Track cold plunges, sauna, breathwork, and recovery from your Apple Watch—with live water temperature on supported models, progress insights, and a personal AI coach.
Track cold plunges, saunas, ice baths, steam rooms, and recovery sessions directly from your Apple Watch or iPhone.
Build consistency, monitor your response, and understand your progress with live metrics, guided breathing, goals, streaks, and long-term insights.
Real-Time Metrics on Your Apple Watch
• Track realtime cold-plunge water temperature with Apple Watch Ultra or Series 10
• Sauna & steam room air temperature + humidity with optional Bluetooth sensor
• Monitor active and resting heart rate
• View real-time heart-rate charts and strain
• Track session duration with the built-in timer and stopwatch
• Apple Watch widgets for live session time & progress
• Share sessions to Strava or social media
See Progress Over Time
Use the dashboard to understand your routine with:
• AI-powered coach provides insight on progress and consistency over time
• Charts and heat maps
• Personal goals and streaks
• Calories and heart-rate trends
• Session history across cold, heat, and recovery
• Estimated sweat loss and heat load for Sauna sessions
• Recovery tips and wellness insights
Track Your Recovery Routine
Log sessions including:
• Cold Plunge, Ice Bath, Polar Plunge, Cold Shower
• Sauna, Steam Room, Hot Plunge
• Cryotherapy, Float Tank, Red Light Therapy, Hyperbaric Chamber, Breathwork
Breathwork
• Add guided breathing to any cold, heat, or recovery activity, choosing from a library of breathing patterns
• Start a dedicated breathwork session for a more immersive experience with advanced guided animations
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: Yes. Ultra Plunge is built for Apple Watch.
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 guided breathing included?
A: Yes. Add adjustable breathing guidance to any activity on Apple Watch or iPhone, or start a dedicated breathwork session with advanced guided animations.
Q: Is there a free trial?
A: Yes, a 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 on your device.
Privacy Policy: https://ultraplunge.app/privacy
Terms of Service: https://ultraplunge.app/terms
Ratings & Reviews
This app has not received enough ratings or reviews to display an overview.
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.
Version 2.0.8
The developer, R.P.A. Tech, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Privacy practices may vary based, for example, on the features you use or your age. Learn More
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
Provider
RPA Tech, INC
Size
56.7 MB
Category
Health & Fitness
Compatibility
Requires iOS 17.0 or later.
iPhone Requires iOS 17.0 or later.
iPad Requires iPadOS 17.0 or later.
Mac Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
