Pluto TV is a streaming service operated by ViacomCBS (owners of Channel 5 and Comedy Central amongst others). A total of 250 different channels are available. The channels available include a mix of traditional channels, and channels dedicated to a particular show which emulate a traditional channel. Music channels are also available.
The service is free to users, made possible by adverts inserted into the streams. Although you can sign in to customise content, this is not mandatory.
Apps are available for Apple iPhones and iPads, along with Android powered devices including Android TVs. Amazon Fire TV, Apple TV, Chromecast, PlayStation 4, and Roku devices are also supported. The most recent addition is an app for Virgin Media (V6) users.
Additionally, as of 7th September 2020, Pluto TV is also available on most devices with a web browser, allowing access to users of desktops, laptops, and other devices without a dedicated app.