Requirements: Android OS
Price: $4.15
Overview: DateStone is a calendar program for Android that supports a huge variety of calendar entries:
* dates with a certain time,
* day tasks without time,
* events over multiple days such as holidays,
* recurring events such as birthdays, weekly dates, events on the first day of each month etc.

Features of DateStone:
* months and day view provide overview over your dates;
* fast navigation to days or months, search in your date entries;

* many options to formulate recurring events, e.g., every week at the same weekday, every last day of a month, every second Tuesday of a month, every year at the same date;
* reminders that produce a sound at a certain time before a date occurs; if desired, the reminder can be read aloud using Android's text-to-speech synthesis service;
* different color styles;
* synchronization with a PC version of DateStone; with this, dates can also conveniently administrated by a PC.