Apps Like Protocol - Sound System for iPhone and iPad

by HSLA0001 Inc.★ 5.04 ratingsHealth & Fitness$4.99Data updated 2026-09-06

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Sleepster
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Nature sounds for peaceful sleep.
The app offers a collection of nature sounds and animated backgrounds to help users relax. It features multi-sound mixing, customizable animated scenes, and a smart sleep timer for a restful experience.
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