Ultra Plunge Contrast Therapy2.0.12 - App Store

Ultra Plunge is the ultimate Apple Watch and iPhone app for cold plunges, saunas, steam rooms, ice baths, contrast therapy, and more. Build consistency, track real progress, and get more out of every recovery session - right from your Apple Watch or iPhone

Real-Time Metrics on Your Wrist
. Live cold plunge water temperature (Apple Watch Ultra & Series 10+)
. Sauna & steam room air temperature + humidity (optional Bluetooth sensor)
. Create your own activities and routines. Perfect for combining activities, such as contrast therapy, or new adding activities
. Active & resting heart rate
. Real time Heart Rate chart and Strain indicator
. Built-in timer & stopwatch

Smarter Sessions with AI-Powered Insights
. Dashboard with charts and heat map, showing trends and progress
. AI-powered coach provides insight on progress and consistency over time
. Guided breathing with customizable breathing patterns on your watch
. Personal goals, streaks, calories, and progress tracking
. Estimated sweat loss and heat load for Sauna sessions
. Helpful tips and recovery insights to support your routine
. View and share your weekly, monthly and yearly achievements

Widgets, Sharing & Integrations
. Apple Watch widgets for live session time & progress
. Share sessions to Strava or social media
. Track long-term progress across cold, heat, and recovery sessions

Track Every Session
. Cold Plunge, Ice Bath, Polar Plunge, Cold Shower
. Sauna, Steam Room, Hot Plunge
. Contrast, Cryotherapy, Float Tank, Red Light Therapy, Hyperbaric Chamber

Free Trial & Subscription
Enjoy a 7-day free trial with full, ad-free access. After the trial, a subscription is required. Subscriptions renew automatically unless canceled at least 24 hours before the end of the billing period. You can manage or cancel your subscription anytime in your Apple Account settings.

Why Ultra Plunge?
Ultra Plunge isn’t just a tracker - it’s your personal wellness training partner. Whether your goal is resilience, circulation, mental toughness, or simply building a habit, Ultra Plunge helps you stay consistent and see real progress over time. Turn everyday routines into a powerful wellness practice. Life’s too short for lukewarm experiences.
Download Ultra Plunge today and begin transforming yourself from everyday human to wellness warrior. Because life’s too short for lukewarm experiences!

FAQ
Q: Do I need an Apple Watch?
A: Ultra Plunge is best when used on an Apple Watch, but also works on an iPhone or iPad

Q: Can Ultra Plunge measure water temperature?
A: Yes, with an Apple Watch Ultra or 10.

Q: How does Ultra Plunge measure sauna temperature and humidity?
A: With an optional Bluetooth temperature sensor, available at: https://ultraplunge.app

Q: Can I use Ultra Plunge with Strava?
A: Yes, you can automatically share sessions to Strava.

Q: Is my data secure?
A: All your data is stored in your iCloud account, not on our servers. The AI Coach uses a local model, none of your personal data is shared with an online AI service.

Q: Can I track multiple types of sessions?
A: Yes - cold, heat, and recovery sessions are all supported.

Q: Does Ultra Plunge track heart rate and calories?
A: Yes.

Q: Does Ultra Plunge estimate sweat loss?
A: Yes.

Q: Is there guided breathing included?
A: Yes, with adjustable breathing patterns on Apple Watch.

Q: Is there a free trial?
A: Yes, a 7-day free trial is included.

Q: Can I cancel my subscription anytime?
A: Yes, in your Apple Account settings.

Safety Disclaimer:
Always consult a healthcare professional before starting new wellness activities involving extreme temperatures. Avoid using your watch outside of Apple’s recommended operating temperature range. AI Coaching provides general wellness insights and motivational support - not medical advice. AI features use Apple Foundation Models and operate entirely on your device.

