- The Five Star Company -

Our Products

Consumer Software Apps

Sirius Geography

Sirius Geography (SG) is a geography learning application for mobile devices, tablets, and desktop web-browsers. SG is unique by not only testing users but actively teaching them. SG has an unparalleled scope that allows users to learn about geography on a local, regional, and global level.

Sirius Astronomy

Sirius Astronomy (SA) is an astronomy learning application for mobile devices, tablets, and desktop web-browsers. SA allows users to learn about celestial bodies and constellations and gain a deeper understanding of astronomy and cosmology in general.

Our Brands and Imprints

Sirius Group AG

Sirius Group AG is a young company from Switzerland that creates innovative products with a purpose. As a project-based start-up we operate in multiple industries.

Sirius Publications

Sirius Publications breathes new life into classics by helping a new generation of readers interact and connect with the text. We also create original non-fiction titles in a wide range of topics.

Sirius Media

Our media imprint produces original content both as stand-alone products as well as productions that are linked to our technology and publication projects, creating an immersive, multi-media experience for our users.