sleepytime calculator vs ATMÓS

Sleepytime is an intuitive sleep improvement app that suggests ideal bedtimes and wake-up times based on your desired sleep length and sleep cycles. Use Sleepytime to improve your sleep quality and feel more rested throughout the day.

ATMÓS generates infinite ambient soundscapes through real-time audio synthesis. No recordings, no loops — every sound is created live on your device. Based on live weather data and your chosen mode, you'll hear a one-of-a-kind soundscape that never stops evolving. Four modes: SLEEP — Gentle drones and slow-moving tones guide you into natural sleep. Deep bass and soft textures create a calm, restful space. RELAX — Warm ambient layers ease your body and mind. Slowly shifting harmonies set the mood for unwinding. MEDITATE — Minimal, serene sounds open a space for meditation and reflection. Subtle changes gently guide your awareness. FOCUS — Clear, steady tones support deep concentration. A consistent, distraction-free soundscape for work and study. Weather-driven sound: ATMÓS reads the weather at your location — clear skies, rain, snow, wind, storms and more — and the soundscape changes with it. An immersive experience where real weather shapes the music. Features: - Real-time audio synthesis — generative music with no loops or recordings - Weather-driven — the sound follows current conditions - Four modes — SLEEP, RELAX, MEDITATE, FOCUS - Background playback - Sleep Timer (in-app purchase) Enjoy a world of sound that changes with the weather, in ATMÓS.