Privacy Policy: https://ultraplunge.app/privacy
Terms of Service: https://ultraplunge.app/terms

Version History - Fixes 2.0.12 Sep 28 - Fixes 2.0.11 Sep 20 • Interactive activity charts in the iOS app let you tap to highlight activities and explore your totals.
• Get a reminder if you forget to end a session,
• A visual routine editor makes it easier to arrange activities and rest periods on iPhone.
• iCloud sync alerts in Settings explain syncing issues on iPhone and Apple Watch. 2.0.10 Sep 15 Introducing Routines in Ultra Plunge
Combine activities, breaks, and recovery practices to create personalized routines that fit your goals
• Get started quickly with the new default Contrast Therapy routine.
• Create custom contrast therapy routines, such as a cold plunge followed by a sauna and another plunge.
• Add breaks between activities—or split a longer sauna session into multiple rounds.
• Mix in breath work, recovery, and other activities in any order you choose.
• Build, save, and repeat routines designed around the way you train and recover 2.0.9 Sep 9 UltraPlunge continues to evolve into a complete wellness and recovery tracker. Introducing Breathwork in UltraPlunge!

• You’ve long been able to add guided breathing to your sessions. Now, we’ve taken it further with a dedicated Breathwork activity featuring a library of breathing techniques and beautiful visualizers that guide each breath. Start a session on your iPhone, Apple Watch, or both together.
• Added the ability to add more time when a countdown session ends.
• Now you can see exactly how long your session has been paused. 2.0.8 Aug 11 Now you can create your own activities and customize which ones show in the main menu
• Create your own activity under Settings-> Custom Activities
• Customize the activity menu under Settings-> Customize Activity Menu 2.0.7 Jul 27 Now you can create your own activities and customize which ones show in the main menu
• Create your own activity under Settings-> Custom Activities
• Customize the activity menu under Settings-> Customize Activity Menu 2.0.6 Jul 20 • Added the ability to run sessions on your iPhone without an Apple Watch required, or mirror your Apple Watch and iPhone sessions to run at the same time
• Added session heat map to dashboard to visualize your monthly cold and heat exposure
• Added weekly and monthly reviews and notifications
• Fixed guided breathing haptics to continue to fire in the background 2.0.5 Jun 16 - Added ability to change order of the Dashboard items in the iOS app under Settings-> Dashboard
- Bug fixes 2.0.4 Apr 29 Our Biggest Update Yet!

> New AI Coach with trend summaries and per-session insights
> Watch App now stays in foreground for the entire session
> New Heart Rate Chart and Strain Indicator added to the activity screen
> Elapsed time live view appears automatically when the Watch app is in the background
> New Effort Level screen to rate your session difficulty
> Estimated sweat loss and heat load for Sauna & Steam sessions
> Stop button moved off main activity screen, swipe to end or pause
> Watch app now fully supports double tap gesture control on every screen. Perfect for when your watch screen is wet
> New option to pause activities
> Added more data to Dashboard Activity chart, along with comparisons to previous weeks
> Improved heart rate tracking
> Added red light therapy
> Multiple screen redesigns
> Export sessions to Strava
> Added watch settings to iOS app too
> New icon
> Added option to enable water lock for non-water activities
> Bug fixes 2.0.3 Apr 9 Our Biggest Update Yet!

> New AI Coach with trend summaries and per-session insights
> Watch App now stays in foreground for the entire session
> New Heart Rate Chart and Strain Indicator added to the activity screen
> Elapsed time live view appears automatically when the Watch app is in the background
> New Effort Level screen to rate your session difficulty
> Estimated sweat loss and heat load for Sauna & Steam sessions
> Stop button moved off main activity screen, swipe to end or pause
> Watch app now fully supports double tap gesture control on every screen. Perfect for when your watch screen is wet
> New option to pause activities
> Added more data to Dashboard Activity chart, along with comparisons to previous weeks
> Improved heart rate tracking
> Added red light therapy
> Multiple screen redesigns
> Export sessions to Strava
> Added watch settings to iOS app too
> New icon
> Improved syncing
> Bug fixes 2.0.2 Mar 12 Our Biggest Update Yet!

