Purplebricks is an online real estate agency that offers services for selling, buying, and letting properties in the UK. They distinguish themselves by providing the option to sell homes for free, allowing clients to save money on traditional selling fees. Users can manage their property transactions through their app, offering flexibility and convenience. Purplebricks also provides mortgage advice through a related service, helping clients find suitable mortgage deals. Their services include estate agent support, free property valuations, and customizable packages for property sales and rentals, making the home moving process more affordable and efficient.