Spearo Apnea is a standalone Apple Watch app for freediving and apnea training. Train with scientifically-designed breath-hold tables including CO2 Tolerance, O2 Deprivation, Square Breathing, Pranayama, Pyramid, and advanced protocols. Track your progress with real-time heart rate monitoring from HealthKit, SpO2 estimation, contraction counting, and an Apnea Score after every session. Level up through an XP system, unlock achievements, and sync your data across devices with Firebase.

What's New in Spearo Apnea

1.0.85 (89)

July 21, 2026

• Improved sign-in during onboarding — connect your Spearo account right from the watch • More reliable heart-rate tracking during breath-hold sessions • Privacy and stability improvements Train safe.