Over 1M users downloaded and set up Migraine Buddy and its most recent release was on Sep 25, 2020. Pay attention to the important detail: ads are a part of the tool and it provides in-app purchases. Samsung and Asus users recommend this application.
Get the .apk installation package of Migraine Buddy 23.7.2 that is completely free and read users' reviews on Droid Informer. This application setup package requires 29 MB to be successfully installed. The app is built for Android 4.2 and higher.
As users state, you can find such a plus of the app as a user-friendly interface.