Cannot Mute
Cannot Mute the Ding.. Haptic albeit stronger than any available still practically useless.
Background Mode
Does app run in background? I set it and feel the haptic, but when I leave the app the haptic stops.

This app provides a vibrating metronome for musicians, utilizing Apple Watch haptic feedback and audible beeps to keep tempo. It offers background operation and customizable beat patterns, designed to be unobtrusive while playing an instrument.
1.1.2
March 12, 2020
Handling the "keep awake" a little better.
Haptick is a metronome application for Apple Watch that uses vibrations and audible beeps to help musicians keep tempo. It is designed to run in the background and provide sensory feedback even when the wrist is in motion.
Haptick provides tempo feedback through strong haptic vibrations on your Apple Watch and an accompanying audible beep. The haptic feedback is designed to be more pronounced than a standard 'tick'.
Yes, Haptick is designed to continue working even when you move or drop your wrist, allowing you to use it while holding your instrument. It also runs past the typical 70-second sleep limit.
Haptick allows you to switch between 2/4 and 3/4 beat patterns with a dedicated button. You can also choose to silence the haptic pulse if desired.
You can adjust the tempo using the on-screen slider for larger increments or the Apple Watch crown for fine-tuning. This allows for precise control over the beat.
No, Haptick does not contain advertisements. It is a paid application that offers an ad-free experience.
Haptick is compatible with Apple Watch, iPhone, and iPod devices. It leverages the Apple Watch for its primary haptic feedback features.
Haptick has an age rating of 4+, making it suitable for a wide range of users. This indicates it contains no mature content.