cold first or a preset template
• 3 preset templates: Sauna Session, Cold First, Contrast
• PAUSE phase between hot and cold, for the walk to the pool or sauna
• 3-2-1 countdown before the session starts
• Touch guard: steam and water drops can't stop your session by accident. Press twice to stop (can be turned off in Settings)
• Heart rate with 5 color-coded zones
• Ambient temperature in Celsius or Fahrenheit
• Flame icon for sauna, snowflake for cold
• Choose what the three data fields show
• Dim screen option
• Save sessions as Other, Cardio or Health
• Vibration and tone at phase changes
COMPATIBLE GARMIN DEVICES
fēnix 6/7/8/9 and fēnix E, epix 2 and Pro, Enduro and Enduro 3, Descent Mk2/Mk3/G2, Instinct 3 AMOLED and Instinct Crossover AMOLED, MARQ Gen 1 and Gen 2, D2 Mach, Forerunner 70.
Note: high heat can damage your watch. Using the app in the sauna is at your own risk, so check your watch's temperature rating.
Want more? SaunaPro adds themes, session history, records and safety alarms.
If you like the app, you can leave a tip at buymeacoffee.com/danholmstad
Sauna sends anonymous usage stats (watch model, app version, a random number for this app on your watch, session type and duration) to help improve the app. No name, location or health data. You can turn it off in the app's settings in Garmin Connect. Privacy: api.offoverdrive.com/privacy
What is new
• Small improvements to anonymous usage stats
Screenshots
Supported language (1)
Compatible devices (94)
D2™ Mach 1
D2™ Mach 1 Pro
D2™ Mach 2
D2™ Mach 2 Pro
Descent™ G2
Descent™ MK2
Descent™ MK2
Descent™ Mk2S
Descent™ Mk2S
Descent™ MK3 - 43mm
Descent™ MK3i - 51mm
Enduro™
Enduro™
Enduro™ 2
Enduro™ 3
Enduro™ 4
epix™ (Gen 2)
epix™ (Gen 2)
epix™ Pro (42mm)
epix™ Pro (47mm)
epix™ Pro (51mm)
fēnix® 6
fēnix® 6
fēnix® 6 Dual Power
fēnix® 6 Pro
fēnix® 6 Pro
fēnix® 6 Pro Dual Power
fēnix® 6 Pro Solar
fēnix® 6 Solar
fēnix® 6S
fēnix® 6S
fēnix® 6S Dual Power
fēnix® 6S Pro
fēnix® 6S Pro
fēnix® 6S Pro Dual Power
fēnix® 6S Pro Solar
fēnix® 6S Solar
fēnix® 6X Pro
fēnix® 6X Pro
fēnix® 7
fēnix® 7
fēnix® 7 Pro
fēnix® 7 Pro – Solar Edition (No Wi-Fi®)
fēnix® 7S
fēnix® 7S
fēnix® 7S Pro
fēnix® 7X
fēnix® 7X
fēnix® 7X Pro
fēnix® 7X Pro No Wi-Fi
fēnix® 8 AMOLED (43mm)
fēnix® 8 AMOLED (47mm/51mm)
fēnix® 8 Pro
fēnix® 8 Solar (47mm)
fēnix® 8 Solar (51mm)
fenix® 9 - 43 mm
fenix® 9 – 47 mm
fenix® 9 Pro - 43 mm
fenix® 9 Pro - 47 mm
fenix® 9 Pro - 51 mm
fenix® 9 Pro - Solar 47 mm
fenix® 9 Pro - Solar 51 mm
fēnix® E
Forerunner® 70
Forerunner® 70
Instinct® 3 – 45 mm, AMOLED
Instinct® 3 – 50 mm, AMOLED
Instinct® Crossover AMOLED
MARQ® (Gen 2)
MARQ® Adventurer (Gen 3)
MARQ® Commander (Gen 2) – Carbon Edition
MARQ™ Adventurer
MARQ™ Adventurer
MARQ™ Athlete
MARQ™ Athlete
MARQ™ Aviator
MARQ™ Aviator
MARQ™ Aviator (Gen 2)
MARQ™ Captain
MARQ™ Captain
MARQ™ Commander
MARQ™ Commander
MARQ™ Driver
MARQ™ Driver
MARQ™ Expedition
MARQ™ Expedition
MARQ™ Golfer
MARQ™ Golfer
quatix® 6
quatix® 6X
tactix® 7
tactix® 7 – AMOLED Edition
tactix® 8 – 47 mm, AMOLED
tactix® 8 – 51 mm, Solar
Recent metric trend
Rating
Reviews
Snapshot dates
2026-10-27 → 2026-10-30