| In-App Purchase |
| Remove Ads | You can remove ad-banner by purchasing premium feature in this setting. |
| General Settings |
| Select calendars to display | You can turn visibility of each calendar on and off. Changing calendar colors can also be done in this setting. |
| Default calendar | Select a calendar which will be selected as a default for a new event. |
| Time zone | The time zone which is used by Calendar Op.2 to display event time. |
| Calendar View |
| Font size | The font size which is used in the Calendar View. |
| Week starts on | The first weekday of week. |
| Show week numbers | Turn on this setting if you'd like to have week numbers visible in the Calendar View. |
| Font size in the pop-up | The font size which is used in the Day Detail Window. |
| Number of rows in the pop-up | The number of rows visible in the Day Detail Window. |
| Dim past events | Turn on this setting if you'd like to reduce the brightness of past events in the Calendar View. |
| List View |
| Font size | The font size which is used in the List View. |
| Dim past events | Turn on this setting if you'd like to reduce the brightness of past events in the List View. |
| Event Detail View |
| External Maps App | You can select Apple Maps or Google Maps as a external map app which will be launched when you tap location text in the Event Detail View. |
| Minute interval | Select minute interval which will be used when you select event time. |
| About this app |
| Version | The version number of Calendar Op.2 currently installed on your device. |