The best alternatives to Halo are Brain.fm, Endel, and (Not Boring) Vibes. If these 3 options don't work for you, we've listed a few more alternatives below.
Vibes is the first personalized music app to help you focus and stay in the moment. Inspired by video games, Vibes learns your wake & sleep times and tracks your activity to generate background music designed to help you focus, relax, sleep, workout.
focus, meditate, sleep… escape into your own unique virtual 3d soundscape, so you can focus on what's really important. get away from your distracting surroundings and relax, focus or sleep in your own odio cocoon.
It's easy to forget to take time out of your day for mindfulness and meditation. The Silent Podcast is an automated podcast feed that provides a daily 10-minute pocket of quiet and stillness in your routine.