Support

Have a question that isn’t answered below, found a bug, or want to request a feature? Reach out any time.

Frequently asked questions

Do I need headphones?

Yes - binaural beats only work with stereo headphones or earbuds, since each ear needs to hear a distinct tone. Playing through phone or laptop speakers won't produce the effect.

Does Synctone need an internet connection?

No. Synctone works entirely offline - it makes no network requests at all.

Does Synctone collect my data?

No. Synctone collects nothing and has no analytics, accounts, or tracking. See the Privacy Policy for details on the one thing it does touch: Apple Health, to log and display your own sessions.

Why does the app ask for Health access?

Solely to save your completed sessions as Mindful Minutes and to read them back for your own History chart. You can decline and still use every other part of the app.

Can I use my own beat frequency instead of a preset?

Yes - the Custom tab lets you set any beat frequency from 1–40Hz and choose a tone pitch, with live feedback on which brainwave band you're in.

Is Synctone a medical device?

No. Synctone is designed for relaxation and focus and does not diagnose, treat, or cure any condition.