Generated, not recorded

White noise & sleep sounds.
No loops, ever.

Every second is unique, synthesized in real time from scratch. All the precision of a dedicated hardware noise machine, in your pocket, for a fraction of the price.

Download on the App Store
Get it on Google Play

Free to try  ·  Unlock everything for $4.99  ·  Pay once, own it forever

The App

Clean enough to use
with one eye open.

Dark mode only. One tap to play. Save your favorite mixes. Set a timer that fades instead of cutting. Ask Siri or Google to start it from the other room. No onboarding, no account, no permission prompts.

Veil home screen showing sound grid

Home screen

Veil mixer showing active sound mix

Sound mixer

Veil sleep timer screen

Sleep timer

The Science of Sound

Not all noise
is equal.

Each color of noise has a different frequency character, and each one affects focus and sleep differently. A little context goes a long way toward finding what actually works for you.

White Noise
Equal energy,
every frequency.

White noise distributes equal power across all frequencies, like all colors of light blended together into white. The result is a bright, dense hiss that forms a consistent wall of sound, blocking out sudden or shifting noises before they register.

Sounds like
TV static  ·  A rushing shower  ·  An untuned radio
Best for
Blocking sharp, unpredictable sounds like voices, traffic, or a snoring partner.
Pink Noise
Balanced power,
natural character.

Pink noise reduces power as frequency goes up, matching the natural acoustic distribution of sounds in the world around us. Warmer and softer than white noise, it's the most studied color for sleep, with research linking it to deeper slow-wave sleep and improved memory consolidation.

Sounds like
Gentle rain  ·  Wind through leaves  ·  A distant waterfall
Best for
Sustained focus and deep sleep. Not sure where to start? Start here.
Brown Noise
Deep rumble,
low and powerful.

Brown noise (named after Brownian motion, not the color) concentrates energy at the lowest frequencies, producing a deep, enveloping rumble. It's the darkest and most immersive of the three. A lot of people with busy minds swear by it.

Sounds like
Rolling thunder  ·  A powerful waterfall  ·  A jet engine from far away
Best for
Quieting a busy mind. If white noise feels too sharp or bright, try this first.

Why Veil

The hardware experience.
Without the hardware price.

Dedicated hardware noise machines cost $50–80 and do one thing well: generate non-looping noise. Veil does exactly that, on a phone you already own, for $4.99 one time.

Truly infinite sound
Every sound is synthesized in real time from white noise and digital filters. There is no audio file. There is no loop boundary. You will never hear it repeat.
Precision volume
Most apps give you a coarse 10-step slider. Veil gives you analog-style continuous control so you can dial in the minimum effective masking volume. Not just "loud enough." Actually right.
Deep fan library
Fan sounds are the most-used sounds on hardware machines. Veil includes five synthesized variants: slow, medium, fast, box, and ceiling. Each one has its own tonal character, so you can find the one that actually clicks for you.
Designed for the dark
Dark mode only. Large tap targets. No onboarding. No account. Playing in under two taps from install. Usable with one eye open.
Mix, save, and recall
Layer up to three sounds with independent volume controls. When you find the combination that works, save it as a named mix. One tap to restore it next time.
Voice control
Ask Siri to play Brown Noise or stop Veil without unlocking your phone. Hey Google shortcuts on Android. Works from lock screen, earbuds, and HomePod.
Timer that fades
Set a sleep timer from 15 seconds to 8 hours. When time is up, the audio fades out gradually — no abrupt silence that jolts you awake. The way a hardware machine should have always worked.
Made yours
Customize the animated waveform visualizer style. Set your own time-of-day greeting so the app says something that feels like yours, not a generic good morning from a template.
Pay once. Own it.
No subscription. No annual renewal. No re-purchase on a new phone. Unlock everything for $4.99 and it's yours. A tool you own, not a service you rent.

How it stacks up

Hardware quality.
App store price.

Ask any user of the major white noise apps and you'll hear the same complaint: the loop restarts. Some of those apps charge $60 a year. Veil doesn't loop. Full stop.

