New on the App Store

The fan sound you
sleep with, perfected.

Real box fan recordings. Brown noise, pink noise, white noise — with rain, thunder, and ocean overlays. No subscription. Ever.

Download Box Fan Sleep on the App Store
Free download Smaller than a photo No account needed
7
Fan Recordings
5
Nature Overlays
$0
Subscription Cost
<2MB
Audio Footprint
The Science

Why millions sleep with a fan —
even in winter

Research shows that continuous broadband noise masks disruptive sounds and helps your brain transition into deeper sleep stages. You don't need the cold air, the dust, or the electric bill. You need the sound.

🎙️

Real Fan Recordings

We recorded actual box fans in a controlled environment. Every frequency, every subtle overtone — captured in high fidelity. Not synthesized. Not generated. Real.

🔁

Seamless Loops

No audible repeat point. Our dual-player crossfade system means you'll never hear a click, pop, or sudden restart that pulls you out of sleep.

🪶

Impossibly Small

The entire app is smaller than a single photo on your phone. Other sleep apps bloat your storage at 40–80MB. Ours uses less than 2MB of audio assets.

Features

Everything you need.
Nothing you don't.

Three noise types, five nature overlays, a sleep timer, and zero friction. Built for the single purpose of helping you fall asleep.

Noise Types

Brown, Pink & White Noise

Deep & warm brown noise. Soft & balanced pink noise. Light & crisp white noise. Seven combinations to match exactly how you like to sleep.

Overlays

Nature Sound Layers

Layer rain, distant thunder, summer crickets, or deep ocean waves over your fan. Independent volume controls for each sound. Mix your perfect night.

Sleep Timer

Fade-out timer that never startles you awake

Set any duration from 15 minutes to 2 hours. Volume fades gradually to silence — no sudden cutoff. Keeps running when you lock your screen and plays in the background while you use other apps.

The Honest Comparison

Most sleep apps want your
money every month

We built Box Fan Sleep because we were tired of $50/year subscriptions for what should be a simple utility.

Typical Sleep Apps
Box Fan Sleep
Price
$50–70/year
$2.99 once
Account required
✕ Yes
✓ No
Ads
✕ Yes (free tier)
✓ Never
App size
40–80 MB
<2 MB audio
Real fan recordings
✕ Synthesized
✓ Real
Use Cases

Perfect for

Whether you're a light sleeper, a new parent, or a college student in a loud dorm — Box Fan Sleep helps you reclaim your night.

🏙️

Noisy Apartments

Mask traffic, neighbors, and city sounds with a wall of warm fan noise.

👶

Parents & Babies

Brown noise mimics womb sounds. Consistent sound that soothes without startling.

✈️

Travelers

Your "home fan" in every hotel room. Familiar sound, anywhere in the world.

🎓

Students in Dorms

Block out hallway noise, roommates, and late-night parties. Sleep through finals week.

👂

Tinnitus Relief

Fan sounds cover a wide frequency range that can help mask ringing and buzzing.

❄️

Year-Round Fan People

The fan sound without the cold air, the dust, or the electric bill. Even in January.

Questions & Answers

Frequently asked questions

What is the best box fan app for sleeping?
Box Fan Sleep: White Noise uses real high-fidelity box fan recordings — not synthesized or generated audio. It includes 7 fan sound combinations across brown noise, pink noise, and white noise, with nature overlays like rain, thunder, crickets, and ocean waves. It has a sleep timer with gradual fade-out, costs a one-time $2.99 for Pro features with no subscription, and the entire app is smaller than a single photo on your phone.
Is brown noise better than white noise for sleep?
Brown noise has deeper, lower frequencies than white noise, which many people find more soothing and less harsh for sleep. Research suggests continuous broadband noise like brown noise effectively masks disruptive sounds and helps the brain transition into deeper sleep stages. Box Fan Sleep includes all three — brown noise (deep & warm), pink noise (soft & balanced), and white noise (light & crisp) — so you can find exactly what works best for you.
What is the best white noise app with no subscription?
Box Fan Sleep is a one-time purchase with no subscription, no ads, and no account required. While most popular sleep apps charge $50 to $70 per year for ongoing access, Box Fan Sleep offers a free download with an optional $2.99 Pro upgrade that unlocks all features permanently. You pay once and own it forever.
Can brown noise help babies sleep?
Many parents use brown noise and fan sounds to help babies sleep because the deep, consistent frequencies mimic the low-frequency sounds babies heard in the womb. Box Fan Sleep lets you layer fan sounds with rain or ocean waves and set a sleep timer that fades out gradually, so the baby is never startled awake by sudden silence.
How do I block out noisy neighbors while sleeping?
A continuous broadband sound — like a box fan — is one of the most effective ways to mask disruptive noise from neighbors, traffic, or snoring. Box Fan Sleep uses real fan recordings that cover a wide frequency range, and you can layer nature sounds like rain or thunder on top for extra masking. The app keeps playing when you lock your screen and runs all night with a battery-efficient design.
Why do people sleep with a fan on even in winter?
Millions of people sleep with a fan year-round not for the air, but for the sound. The continuous broadband noise masks sudden sounds like traffic, voices, and snoring that would otherwise wake light sleepers. Box Fan Sleep gives you the perfect fan sound without the cold air, dust, or electric bill — real box fan audio captured in high fidelity, always available on your phone.

Download now.
Sleep tonight.

Free to try. $2.99 unlocks everything. No subscription, no ads, no account. Just sleep.

Download Box Fan Sleep on the App Store