Coosub is a platform that allows users to join low-cost shared subscriptions to services such as Netflix, SkyShowtime, YouTube, Spotify and more. It aims to reduce subscription costs by providing shared subscriptions at more affordable prices. Coosub pairs co-subscribers from the same country or region to ensure the most convenient experience with a cost-effective shared subscription. The platform also provides online customer support to help with queries and ensure quality after-sales service.