The best alternatives to Noisli for Android are Noizio, Zen Flowchart, and Nature sound. If these 3 options don't work for you, we've listed a few more alternatives below.
What do you think of Noisli for Android?
AssemblyAI— Speech-to-Text API with superhuman accuracy
Focus Traveller - Together We Get Things Done Choose your traveller and start focusing on your task. While you are doing it, the traveller will climb on the mountain. The longer time you focus, the higher they can climb. App Store: https://shorturl.at/jlWZ7