meiso — Meditation Timer with HRV
Visualize your meditation depth with HRV. Free, no ads.
What is meiso — Meditation Timer with HRV?
meiso is the world's simplest meditation timer that quantifies your practice with HRV (heart rate variability) analysis. • HRV-based meditation skill leveling (FFT, LF/HF) • External BLE heart-rate sensor support (Polar H10) • Real-time heart-rate waveform during sessions • Apple Watch app + Apple Health (Mindful Minutes) • Countdown / count-up timer with bell sound • 5 languages (EN / JA / ES / KO / ZH) • 100% free, no ads, no subscription, no account
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