Daily check-in
10 seconds a day. Tick what today looked like — the analysis gets smarter with coverage.
Heads-up for Safari users: Safari may clear website data stored for more than 7 days. If you use Safari, print a doctor report periodically to keep a copy of your history.
Which factors do you suspect?
Mark the ones you believe affect you. The analysis page will test your suspicions against your own data — and honestly tell you which ones it does not support.