Luten

Sound for the mind that learns which sounds you keep, entirely on your device.

Name	Luten
Category	Health & Fitness (also Productivity)
Platform	iPhone on iOS 17 and later, with Apple Watch, home screen widget and iMessage extensions. Android phones on Android 7 and later
Release date	Released Monday, August 17, 2026. Public launch Tuesday, August 18, 2026
Price	Free to download. $7.99/month or $59.99/year, $119.99 one-time lifetime. Family $89.99/year (iPhone), Student $29.99/year. Every subscription starts with a 7-day free trial.
Developer	One Life, an independent studio. Luten is A One Life Product
App Store	apps.apple.com/app/id6777673392 (live now)
Google Play	play.google.com/store/apps/details?id=app.luten.android (live now)
Website	onelifeco.app/luten
Press contact	hello@onelifeco.app

The one paragraph version

Every sound app hands you the same library and expects you to go digging. Luten works the other way round. You tell it how you actually feel, in plain words, and it answers with a sound, then remembers which sounds you keep. Over time it moves toward what you play, and none of that ever leaves your phone. There is no narration, no lyrics, no ads and no course to finish.

Why it exists

Two things are true about the category. A lot of people put sound on to work or wind down, and almost every app in the space treats that as a content problem rather than a personalization one. You get a grid of tracks, and you are the recommendation engine.

Luten was built around the opposite bet: that the useful part is not a bigger library, it is a list that moves toward what you play. The 3am wake-up was the design case that shaped the product. The last thing that version of you wants is a bright screen, a menu, or a voice telling you to notice your breath. Luten opens straight into sound.

What is actually different

It learns, and the learning stays on the device

Sona reads plain-language input on the phone. No message, mood entry or listening history is sent to a server for this. There is no cloud model in the loop, and that is the reason Luten can be honest about privacy rather than careful about it.

No narration or lyrics, even loudness, seamless loops

Nothing in Luten has narration or lyrics. A few tracks have wordless voices or a cafe murmur in them as texture. Nearly every track sits at the same loudness, and loops are seamless rather than fading out and restarting. Noise tracks are synthesized to their true spectra rather than approximated.

Documented provenance

Roughly two thirds of the catalog is licensed recordings with a written license ledger for every file. The remainder is produced in-house using generative tooling. Luten does not claim to be an AI-free catalog, and the ledger is available to press on request.

A lifetime option

$119.99 once, no renewal. It exists because subscription fatigue in this category is real and a permanent option is a straightforward answer to it.

Feature summary

Five sections: sleep, focus, ADHD, stress and kids, with an auto-stop timer and a volume reminder
Sona, the plain-language chat, running fully on device
Sound DNA, a visible profile of what the app has learned about your preferences
Apple Watch app, home screen and lock screen widgets, iMessage stickers
Sleep score built on real Apple Health sleep data, read only, opt in
Lock screen and Control Center playback, timers, crossfade between tracks

Positioning notes for writers

Luten makes no therapeutic claims. It is a wellness product, not a treatment, and it is not a substitute for care. Please avoid framing it as something that treats insomnia, anxiety or ADHD. It suggests sound and remembers which sounds you keep.

Luten does not claim any noise color improves focus, and its copy frames those sounds as a preference rather than a mechanism.

Screenshots

Click any image for the full resolution file. Free to use in coverage of Luten.

Sona, the on-device chat, in conversation

Luten sleep score built on Apple Health data

Video

Boilerplate

Luten is sound for the mind. Tell it how you feel in plain words and it answers with a sound, then remembers which sounds you keep, all on your device and never shared. Sounds across sleep, focus, ADHD, stress and kids, with no narration, no lyrics and no ads. Luten is A One Life Product, built by an independent studio, and is available now on the App Store and Google Play.

Contact

Press enquiries, review codes, interviews and the audio license ledger: hello@onelifeco.app. Review access can be arranged ahead of the release date.