Apsik - kalendarz pyleń is a free iPhone application developed by Adam Wlodarczyk that provides real-time information on pollen concentration and selected allergens in your region. The app does not require any registration, and all information entered by the user is saved only on their phone and not shared with anyone.

The app features geolocated air quality alerts and weather reports (you must allow location access on your phone for this function), a diary to record your daily condition, and generate a report to show your doctor. Additionally, Apsik provides a map of the nearest allergy clinics, information on cross-reactive allergens, and notifications about upcoming pollen from selected allergens (you must allow notifications on your phone).

Overall, Apsik - kalendarz pyleń is a useful app for allergy sufferers in Poland, providing relevant and accurate information to help them manage their allergies effectively.