Good utility, but could be improved – Tone Generator: Audio Sound Hz Review

The sound output drops out while dragging the frequency slider, instead of producing a continuous tone. The frequency slider is also a bit unstable, swishing the frequency up/down by occasionally significant amounts when my finger lifts off the control, which requires using the fine-tuner to restore the desired setting. If you want to dial in a frequency to match another source, this tool will not be precise enough for you.
Review by FFiend on Tone Generator: Audio Sound Hz.