BreatheBox
Science-backed Box Breathing (4-4-4-4) and Pranayama mindfulness application designed to help you relieve stress, reset your vagus nerve, and attain deep relaxation in just 3 to 5 minutes.
Take a Mindful Breath
Rhythm: Inhale (4s) • Hold (4s) • Exhale (4s) • Hold (4s)
100% Offline-First
Operates completely standalone on your device. Zero servers required, zero latency, works on airplanes and off-grid retreats.
Zero Ads & Popups
Mindfulness should never be monetized with intrusive popups. Pure quiet focus with zero commercial distractions.
Zero Data Tracking
No user accounts, no analytics SDKs, and no tracking cookies. All your practice data belongs 100% to you.
Scientific Respiration Techniques
Engineered to stimulate the Vagus Nerve via controlled rhythmic respiration, switching your nervous system from "Fight or Flight" to "Rest and Digest".
Classic Box Breathing (4-4-4-4)
The timeless 4-phase technique popularized for acute stress resilience and razor-sharp mental focus.
Deep Calm (4-7-8)
Dr. Andrew Weil’s relaxation method: Extended exhalation naturally drops heart rate, ideal for falling asleep.
Anxiety Relief (4-4-6-2)
Extended exhale ratio activates the parasympathetic brake to soothe panic loops and tension.
Awake & Focus (4-2-4-2)
Oxygenates the brain for enhanced morning alertness, energy, and cognitive performance.
Pure Dart DSP Audio Engine & Zen Aesthetics
Fluid Squircle & 4 Zen Themes
60/120fps organic visualizer with radiant ambient aura across Midnight Zen, Solar Dawn, Bamboo Forest, and Lotus Bloom.
Pure Dart DSP Audio Engine
Medical-grade Binaural Beats (Delta, Theta, Alpha, Beta) and Sacred Soundscapes (Kathmandu Singing Bowl 432Hz, Bhutan Stream, Himalayan Breeze 528Hz, Pink/Brown Noise) with Bio-Sync dynamic modulation.
Zero-Scroll Settings & Sensory Guidance
Grouped Master-Detail Zen Settings with live status subtitles, harmonic singing bowls, subtle second ticks, and gentle haptic pulses.
Biofeedback HRV & Data Ownership
Estimate Heart Rate (BPM) & HRV via rhythmic fingertip taps. 100% offline JSON backup/restore and CSV export.
App Screenshots
