What are some alternatives?
When comparing Studiowave and Hipster Sound, you can also consider the following products
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.
Noizio - Feeling that the noise of the big city is too much for you to bear?
SoundDrown - Ambient sounds to help you focus, relax, and escape
Defonic - Create a unique sound environment at home or in the office
zenmix.io - Ambient background sound generator
A Soft Murmur - Ambient sounds to wash away distraction.