For a free app this is a good one to log my headaches. The timer is a bit fussy. But I can also input the length manually

Only caveat is that the app doesn't let you know when to switch positions or when it's time to rest and my eyes can't be on the phone the whole time

Only caveat is that the app doesn't let you know when to switch positions or when it's time to rest and my eyes can't be on the phone the whole time

great way to pass time. so much fun.