Feature Veil Hardware Other apps
No loops, ever ✓ ✓ ✗
Fan sound variants 5 10 2–3
Precision volume ✓ ✓ ✗
Background audio ✓ ✓ ✓
Sleep timer with fade ✓ Some ✗
Saved mix presets ✓ ✗ ✗
Voice control (Siri / Google) ✓ ✗ Some
No subscription ✓ ✓ ✗
Price $4.99 $50–80 $40–60/yr

Sound Library

Every sound,
synthesized.

No audio files. No recordings. Every sound is generated live from noise and digital filters, the same technique used in professional sound masking hardware.

White Noise
Pure broadband
Free
Pink Noise
Balanced, natural
Free
Brown Noise
Deep, warm rumble
Free
Slow Fan
Gentle, steady
Free
Medium Fan
Richer airflow
Pro
Fast Fan
High energy
Pro
Box Fan
Wide, room-filling
Pro
Ceiling Fan
Low, airy drift
Pro
Window AC
Mechanical hum
Pro
Central AC
Deep, distant
Pro
Clothes Dryer
Rhythmic tumble
Pro
Vacuum Cleaner
Sharp, focused
Pro

Pricing

A tool, not a service.
Pay once. Own it.

No subscription. No auto-renewal. No gotcha. Unlock everything once and it's yours, on every device you own.

Free
$0
Forever free, ad-supported
  • ✓ White, Pink & Brown Noise
  • ✓ Slow Fan
  • ✓ Sleep timer with fade
  • ✓ Background audio & lock screen controls
  • – Premium fan & mechanical sounds
  • – Sound mixing & saved mixes
  • – Siri & Hey Google shortcuts
  • – Custom greetings & visualizer
Best value
Veil Pro
$4.99
One-time purchase · no subscription
  • ✓ Everything in Free
  • ✓ All 12 sounds unlocked
  • ✓ Sound mixing (up to 3 simultaneous)
  • ✓ Saved mix presets
  • ✓ Siri Shortcuts & Hey Google
  • ✓ Custom greetings & visualizer
  • ✓ No ads, ever

Questions

Things people
want to know.

When audio loops, there is a seam. The point where the file ends and starts again. At night, your brain is primed to detect patterns, even subtle ones, and that boundary registers as a cognitive event, enough to pull you out of light sleep or break your focus. Generated noise has no seam because there is no file. Every second is unique. Nothing to repeat.
More than you would expect. The reviews for most major white noise apps include at least one complaint about the loop restarting. Short loops under 60 seconds are almost universally audible after a few nights. Longer loops are harder to consciously detect, but the repeating pattern is still processed by your brain. Some of those apps charge $60 a year for the privilege. Veil sidesteps the problem entirely.
White noise is equal energy across all frequencies. Bright and dense, like TV static. Pink noise rolls off as frequency goes up, matching how natural sounds are distributed. Warmer and softer, like steady rainfall. Brown noise concentrates energy in the bass. Deep and enveloping, like distant thunder or a large waterfall. Most people find pink the most natural starting point. Brown is popular with anyone who finds white too harsh or wants to quiet a busy mind.
Yes. Background audio through screen lock is a hard requirement for a sleep app, and Veil treats it as non-negotiable. Audio continues through screen lock, app backgrounding, and notification interruptions on both iOS and Android. Lock screen controls (play, pause, stop) are fully supported.
Because Veil generates noise. That is the whole product. There is no content to maintain, no streaming costs, no service to bill you for. A one-time price is the honest pricing model for a utility. Unlock it once, it is yours on every device you own, forever, no annual renewal required.
No. And that is actually an advantage. Real fan recordings contain room noise, microphone artifacts, and a physical loop point. Synthesized fan sounds model the mechanical characteristics of each fan type mathematically: blade shape, motor speed, housing resonance. The result is cleaner, warmer, and never loops. Synthesized beats recorded every time.
Yes. On iOS, Veil integrates with Siri Shortcuts so you can say things like "Hey Siri, play Brown Noise" or "Hey Siri, stop Veil" without touching your phone. On Android, Hey Google shortcuts work the same way. Both are available to Pro users and work from your lock screen, earbuds, and HomePod or smart speaker.
Yes. Pro users can save any mix of up to three sounds — with individual volume levels — as a named preset. Your saved mixes appear at the top of the home screen alongside the individual sounds, so restoring your go-to combination is always one tap away.

Start sleeping better
tonight.

Free to download. No account. No setup. Playing in seconds.

Download on the App Store
Get it on Google Play