THRST is a lifestyle app developed by MIKE THURSTON LTD for iPhone users. It falls under the Health & Fitness category and offers a wide range of training guides to help users achieve their fitness goals. With over 30 guides to choose from, users can select the ones that best suit their training style, whether it's PPL, Bro Splits, Summer Shred, or even Mike's personal guide.

The app provides recommended guides tailored to each user's specific goals, allowing them to focus on growing lean muscle, burning fat, or building strength. Video demos of each exercise are also available to help users perfect their form. Additionally, new programs and guides are regularly added to the app, ensuring that users have access to fresh content each year.