Interactive Tools
Free Freediving Tools
Train your breath hold, discover your potential depth, explore dive sites, and fix your equalization. All free, no sign-up required.
Breath Hold Trainer
Train your breath hold with guided O2 and CO2 apnea tables. Track your progress over time.
How Deep Can You Go?
Take our fun quiz to discover your freediving potential and find the perfect course.
Dive Site Explorer
Explore the best freediving sites in the Gulf of Thailand with seasonal marine life guides.
Equalization Guide
Struggling to equalize? Our diagnostic tool identifies your issue and gives you exercises to fix it.
Ready to Dive for Real?
These tools are a great start. When you are ready to go deeper, join a freediving course with maximum 3 students per instructor.
View CoursesFrom Tool To Course
Want to put this into the water?
The tools train the technique. The 3-day Beginner Course gets you to 20 meters at Sail Rock.
Max 3 students. Emergency O2 on every boat. Apnea Total certified.