Headi - Your headache diary

Headi (Headache Diary) is a privacy-friendly app to log your headaches. No data is transferred to any cloud services. All data is stored locally only. Headi also offers a simple analysis of the recorded data. You can also export your logs as a CSV file for further analysis of the data. To save your records you can also export your whole diary, or just parts of it, as a PDF.