Tetra – Box Breathing

Box Breathing helps you slow down, focus, and reset—guided entirely by gentle haptic cues. Features • Adjustable rhythm (3–6 seconds per phase) • Subtle haptic feedback for inhale, hold, exhale, hold • Minimal, distraction-free design inspired by calm technology • Works in Silent Mode — feel the rhythm without sound • One-tap start for quick breathing sessions anytime Why it matters Box breathing is a proven technique used by athletes, pilots, and mindfulness practitioners to lower stress and sharpen focus. A few calm cycles can reset your nervous system and improve clarity. One-time purchase. No sign-ups. No noise. Just breathe.