Εορτολόγιο is a free iPhone app developed by CarrotBits IKE. It falls under the Lifestyle category and provides users with a Greek name calendar and reminder system. With this app, you can easily keep track of the upcoming celebrations and birthdays of your contacts and friends.

The key features of Εορτολόγιο include an interactive calendar that displays the upcoming celebrations, reminders for birthdays and celebrations from your contacts, a list of contacts and friends with their respective celebrations and birthdays, a list of holidays for the current and upcoming years, offline functionality, and widgets for Today, Home, and LockScreen.

One of the best things about Εορτολόγιο is that all its features are available for free. However, if you prefer an ad-free experience, you have the option to remove ads through an in-app purchase.

Overall, Εορτολόγιο is a handy app for Greek users who want to stay updated on the celebrations and birthdays of their contacts and friends. Its user-friendly interface and comprehensive features make it a must-have for anyone interested in Greek name calendars.