There are a few apps on the app store which use haptics to guide breathwork, though there is a HUGE opportunity for improvement. I found the UX of them to be h

There are a few apps on the app store which use haptics to guide breathwork, though there is a HUGE opportunity for improvement. I found the UX of them to be horrible, but I also think communicating the in-breath to the out breath is challenging to do with haptics, but I'm happy to be proven wrong, maybe that just hasn't been done well either.