FAQs What is Max? Max is a streaming service that provides on-demand content, including the best of HBO, Warner Bros., Harry Potter, The DC Universe, Discovery and so much more. From 31 March 2025, the Max app will be available to Foxtel customers on internet connected iQ3, iQ4 and iQ5* boxes. *Requires an internet connected iQ3, iQ4 or iQ5 set top box. Included Max plan is Basic With Ads. Customers with an iQ2 and below set top box will need to contact us to upgrade their box.