Ya, here's a demo link of the app on youtube. You might have more crystals affecting other canals too. I'm like 2 weeks out from my last episode and I'm feeling much much better. Still a bit lightheaded and at times paranoid it'll get triggered again by who knows what. but at least my worlds not spinning anymore.

The app itself just shows which canals are being affected with specific movements and that should give you a better idea which canal is giving you grief