Spearo Apnea Trainer

Content rating
Everyone
50+
Downloads
Content rating
Everyone
Learn more
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image

About this app

Spearo Apnea is a Wear OS breath-hold training app designed for freedivers, spearfishers, and anyone wanting to improve their apnea abilities.

FEATURES
• 13+ training tables including CO2, O2, Pyramid, Square Breathing, and more
• Personalized tables based on your baseline breath-hold test
• Real-time heart rate and SpO2 monitoring
• Progress tracking with XP and levels
• Training history and statistics
• Haptic feedback during sessions
• Works standalone on your watch

TRAINING TABLES
• CO2 Classic - Build CO2 tolerance with decreasing rest
• CO2 Progressive - Gentle introduction for beginners
• O2 Classic - Hypoxic training with increasing holds
• Square Breathing - Box breathing for relaxation
• Pranayama - Yoga breathing exercises
• Pyramid - Intensity up then back down
• No-Contraction - End holds before discomfort
• Wonka Table - Intense CO2 with minimal rest
• One-Breath Table - Single breath recovery
• FRC Training - Functional residual capacity (Pro)
• Lung Stretching - Improve lung flexibility (Pro)
• Endurance Builder - Long holds with full recovery (Pro)
• Max Attempt - Guided single maximum hold (Pro)

HOW IT WORKS
1. Complete a baseline breath-hold test
2. App personalizes all tables to your ability
3. Choose a training table
4. Follow the guided hold and breathe phases
5. Track your progress over time

PERFECT FOR
• Freedivers
• Spearfishers
• Competitive swimmers
• Surfers
• Breath-hold enthusiasts
• Anyone wanting to improve lung capacity

SAFETY
• SpO2 monitoring with customizable warning thresholds
• Designed for dry training (out of water)
• O2 tables clearly marked for experienced users only

Download now and start your breath-hold journey!
Updated on
Feb 26, 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
This app may collect these data types
Health and fitness and App activity
Data is encrypted in transit
You can request that data be deleted

What’s new

Show display name instead of email in account settings for improved privacy
Fixed PRO status not syncing reliably from phone to watch
PRO training tables now unlock automatically when subscription is active
Firestore sync auto-resumes on app restart — no need to re-sign in
Custom training tables from the phone app now sync to the watch
Added runtime security validation for OAuth configuration