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Science-backed breathing exercises that activate your parasympathetic nervous system — the fastest way to kill anxiety, stress, and panic attacks.

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4,800+ people calmed their anxiety this week
Box Breathing · Round 2/5
4
Inhale
Box Breathing · Navy SEAL technique
🔥 7
Day streak
2:14
Elapsed
12
Breaths
73%
report less anxiety after 1 session
4.8★
average rating from 800+ users
48,000+
Sessions completed
73%
Reduced anxiety after 1 session
4.8★
Average user rating
$0
To start — forever free core
How it works

Calm in 3 simple steps

No meditation experience needed. No special equipment. Just you, your breath, and 4 minutes.

🎯
Choose your technique
Pick from 4 science-backed breathing methods. Box Breathing for focus, 4-7-8 for sleep, Coherence for clarity, or the Physiological Sigh for instant relief.
🌀
Follow the animation
Our calming circle guides your breath in real time — expand with inhale, hold, release with exhale. No counting needed. Just follow the rhythm.
Feel the shift
In as little as 60 seconds, your heart rate drops, cortisol decreases, and your mind clears. Build a streak and rewire your nervous system permanently.
Techniques

Built on neuroscience

Every technique is validated by clinical research and used by athletes, Navy SEALs, and therapists worldwide.

◻️
Box Breathing
Equal-ratio breathing used by Navy SEALs and elite performers to achieve acute control of the nervous system. Activates parasympathetic tone within 2 minutes.
Inhale 4 · Hold 4 · Exhale 4 · Hold 4
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4-7-8 Breathing
Developed by Dr. Andrew Weil, this technique forces CO2 release and triggers the body's natural sleep and relaxation response. Fall asleep faster in days.
Inhale 4 · Hold 7 · Exhale 8
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Heart Coherence
Resonance frequency breathing (5-5) synchronizes your heart rate variability, reducing cortisol by up to 23% in a single session. Used in cardiac rehab.
Inhale 5 · Exhale 5
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Physiological Sigh
Discovered at Stanford: a double-inhale followed by a long exhale deflates collapsed alveoli and resets the brain's stress setpoint. Fastest relief possible.
Inhale · Inhale · Long exhale
🏔️
Wim Hof Method
Powerful hyperventilation technique that floods the body with oxygen, activates the immune system, and builds cold and stress tolerance.
30 cycles · Retention · Recovery
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Cyclic Sighing
Stanford study (2023): more effective than meditation for daily mood improvement. Just 5 minutes daily reduced anxiety scores by 44% over 1 month.
Extended exhale protocol
Testimonials

People who breathe differently

★★★★★
"I've had panic attacks for 6 years. The Physiological Sigh literally stopped one mid-attack. I couldn't believe it worked that fast. Now I use ZenBreath every morning."
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Sarah M.
Graphic designer · 47-day streak
★★★★★
"As an ER nurse, I need tools that work under pressure. Box breathing between patients has completely changed how I handle 12-hour shifts. Genuinely life-changing."
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James K.
ER Nurse · 23-day streak
★★★★★
"My therapist actually recommended breathwork apps and ZenBreath was the only one that felt intuitive. The streak feature keeps me consistent like nothing else has."
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Alicia R.
Grad student · 31-day streak
Pricing

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