Merrick's APP is suitable for all kinds of fitness equipment, including spinning bikes, exercise bikes, elliptical machines, treadmills, rowing machines, treadmills and so on. No matter which brand of rowing machine it is, as long as it supports the connection with Merrick APP, it can carry out data recording, training plan formulation, fitness data analysis and other functions through the APP. In this way, users can easily use Marek's application to manage and monitor their own fitness training. Therefore, you can use Marek's APP without Marek's rowing machine.