What are some alternatives?
When comparing Noisli and Rainy Mood, you can also consider the following products
Noizio - Feeling that the noise of the big city is too much for you to bear?
A Soft Murmur - Ambient sounds to wash away distraction.
Defonic - Create a unique sound environment at home or in the office
Aura Soundscape Player - Modern tools for modern applications.
SimplyNoise - Thousands of people from around the world use SimplyNoise to block distractions, enhance privacy, aid sleep, mask Tinnitus, and melt away stress. The benefits of color noise have been utilized in clinics, schools, households, and offices.
MyNoise - Custom shaped online noise machines. Many Many generic sounds