SleepMaster:White Noise&Sounds

SleepMaster is a completely offline white noise app designed to help you and your baby relax and fall asleep quickly. It features carefully selected natural sounds, Alpha waves, and baby soothing audio to block out environmental noise. 【Key Features】 · Baby Soothing & Sleep: NEW! Dedicated white noise (womb, shush, etc.) and scene mixes for infants. Supports multi-track mixing to gently lull your baby to sleep. · Immersive White Noise: Supports multi-track free mixing. Mix and match rain, thunder, water, campfire, and Alpha waves. · Sleep Timer: Set a countdown, and the volume will automatically fade out so it won't disturb your sleep. · My Library: Save your favorite sound mixes with one tap and quickly replay them next time. · Scientific Breathing Exercises: Includes 4-7-8, Box, Belly, and 4-2-6 guided modes with voice prompts to help you quickly calm your emotions. · Personalization: 24 gradient backgrounds, lock screen controls, and background audio playback. 【Privacy & No Ads Promise】 · Zero Network Requests: All audio resources are bundled locally, fully offline. · Zero Data Collection: No personal data collected, no ads, no tracking, no third-party SDKs. · Your sleep time belongs only to you. 【Premium】 · One-time purchase (Non-consumable): Unlock all premium sounds, the Baby section, backgrounds, and future features. · No subscriptions, no hidden fees. 【Terms & Policies】 · Privacy Policy: https://mjxlzhang.github.io/sleepmaster/privacy.html · Terms of Use: https://mjxlzhang.github.io/sleepmaster/terms.html