What are some alternatives?
When comparing Noise Blocker and MyNoise, you can also consider the following products
Krisp - Mute the background noise during your calls
A Soft Murmur - Ambient sounds to wash away distraction.
NoiseGator - A simple noise gate app intended for use with VOIPs like Skype.
Noizio - Feeling that the noise of the big city is too much for you to bear?
SoliCall Pro - Removes noise & echo from any VoIP call. Can also be used for call recording.
Noisli - Noisli is a fantastic background noise and color generator for working and relaxing. Online soothing ambient sounds like White noise, Rain and Coffee Shop.