You can watch the movie The Substance on the following platforms:

• MUBI : The film is available for streaming with a subscription. You can also access it via the MUBI channel on Prime Video. MUBI offers a 7-day free trial and subscriptions cost $14.99/month or $119.98/year

• Amazon Prime Video : Available to rent or buy. Renting costs about $5.99, and purchasing is around $12.99 to $19.99. You can also watch it through the MUBI Amazon Channel if you have a Prime membership

• Apple TV+ : You can rent or buy the movie here as well, with similar pricing to Amazon

• Fandango at Home : Rental and purchase options are available

The film premiered in theaters on September 20, 2024, and now primarily streams digitally on these platforms

. In summary, the most straightforward way to watch The Substance is via a MUBI subscription or through digital rental/purchase on Prime Video or Apple TV+.