Why Noctula doesn't have a subscription

When our first baby came, my wife and I did what every new parent does at 3am: we googled how to make her sleep, and the answer everywhere was the same. White noise, vacuum sounds, hair dryers, rain. Pick your monotonous hum and keep it going.

We did what most people do: pulled up YouTube on the phone, found a 10-hour vacuum cleaner sound video, and pressed play. It sort of worked, except the battery drained in a couple of hours, the playback interrupted itself with mid-roll ads that jolted the baby awake, and you had to keep the screen on or the video would pause.

On the worst nights, we plugged in the actual hair dryer and pointed it at the wall, which I realize sounds absurd but worked better than anything on YouTube, right up until the hair dryer died because it wasn't built to run for three hours straight.

I told myself I'd get to it eventually. Eventually turned into a year and a half.

As a developer, the obvious question is why I didn't just build something better at the time. The honest answer is that I had a full-time job that ate most of my brain, and the last thing I wanted to do at the end of a workday was open Xcode. I told myself I'd get to it eventually, and eventually turned into a year and a half.

A few months ago things at work calmed down, I had some breathing room, and I finally sat down to build the app I wished we'd had back then, which is how Noctula came to exist.

I built it for us, and for every parent who's currently doing the YouTube-vacuum-video thing or worse. The whole app is built around what I actually wanted at 2am with a crying baby on my chest:

• ·One tap to start tracking sleep, one tap to stop.
• ·Twelve sounds that loop seamlessly, with no ads, no buffering, and no screen needing to stay on.
• ·A timer that auto-stops the sound after 30 or 45 minutes so it doesn't run all night.
• ·Live Activity on the lock screen so you can see how long they've been asleep without unlocking the phone.
• ·A widget so you can start a session without even opening the app.
• ·An Apple Watch app for when the phone's across the room.

And the part I care about most: $7.99, one time, not per month or per year. Pay once and it's yours forever, with Family Sharing included so your partner gets it on their phone without paying again.

How is this sustainable?

I get asked about this pretty regularly, and the honest answer is that it doesn't have to scale like a venture-backed startup. There's no team to pay, no investors expecting hockey-stick growth, no marketing budget that needs subscription revenue to justify itself, and no one telling me what features to ship next quarter. If a few thousand parents find Noctula useful and pay $7.99 once, that's a successful project.

The app is also genuinely cheap to keep running because Noctula has no backend at all.There's no server storing your data, no cloud sync, no analytics, no third-party SDKs phoning home, and everything lives on your phone. That's a deliberate choice, partly because baby sleep data is the kind of data I don't want to be responsible for, and partly because it means I'm not paying AWS bills that would force me to charge you monthly.

But what about updates?

It's a fair question. I'll keep updating Noctula because I want to and because iOS itself keeps evolving, and when Apple ships a new Live Activity API or a new widget style, I'll add support for it, not because a subscription is forcing me to invent new features every quarter, but because I use this app myself and I want it to keep getting better.

If at some point Noctula needs major new infrastructure, like optional iCloud sync between parents who want their data merged, I might add that as a separate one-time unlock. But the core app, the one-tap tracking, the sounds, the widgets, the watch app, the Live Activity, all of it is in the $7.99 and stays there.

I don't think every app should work this way, and some software genuinely needs subscription revenue to exist. But a sleep tracker for tired parents should be the simplest, cheapest, most respectful piece of software on their phone, not another monthly charge they discover at 2am while feeding the baby and wondering where all the money went.