Breath-hold training

Breath-hold training.
Static apnea timer.

Free breath-hold training tools for freedivers — a static apnea timer with PB-calibrated CO₂ tolerance and O₂ capacity tables. From 3-minute fundamentals to 5-minute targets and beyond.

Begin trainingExplore tables
The toolkit

Four ways to train.

Each tool is a focused sanctuary. No analytics overload — just the discipline.

Foundational
CO₂ Tolerance
Decreasing recovery, fixed hold
Advanced
O₂ Capacity
Increasing hold, fixed recovery
Core
Static Timer
Monolithic breath-hold
New
Custom Tables
Configurable interval builder

Train longer.
Dive deeper.

The Freedive Ready app brings the same focus to your wrist. Coming Summer 2026.

Learn about the app