Lull lets you layer ambient sounds to create your perfect sleep mix. Combine rain on a window with a crackling fireplace, ocean waves with night crickets, or brown noise with a gentle breeze — whatever helps you drift off.
30 sounds across 8 categories including rain, ocean, forest, wind, fire, white noise, and baby-calming sounds like heartbeat and womb tones.
• Mix up to 5 sounds at once with individual volume control
• Sleep timer: 30 minutes free, watch a short ad for 8 hours
• Plays in the background with notification controls
• Saves your last mix automatically
• No account, no sign-up, no subscription
• Works completely offline
Built for sleep, focus, studying, meditation, or calming a fussy baby.