Here’s what this app does
FRQ is a sound app with binaural and isochronic modes, an independent pink-noise layer, a listening timer, and adjustable visual themes. Users can change the beat frequency, base tone, and ambience volume rather than relying only on preset tracks.
Google Play currently charges $2.49 for the download. It does not list ads, in-app purchases, or subscriptions. The Reddit post’s temporary free offer is no longer reflected in the reviewed U.S. store price.
The developer presents FRQ as a general listening and relaxation tool. It is not a medical app, and this listing does not claim that the sounds treat health conditions or guarantee improvements in sleep or concentration.
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