There's a time limit
I like how you could play relaxing sounds offline but there is only a maximum of 59 minutes timer and there's no option to select infinite time so the sounds could continuously play. Also, there's no background audio playback so you can't mix it with other apps.
Response from developer
That’s not true. You can set up to 24 hrs for playing. I think it's enough. And yes it has problem with mixing yet.
