Metronome is an Android app developed by James Fenn designed to help musicians keep time while playing music. The app is free to download and use, and it offers a simple interface that is easy to navigate.

Metronome comes with several features that make it stand out among other metronome apps. For example, it allows users to customize the beat and emphasis patterns, choose from four different sound options, and even use the "vibrate" option. Additionally, users can input the tempo by tapping on the screen.

Furthermore, Metronome also offers some extra "pro" features, such as the ability to bookmark certain tempos for easy access and choose from four different app UI themes. Although these features can be used without paying, the app will display an annoying dialog until the user pays for the "pro" features. Overall, Metronome is a great option for musicians looking for a simple and efficient metronome app.