Underwave Training

Content rating
Everyone
50+
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Content rating
Everyone
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About this app

Underwave Training is a breathwork and breath hold training app built for surfers, freedivers, swimmers, and water sports athletes.

No login. No account. No internet required. Download and train.

― BREATHING EXERCISES
Configure any breathing pattern: Inhale / Hold / Exhale / Hold. Set rounds, rest time, and let audio guide every phase. Works with screen off. Won't interrupt your music.

― TEST BREATH HOLD
Ascending counter for max holds, BOLT tests and relaxation assessments. Set preparation time, configure audio alerts at specific timestamps.

― BREATH HOLD TABLES
Build your own CO₂ tables, O₂ tables, or any custom protocol. Create, save and run structured breath hold sessions with full audio guidance.

Built for real training — not meditation apps.

100% offline · No ads · No subscriptions · No paywalls
Breathing & breath-hold training tools for water sports.
Updated on
May 27, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • No data collected
    Learn more about how developers declare collection
Content rating
Everyone
Learn more

App support

Phone number
+50685693643
About the developer
Augusto Cesar Carrara
underwave.training@gmail.com
Costa Rica