What's a good iOS app for practicing musical instruments with customizable metronome sounds and time signatures?

Smart Metronome & Tuner is an excellent choice for musicians seeking a customizable practice tool. It stands out with its diverse range of preset metronome sounds, ensuring you find one that suits your instrument and preference. The app also features a unique slide feature for visual timing, complementing the auditory cues. You can easily adjust the time signature to match the music you're playing, and even create and save songs with specific tempos and time signatures. This makes it ideal for structured practice sessions. Furthermore, its clear sound output ensures that you can hear the metronome even while playing louder instruments. While it contains ads, many users find the benefits outweigh this minor inconvenience, especially since the core functionality is available for free.