Kokyu: Diver Companion
Kokyu: Diver Companion Summary
Kokyu: Diver Companion is a mobile iOS app in Health And Fitness by Sung Jie Hung. Released in Aug 2025 (6 months ago). It has 5.00 ratings with a 5.00★ (excellent) average. Based on AppGoblin estimates, it reaches roughly 29 monthly active users . Store metadata: updated Feb 3, 2026.
Store info: Last updated on App Store on Feb 3, 2026 .
5★
Ratings: 5.00
Screenshots
App Description
Kokyu is an apnea and breath-hold training app for freediving, spearfishing, surf survival, and CO₂/O₂ table practice. Build lung capacity, improve breath-hold control, and progress with guided CO₂ and O₂ sessions tailored to your level.
Train with guided CO₂ and O₂ tables, track your progress, and develop the calm and control needed for longer, more efficient breath-holds.
Key Features:
• Guided CO₂ and O₂ table sessions
• Customizable breath-hold routines
• Audio and haptic cues for hands-free training
• Progress tracking and streaks
• Designed for freedivers, surfers, athletes, and beginners
Support:
• Privacy Policy: https://docs.kubicle.studio/kokyu-privacy
• Terms and Conditions: https://docs.kubicle.studio/kokyu-terms
• EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula
Acknowledgment:
• Circle Water Splash by Vecteezy.com