Sereze: Breathwork & HRV

Breathe Together with someone in the room, no account needed. Plus a daily visualization and a Breathing Check that measures your progress.

Calm down in a couple of minutes. Real breathing, personalized by your body. Boring stories for busy minds. No network needed, all offline.

Relief you can measure, and now share. Sereze reads your heart rate and HRV so you can see your body calm down, not just hope it does. It's private, on-device, and works even in airplane mode. And with Breathe Together, calm becomes something you do with the people around you.

Listen to boring stories when silence makes your thoughts louder, or use Apple Watch–guided breathing when your body feels stressed.

When you can't sleep, can't focus, or feel a panic spiral starting — Sereze does the breathing for you, in sessions short enough to actually use.

Tap once. Breathe. Feel steadier in minutes.

Why Sereze is different Most breathing apps play the same audio for everyone. Sereze actually reads your body.

• Tracks heart rate and HRV through Apple Watch
• Picks the session your nervous system needs right now
• Turns it into one clear Calm Score, and tracks real progress: BOLT score, breath-hold time, recovery rate
• Wakes up with you: a morning sleep review explains last night's score and suggests what to do tonight

It's the difference between a yoga video and a personal trainer.

Use it when you:

• Can't fall asleep: 4-7-8 breathing to wind down
• Feel anxious or overwhelmed: belly breathing to settle a racing mind
• Need to reset before a meeting: box breathing in about 90 seconds
• Want to recover after a workout: extended exhales to ease your heart rate down
• Want better lung capacity: daily Buteyko and breath-hold training

What's inside

• 30+ guided breathing techniques: 4-7-8, Box, Bhramari, Alternate Nostril, Buteyko, and more
• Sleep Stories and NSDR (Non-Sleep Deep Rest) sessions
• Morning Sleep Review with personalized insights, generated on-device with Apple Intelligence
• Siri shortcuts — your next session one tap or one phrase away
• Apple Watch integration: every session tracked by your heart rate
• Logs how you feel to Apple Health's State of Mind, and reads it back to tune your Calm Score
• Works offline. Syncs with Apple Health.
• No social feed. No streak guilt. No nudges before bed.

Pricing Free to download. Full access for your first 30 days — no card required. After that, choose your plan: $49.99/year (about $4.16/month) or $6.99/month. Auto-renews unless canceled. Managed through your Apple Account.

Privacy Your breath, sleep, and journal data stay on your device. Sereze runs entirely on-device — we don't collect analytics, sell anything, or track you across apps. Apple Health access is optional, stays on your device, and is never uploaded.

Terms of Use: https://sereze.ai/term_of_use.html Privacy Policy: https://sereze.ai/privacy_policy.html