Mastrena is a espresso machine used by Starbucks. It is a brand created particularly for Starbucks by Thermoplan AG, a Swiss firm. Starbucks uses superautomatic machines with built-in grinders and a computerized menu to make the espresso-making process as simple and quick as possible. An espresso machine from Starbucks costs roughly $18,000 to purchase. Starbucks espresso machines are built for ease of use and quick drink output, rather than drink quality. As a result, focusing on artisan drinks is a good way to compete with Starbucks if you own a specialty coffee shop. With good quality coffee beans, some barista skills practice, a decent espresso grinder (more important than the espresso machine), and a good espresso machine, most home users can easily get better results than Starbucks.