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Now available on Android

Master Your
Breath Hold

CO2, O2, and Progressive tables tailored to you. Training load analysis tells you when to push harder or ease off.

Get it on Google Play View Features
14-Day Free Trial No Subscription

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Everything You Need to Progress

Whether you're just starting out or chasing a new personal best, Aegean adapts to where you are.

Auto-Generated Tables

CO2, O2, Progressive, and Custom tables — auto-generated from your max hold. Pick a difficulty preset or build your own.

Training Load & Smart Suggestions

Color-coded badges show your training load per table. The app analyzes your completion rate and effort to tell you when to push harder or ease off.

Bluetooth Heart Rate

Connect your HR monitor to see exactly how your body reacts to low oxygen. Visualize your dive reflex in real-time.

Eyes-Free Training

Voice cues, beeps, and vibration — fully configurable so you can train eyes-closed. No need to look at your screen.

Contraction Tracking

Log when your contractions start. Analyze your tolerance phase and learn to get comfortable with the uncomfortable.

Offline & Private

Your data stays on your device. No accounts, no cloud sync, no internet required. Export and import backups anytime.

Start Training in Minutes

One breath-hold test. That's all the app needs to build your entire training program.

Step 1

Record Your Max Hold

One best-effort breath hold. The app uses this to generate every table at the right intensity for you.

Step 2

Pick a Table

CO2 for tolerance, O2 for adaptation, Progressive for a structured 20-level program. Or build your own.

Step 3

Close Your Eyes & Train

Voice cues and haptics guide you through every breathe and hold phase. No screen needed.

CO2 Tolerance Table
8 rounds · ~18 min
Breathe Hold
1
2:30 breathe
1:30 hold
2
2:15 breathe
1:30 hold
3
2:00 breathe
1:30 hold
4
1:45 breathe
1:30 hold
5
1:30 breathe
1:30 hold
Hold stays constant, rest gets shorter each round — building your CO2 tolerance

See It In Action

Simple, dark interface designed for focus and relaxation.

Simple, Fair Pricing

One purchase, lifetime access. No subscriptions, no recurring fees.

Aegean Breath

€9.99

before local taxes

One-Time Purchase

Pay once, own it forever.

  • 14-Day Free Trial
  • Lifetime Updates
  • Offline & Private
  • No Subscription Required

Blog

Tips, techniques, and insights for breath-hold training.

A freediver surrendering into calm, deep blue water
Psychology

The Psychology of Apnea: Overcoming the Panic Response

Your body can hold its breath far longer than your mind will allow. Here is the neuroscience of the false suffocation alarm and how to override it.

14 min read
A freediver gliding underwater in a deep blue pool
Nutrition

Fueling for the Deep: What to Eat (and Avoid) Before a Freediving Session

In freediving, digestion is the enemy of performance. Here is the science-backed guide to pre-dive nutrition that will actually extend your bottom time.

15 min read
A freediver training underwater
Training

Why Tracking Your Contractions is the Key to Longer Breath Holds

90% of divers only track total hold time. The metric that actually matters is your time to first contraction — here's why it changes everything.

10 min read
A freediver gliding underwater
Opinion

Subscription Fatigue: Why We Built a One-Time Purchase Freediving App

Freediving is about simplicity and disconnecting. Paying a monthly subscription for a digital timer felt completely backwards to the spirit of the sport.

5 min read
A diver illuminated underwater
Training

What Are Diaphragm Contractions? (And How to Delay Them Safely)

That involuntary spasm is a diaphragm contraction. Here is the secret: when that first contraction hits, you aren't actually running out of oxygen.

7 min read
A diver diving into deep blue seawater
Science

Why Tracking Your Heart Rate is the Secret to Longer Breath Holds

Your brain is a liar, but your heart rate never lies. If you want to increase your bottom time, start paying attention to your heart.

8 min read
Ice formation on a body of water
Guide

How to Trigger the Mammalian Dive Reflex From Your Living Room

You have the same evolutionary hardware as a dolphin. Here is how to activate your built-in dive reflex using a bowl of ice water.

7 min read
Calm rippling blue sea water surface
Science

Overtraining in Freediving: Why Custom Apnea Tables Matter

Sometimes, the harder you train, the worse your breath-hold gets. Generic tables are a sledgehammer when you need a scalpel.

9 min read

Safety Warning

NEVER practice breath holding in water, while driving, or standing up. Always train dry, lying down on a soft surface like a bed or sofa. Blackouts can happen without warning. Train safe.

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