Planetaro is a free lifestyle app developed by S3soft OU for iPhone, iPad, and Apple Watch. It is designed to help users keep track of the ruling planetary hours throughout the day and night.

With Planetaro, users can easily calculate unequal hours based on sunrise and sunset, and the app automatically finds the user's location for accurate calculations. The app offers lock screen and home screen widgets for quick access to the planetary hours without the need to open the app.

In addition to the planetary hours calculator, Planetaro also provides features such as customizable notifications, the ability to customize the user interface and colors, and the option to choose any location on the map for calculations.

The app is based on the ancient Star of the Magi principle and aims to help users make the best use of their time and understand themselves, their environment, and their relationships in real-time. Whether you're interested in astrology or simply want to optimize your daily activities, Planetaro is a handy tool to have.