NOW SHIPPING · v 4.0.1 · UNIVERSAL PURCHASE 4.9 ★★★★★ · App Store
/ The iOS App · light done right

Carry the sun.

Light is language. The Rhythm app gives every bulb you own — Hue, Home Assistant, Matter — a circadian voice you can shape in one gesture.

  • Free forever
  • Local · No cloud
  • Circadian by default
RHYTHM · iOS · 4.0.1 39.74°N ↻ 24h LOOP 75 BPM
11:42
rhythm.lighting
12 18 24 06
11:42 PEAK FOCUS 5200K · 820 LUX
Living Kitchen Studio Bedroom
BRIGHTNESS 92%
Now Scenes Day Rooms
20:18
rhythm.lighting
12 18 24 06
20:18 GOLDEN HOUR 2400K · 120 LUX
Living Kitchen Studio Bedroom
BRIGHTNESS 38%
Now Scenes Day Rooms
SUNRISE 06·14GOLDEN OPENINGMORNING SHARPPEAK FOCUS5200K · 820 LUXSTEADY HOLDGOLDEN HOURCCT WIND-DOWNEMBERBLACKOUT
SUNRISE 06·14GOLDEN OPENINGMORNING SHARPPEAK FOCUS5200K · 820 LUXSTEADY HOLDGOLDEN HOURCCT WIND-DOWNEMBERBLACKOUT
SUNRISE 06·14GOLDEN OPENINGMORNING SHARPPEAK FOCUS5200K · 820 LUXSTEADY HOLDGOLDEN HOURCCT WIND-DOWNEMBERBLACKOUT
/01 — A day in your hand

One swipe.
A whole day of meaning.

Rhythm draws a curve over your day, and your home rides it. Morning opens. Noon clarifies. Evening warms. Night lets go.

06 Sunrise 2200K
08 Open 3400K
10 Sharp 4800K
12 Peak 5500K
14 Hold 5200K
16 Slow 4100K
18 Golden 2700K
20 Wind down 2200K
22 Ember 1900K
00 Black 1600K
/02 — What it does

Six gestures.
One fluent home.

/01

Light Language

Wake, focus, gather, rest. Name the signal; Rhythm handles the glow.

/02

Living Scenes

A whole house in one tap. Scenes that keep their circadian shape.

/03

Circadian Schedules

Sunrise alarms. Tuesday dinners. Weekend wind-downs that arrive on time.

/04

Multi- Room

Group, ungroup, override. Bright and cool in the kitchen while the bedroom glows warm.

/05

Hands- Free

Siri, widgets, Watch complications, Lock-Screen quick scenes.

/06

Local Only

No cloud. No tracking. Your house, your network, your data.

/03 — Lives on every screen

One purchase.
Four surfaces.

Buy it once on the App Store. It lives on every Apple device you own.

iPhone iOS 17+
iPad iPadOS 17+
Mac macOS 14+
Watch watchOS 10+
/04 — Voices

People who live by it.

★★★★★
“It's the first lighting app that doesn't feel like a settings menu. It feels like a piano.”
Mira K. lighting designer · Brooklyn
★★★★★
“My 6 a.m. is golden, my 9 p.m. is ember, and I haven't touched a wall switch in three months.”
Theo R. sleep researcher · Berlin
★★★★★
“I had never set up a smart light in my life. The app told me what to buy and did the rest — my evenings feel completely different.”
Sam D. new to all this · Denver
/05 — Pocket sun

The app is free.
The light is yours.

No subscription. No account. No cloud. Pair with the lights you already own — or add a LightHub to make the whole home speak the same circadian language.

  • 4.9Average rating
  • To download
  • 3 minTo pair the house
  • 2 yrOn the App Store