Hertz: Frequency Lab

Scientifically accurate binaural beats that work for 43% of users based on EEG research. Find out if you're one of them.

14.0 Hz

Focus (Beta Waves)

Download on the App Store

The Honest Truth

57% of brainwave studies found no entrainment effect from binaural beats. Yet millions swear by them. After 7 sessions, we'll show your personal effectiveness score.

What We Actually Do

Generate mathematically precise frequencies. Two tones, slightly different, one in each ear. Your brain creates the beat. No mysticism, just physics.

5 Research-Backed Frequencies

Focus (14-30 Hz Beta) - Concentration and alertness
Sleep (0.5-4 Hz Delta) - Deep sleep waves
Calm (8-13 Hz Alpha) - Relaxation state
Energy (30-50 Hz Gamma) - Peak performance
Recover (4-8 Hz Theta) - Restoration

Free Forever

Focus frequency unlimited
10-minute sessions unlimited
No account required
No ads ever

Premium Features

All 5 frequencies
Unlimited session lengths
Effectiveness tracking
Personal frequency finder
Apple Watch app
Export your data

$69.99/year

14-day free trial • Cancel anytime

Who Shouldn't Use This

People with epilepsy or pacemakers. This isn't medical treatment. See a real therapist for real problems.