The sounds

Why I chose frequencies, not random noise

Before LullBug, I'd spent a fair while down the rabbit hole of sound frequencies. Binaural beats to begin with, then brainwave entrainment, the idea that a steady frequency can gently nudge you towards calm or focus. I found it properly interesting, enough that I built a rough little app just for me, somewhere to keep the tones I liked so I could play them without digging through videos every time.

The turn came on an ordinary bad evening. My three-year-old was mid-meltdown, the sort where nothing you try works and you're both well past reason. I was out of ideas, so half in desperation I opened my little app and played one of the low, warm tones I used for myself. He stopped. Not straight away, but he settled in a way that caught us both off guard.

So I built one for him. Not the fiddly thing I'd made for myself, but something I could grab in a hurry with a screaming toddler on my hip. One tap, no menus, no faffing. That was the whole brief.

Where the tones came from

Each of the six bugs plays a single frequency. I chose them by ear, listening on a normal phone speaker rather than nice headphones, because a kitchen at five o'clock is where this actually gets used. They aren't stock sound effects off a shelf. They're the tones I'd already been listening to myself, cleaned up and given a character each.

Why just one sound

A lot of calming apps layer things up: rain over a stream over distant thunder. Lovely if you're an adult winding down. For a child who's already overwhelmed, that's more to take in, not less. One steady note gives him something plain to hold onto. I won't overstate the science behind it. That's the thinking, and it matches what I see at home.

Why it has to be quick

When it kicks off, there's no time to think. If I have to unlock the phone, hunt for the app, scroll a list and pick something, the moment has gone and so has my last nerve. LullBug opens straight to the bugs and starts a sound on the first tap. He can watch the bug drift about, or I can dim the screen right down when even that is too much. Fixing the frequencies instead of offering endless choices was a deliberate call. Fewer decisions to make when I've got none left to spare.

What LullBug isn't

LullBug isn't a medical or therapeutic product, and I'm not claiming a frequency treats or fixes anything. I can't promise it will do for your child what it did for mine. What I can tell you is that these tones are calming to listen to, that they came out of my own listening rather than a sound library, and that having them a tap away has rescued more than one evening in our house.