if anyone else is just looking for the noise generator, theres one built into ios now so you can use your ipad or iphone. This is under accessibility - audio/vi

if anyone else is just looking for the noise generator, theres one built into ios now so you can use your ipad or iphone. This is under accessibility - audio/visual - background sounds. It’s ostensibly for tinnitus, but as with all good accessibility, others can use it. I might use it, but instead my wife and I just turn the air purifier to maximum to get a lot of brown noise .