Air

you're soaking in it

The original, unbranded, infinitely available substance that has kept everything alive for the last three and a half billion years.

scroll to inhale ↓

The whole premise

You have never spent a single waking or sleeping second of your life without it.

What it is

A thin, invisible ocean you live at the bottom of.

Air is the mixture of gases held to the planet by gravity. It has no color, no taste, no smell, and no shape of its own — it simply takes the shape of wherever it happens to be, including, right now, the inside of you.

Weighs almost nothing

And yet the whole atmosphere together masses roughly 5.15 quintillion kilograms — about a million times the weight of every human alive.

Presses on you constantly

About 10 tonnes of it rests on your shoulders at sea level (101.325 kPa). You don't notice, because you are pleasingly full of the same pressure.

~

Carries sound & weather

Sound travels through it at 343 m/s. So does every storm, breeze, whisper, and the smell of rain. None of it works in a vacuum.

The recipe, unchanged for ages

By volume, dry air is mostly nitrogen you'll never use.

78.09%
Nitrogenthe silent majority
20.95%
Oxygenthe part you're here for
0.93%
Argonnoble, does nothing
0.04%
CO₂ & tracethe seasoning

A short history of breathing

It took a long time to get this good.

~4.5 billion BC

Atmosphere v1.0 ships

Mostly hydrogen and helium, promptly blown away by the young Sun. Unbreathable. Zero stars.

~4.0 billion BC

Volcanic re-release

Outgassing fills the sky with CO₂, nitrogen, and water vapor. Still no oxygen to speak of. Do not inhale.

~2.4 billion BC

The Great Oxygenation Event

Cyanobacteria begin exhaling oxygen as waste. It poisons nearly everything alive. Best mistake ever made.

~400 million BC

Oxygen peaks at ~35%

The air gets so rich that insects grow to terrifying sizes. Dragonflies the size of seagulls. A simpler time.

Today

Stable release, 20.95% O₂

The current long-term-support version. Tuned over eons for the lungs you happen to own. No update required.

One breath in. One breath out. Repeat about 22,000 times today, without being asked.

How to use

Getting started takes no setup whatsoever.

There is no onboarding, no account, and no tutorial. You completed the integration at birth. Still, for completeness:

1

Inhale

Allow your diaphragm to drop. Roughly half a liter of fresh air enters at no charge. Oxygen crosses into your blood within a fraction of a second.

2

Hold (optional)

Pause briefly while your body extracts what it needs and quietly returns a little carbon dioxide. This step is automatic and requires no attention.

3

Exhale

Release. The used air rejoins the atmosphere, where plants and oceans will recondition it for the next person. Then begin again.

~20,000
breaths you'll take today
11,000 L
of air, daily, per person
100 km
to the edge of the sky
$0.00
lifetime cost, all inclusive

What people are saying

Reviews are unanimous.

"I've used it continuously since the moment I was born. Frankly I can't picture my life without it."

EveryoneVerified human

"Lightweight, transparent, and it just works. No bloat. Ten out of ten, would inhale again."

A. LungsLong-term subscriber

"It held up my entire migration across two continents. Without it I'd have simply fallen out of the sky."

A GooseFrequent flyer

Frequently asked

Questions, answered with air.

Is it really free?+

Yes. Air has never charged a subscription fee, and there is no premium oxygen tier. At very high altitude the air thins out, but this is a property of physics, not a paywall.

Does it work indoors?+

Air works in nearly all locations — indoors, outdoors, underground, and in submarines, provided someone brought a supply along. The only places it doesn't reach are deep water, deep space, and certain meetings.

What's the difference between air and oxygen?+

Oxygen is one ingredient; air is the finished blend. Breathing pure oxygen for too long is actually harmful. The other 79% — mostly nitrogen — is doing quiet, essential work keeping the mixture safe.

Can I run out?+

Not personally, under normal conditions — the atmosphere self-circulates and replenishes. Plants, forests, and ocean phytoplankton produce a fresh supply continuously. Please return each breath when finished.

Who makes it?+

Primarily photosynthesizing organisms: trees, grasses, algae, and microscopic plankton. Roughly half of the oxygen you breathe was made in the ocean. None of them invoice you.

Begin

You're already a member.
Take a deep breath to confirm.

Inhale to continue

No card required · No download · Already installed in your chest