Sincronário 13:20 is a free Android app developed by Macaco Autoexistente Azul that offers a unique approach to integrating your daily life with the cycles of the galaxy. The app includes a 13-moon synchronometer, an interactive Tzolkin calendar, and a wealth of information about the kin, such as the oracle, enchanted wave, castle, harmonics, and chrono psi. The app also provides introductory and explanatory information to help users learn about the law of time.

For Chrononauts, the app offers additional features such as the ability to make notes on the kin and access them easily whenever they want. Users can also add other people's kin and add them up, calculate their own kin with the searched kin, and use a kin calculator.

The Galactic Plan offers everything in the Chrononaut plan, as well as the ability to view Hunab Ku 21, its paths, and archetypes. Users can also add groups of friends, and change the background of the app to suit their preferences.

Overall, Sincronário 13:20 is an intriguing app for anyone looking to connect with the rhythms of the galaxy.