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Kynero

Light and sound, same frequency.

Your iPhone flashlight strobes at the same frequency as the binaural audio, so there's one rhythm to follow instead of two. Sessions run for focus, deep sleep or non-sleep deep rest, and they log to Apple Health.

Theta · 6.0 Hz
06:32
Deep rest

Theta protocol, six minutes in

What it does

The whole feature list.

Light and sound locked to the same frequency, so your brain has only one rhythm to follow instead of two.

01

iPhone flashlight strobe + binaural audio, locked to one frequency

02

Alpha, theta, delta protocols + NSDR

03

Apple Health integration and daily streaks

Protocols

Alpha

8–12 Hz

Focus and calm alertness

Theta

4–8 Hz

Meditation and deep rest

Delta

0.5–4 Hz

Deep sleep

NSDR

Guided

Non-sleep deep rest

Light and sound, same frequency.

Free on the App Store. iPhone, iOS 17 and later.