[amelius]

I see one problem in the UX. When breathing out you cannot see where the circle will stop so it is difficult to mentally plan this phase of the cycle.

[penguin_booze]

Also, there's no 'ding' at the point the breath-out stops and the next breath-in cycle begins.

[nmstoker]

Yes, this is the big flaw in an otherwise nice little app. If this were fixed you could use it without looking.

[cheekyturtles]

Sorry, both should be fixed now. There should be audible cues at all breathing phase transitions and a more visible colour for the radial animation. An awful oversight on my part, my apologies again!