Meditation · Breath · Sleep
Exhale the day. Inhale calm.
Serenity is a pocket sanctuary — guided breathing, sleep stories, and soundscapes that help you unwind in the time it takes to make tea.
Free plan forever · No account required · Works offline
What do you need right now?
- Calm down fastOne minute of box breathing, for the moment before a meeting or an exam.
- Wind down for bedFive minutes of 4-7-8 breathing to slow everything down.
- Can't sleepRain and a low fire that fade out on their own after 45 minutes.
- Check inTen seconds to note how you feel, and see how your week is going.
Features
Everything soft, nothing loud.
Four quiet tools that turn stray minutes into recovery.
Guided sessions
From 3-minute resets to 30-minute deep practice, led by calm, unhurried voices.
Sleep stories
Slow-told tales and low-lit soundtracks that walk your mind to the edge of sleep.
Soundscapes
Rain on leaves, distant surf, a cabin fire — layered ambient audio you can mix yourself.
Try it belowMood tracking
A ten-second daily check-in that turns feelings into gentle, readable trends.
Try it below
Private by design
Yours, and only yours.
Serenity has no accounts, no servers and no tracking. Everything you save stays in this browser, on this device.
Stays on this device
Check-ins, breathing minutes and settings live in your browser's local storage, under the “serenity” prefix.
No account, no tracking
No sign-up, no analytics, no ads, no cookies. Even the fonts are served from this site.
Take it with you, or delete it
Download a backup, restore it on another device, or erase everything in one go.
0 check-ins and 0 minutes of breathing saved on this device.
Why it works
Small breaths, big shifts.
78%
of members fall asleep faster within two weeks
12 min
average evening wind-down
2M+
mindful sessions completed
4.8★
average rating across app stores
Illustrative figures for a portfolio concept.
Kind words
Quiet words from loud lives.
The 4-7-8 exercise is the only thing that switches my brain off after a night shift.
Maya R.ER nurseI keep Serenity open in a tab. Two rounds of box breathing between meetings and I'm human again.
Daniel O.Product managerThe sleep stories put my toddler down — and honestly, me too.
Priya S.New parent
Illustrative quotes for a portfolio concept.
Pricing
Calm shouldn't cost your calm.
Start free. Stay free forever, or go deeper with Premium.
Free
The essentials, always free.
$0forever
- All 3 breathing techniques
- 7 guided sessions
- 3 soundscapes
- Daily mood check-ins
- Most loved
Premium
The full sanctuary.
$6.99/month
or $59.99 billed yearly
- Everything in Free
- 200+ guided sessions
- Full sleep story library
- Soundscape mixer & offline listening
- Mood insights and trends
A portfolio concept: there's nothing to buy, and every tool on this page is free.
Softer nights are one download away.
Put Serenity on your home screen. It's free, opens in a second and works without internet.
Use your browser's menu and choose “Install” or “Add to Home Screen”.
There's no store app: Serenity is a portfolio concept. The web app above is the real thing, and it installs like one.