Works offline · No account needed · Free to try

Fly without fear

Zephyr is your offline AI companion that helps you stay calm during flights — from takeoff jitters to turbulence and everything in between. Fully private and fully offline — your data never leaves your phone.

Download on the App Store See how it works ↓
Everything you need

Your calm starts here

Calm
Mode
Guided breathing and grounding techniques to reduce anxiety in real time. Step by step, your nervous system returns to baseline.
Calm Mode
Turbulence
Support
Understand what's happening during turbulence and feel safe with real explanations — not platitudes. Knowledge calms.
Turbulence Support
Private
& Safe
Your conversations stay on your device. No data leaves your phone, ever. This is our principle: we never store personal data — because privacy should belong entirely to you, not us. You stay in full control, always.
Private & Safe
AI
Companion
Talk to a calm, supportive assistant whenever anxiety rises — like a friend who truly gets it. Always present, never judgmental.
AI Companion
Fully
Offline
No internet required. Works anywhere, including mid-flight at 35,000 feet. Download once, fly calm forever.
Fully Offline
Real experiences from the air

What it feels like
to fly calm

★★★★★

"I usually panic the moment turbulence starts. This time I opened Zephyr and followed the steps — within minutes, I actually felt my body calm down. First flight I didn't grip the seat the whole time."

Anna K. — Frequent flyer
★★★★★

"Takeoff is always the worst for me. Heart racing, overthinking everything. Zephyr walked me through it step by step — it felt like someone steady was right there with me."

Michael R. — Business traveler
★★★★★

"I had a panic spike mid-flight and no internet, which usually makes it worse. Zephyr worked instantly in airplane mode. The breathing and grounding actually pulled me out of it."

Sofia L. — Solo traveler
★★★★★

"I used to avoid overnight flights because anxiety builds up when I can't distract myself. With Zephyr, I stayed calm enough to relax — even managed to sleep."

Daniel M. — Long-haul traveler
Pricing

Simple plans,
priced to fly

Try Zephyr for a single flight, an entire vacation, or every trip you'll ever take. No ads, no account required.

Single trip

Flight Pass

One round-trip of calm. Perfect for that one nervous flight.

$9.99
One-time payment
Get Flight Pass
Vacation

7-day Pass

Cover your whole trip — outbound, layovers, and return.

$12.99
$1.86 per day
Get 7-day Pass
Most popular
Frequent flyer

Monthly

Always ready, whenever the next trip comes up. Cancel anytime.

$19.99/mo
Billed monthly
Start monthly
Best value

Yearly

For travelers who fly often. Save 59% versus monthly.

$99/yr
Just $8.25 per month
Start yearly

All plans include offline mode, no ads, and full access to every Zephyr feature. Prices shown in USD.

Questions

Everything you
need to know

Ready to fly calm?

Download Zephyr for free and feel the difference on your next flight.

Download on the App Store

No account, no internet, no worries.