BellhumStack Beta, Alpha and Theta into one session for focus, study or calm. Bellhum glides smoothly from one to the next.



Up to 4 stages per session, for example Beta 18 Hz for 10 minutes, then Alpha 10 Hz, then Theta 6 Hz. Frequencies glide between stages, so there is no jump or click.

Every tone and background layer is generated live on the iPhone.
Needs headphones.
Pulses work on a speaker.
A quick ear check plays left then right.
Pure mode turns off the background.

Deep Focus, Study Flow, Calm Break, Still Mind, Soft Ground; with Pro: Focus Climb, Exam Sprint, Wind Down, Deep Still.
A simple streak and a five-week grid of the days you listened.

Bellhum is not a medical device and makes no medical claims. If you have epilepsy or a seizure disorder, a pacemaker, or are pregnant, ask a doctor first. Do not use while driving. Keep the volume low.