> New AI Coach with trend summaries and per-session insights
> Watch App now stays in foreground for the entire session
> New Heart Rate Chart and Strain Indicator added to the activity screen
> Elapsed time live view appears automatically when the Watch app is in the background
> New Effort Level screen to rate your session difficulty
> Estimated sweat loss and heat load for Sauna & Steam sessions
> Stop button moved off main activity screen, swipe to end or pause
> Watch app now fully supports double tap gesture control on every screen. Perfect for when your watch screen is wet
> New option to pause activities
> Added more data to Dashboard Activity chart, along with comparisons to previous weeks
> Improved heart rate tracking
> Added red light therapy
> Multiple screen redesigns
> Export sessions to Strava
> Added watch settings to iOS app too
> New icon
> Improved syncing
> Bug fixes 2.0.1 Mar 6 Our Biggest Update Yet!

> New AI Coach with trend summaries and per-session insights
> Watch App now stays in foreground for the entire session
> New Heart Rate Chart and Strain Indicator added to the activity screen
> Elapsed time live view appears automatically when the Watch app is in the background
> New Effort Level screen to rate your session difficulty
> Estimated sweat loss and heat load for Sauna & Steam sessions
> Stop button moved off main activity screen, swipe to end or pause
> Watch app now fully supports double tap gesture control on every screen. Perfect for when your watch screen is wet
> New option to pause activities
> Added more data to Dashboard Activity chart, along with comparisons to previous weeks
> Improved heart rate tracking
> Added red light therapy
> Multiple screen redesigns
> Export sessions to Strava
> Added watch settings to iOS app too
> New icon
> Improved syncing
> Bug fixes 2.0.0 Mar 2 - Added Strava integration. Post your sessions to Strava on demand, or automatically. Settings are in the WatchOS app.
- Added kg to weight setup 1.0.24 Jan 2 - Added Year In Review. See your achievements and highlights from 2025 1.0.23 12/20/2025 - Added ability to change weight from lbs to kg
- Added water temperature to Apple Health 1.0.22 11/15/2025 - The Watch Menu now orders activities by the last session type performed. The order can be changed in the settings to: Default, Last Used, Most Used
- Updated for iOS 26
- New Liquid Glass inspired icon
- Fixed Widget problem with v1.0.20 1.0.21 10/01/2025 - The Watch Menu now orders activities by the last session type performed. The order can be changed in the settings to: Default, Last Used, Most Used
- Updated for iOS 26
- New Liquid Glass inspired icon 1.0.20 09/19/2025 - Added the ability to change the temperature during a session by tapping the temperature on the activity screen.
- Improved how the default location of an activity is set based on past sessions.
- Improved AI Chat to include more up-to-date and relevant questions & answers as well as links to videos explaining the answers. 1.0.19 04/27/2025 - Added the ability to change the temperature during a session by tapping the temperature on the activity screen.
- Improved how the default location of an activity is set based on past sessions.
- Improved AI Chat to include more up-to-date and relevant questions & answers as well as links to videos explaining the answers. 1.0.18 04/11/2025 - Added the ability to change the date of the chart view in the iOS app
- Fixed glitch with the activity chart showing an extra 0 on the y-axis and the bar height not being correct in some cases
- When using the Sauna sensor, the max temperature will now be saved, which will prevent an incorrect temperature reading if the user leaves the sauna before ending the session 1.0.17 02/06/2025 - Added Cryotherapy activity type with temperature range down to -300F
- Added ability to input a custom name when editing a saved session
- Heart rate animation now pulses to the real heart rate
- Increased timer range of Hyperbaric session 1.0.16 01/22/2025 - Added Cryotherapy activity type with temperature range down to -300F
- Added ability to input a custom name when editing a saved session
- Heart rate animation now pulses to the real heart rate
- Increased timer range of Hyperbaric session 1.0.15 01/20/2025 - Added Cryotherapy activity type with temperature range down to -300F
- Added ability to input a custom name when editing a saved session
- Heart rate animation now pulses to the real heart rate
- Increased timer range of Hyperbaric session 1.0.14 01/16/2025 iOS App:
- Added heart rate by day chart to Home Screen
- Added heart rate by session chart to individual session detail screen
- Added the ability to edit sessions

Watch App:
- Fixed issue causing calories burned to be stored improperly in Apple's Health App 1.0.13 01/07/2025