Blood Donor is an application for keeping a donation diary.Functions available:- Display of the total whole blood donated and the date of the last donation.- Displaying the sum of donated types.- Calculate and display the date of the next donation taking into account the required intervals between donations.- Displaying notifications about the possibility of donating blood (to choose from: 4 weeks before, 2 weeks before, 1 week before, 2 days before, 1 day before and / or on the day of donation) at a selected time.- Adding diary entries with information about donation type, volume, donation date, hemoglobin level, blood pressure and a note.- Ability to export and import log data.- Display of donation history in the log.- Track your progress in earning badges for your donated blood.- Integration with the local calendar.The application stores all data only on the users device and does not require an Internet connection.Suggestions and errors can be reported by completing the form:https://softerit.pl/krwiiciel