Inim Brainfluid — Download
: An app that uses "functional music" designed to improve focus, relaxation, and sleep. It is highly rated for ADHD productivity but has some user complaints regarding sleep-timer bugs.
If you are looking for apps to improve mental focus or "brain health," you may be thinking of: Download INIM Brainfluid
If "INIM" refers to the smart home developer, they offer a suite of apps for managing security systems and automation, though none are specifically for "brain fluid." : An app that uses "functional music" designed