Circa: Natural Rhythm

Circa: Natural Rhythm

From dusk till dawn

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Free

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Details

  • Released
  • Updated
  • February 9, 2026
  • September 2, 2026

Features

Circa: Natural Rhythm screenshot #1 for iPhone
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Circa: Natural Rhythm screenshot #3 for iPhone
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Circa: Natural Rhythm screenshot #5 for iPhone
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About

Discover CIRCA, the biological alarm clock designed to respect your natural rhythm. Unlike standard alarms that shock you awake, CIRCA transforms your nightstand into a beautiful dawn and dusk simulator. KEY FEATURES: • Natural Sleep Onset: A deep red light mimics dusk to promote melatonin secretion. • Gentle Wake-Up: 30 minutes before your alarm, the screen simulates a sunrise, shifting from red to warm orange, then bright white. • High-Fidelity Soundscapes: Fall asleep to the sound of gentle rain, a crackling wood fire, or ocean waves. • OLED Safe Technology: Our "Liquid Dark" engine physically turns off black pixels. Minimal battery drain, total darkness. • One-Time Purchase (Premium): No hidden subscriptions. Unlock the full sensory experience once, for life. Respect your cycles. Wake up with CIRCA. Handcrafted with passion by KYMEA Studio.
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What's New in Circa

2.0

September 2, 2026

Discover CIRCA's biggest update yet! • New collection of High-Fidelity soundscapes (Ocean, Wood Fire, Forest...). • New onboarding experience to set up your night ritual. • Introducing CIRCA Premium: Unlock the full sensory experience with a one-time payment. No subscriptions. (A huge thank you to our early adopters: if you already had the app, the Premium version is yours for free, forever!)

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