Luten
Sound for the mind that learns what calms and focuses you, entirely on your device.
| Name | Luten |
| Category | Health & Fitness (also Productivity) |
| Platform | iOS 17 and later. iPhone, with Apple Watch, home screen widget and iMessage extensions |
| Release date | Available on the App Store now. Public launch Tuesday, August 18, 2026 |
| Price | Free to download with a free selection of sounds. $7.99/month, $59.99/year with a 7 day free trial, $119.99 one-time lifetime. Family $89.99/year, Student $29.99/year |
| Catalog | Sounds across sleep, focus, ADHD, stress, nature and kids |
| Developer | One Life, an independent studio. Luten is A One Life Product |
| App Store | apps.apple.com/app/id6777673392 (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 sound chosen for that state, then remembers what worked for you. Over weeks it converges on what holds your attention or settles you, and none of that ever leaves your phone. There are no vocals anywhere in the catalog, no ads, no talking, and no course to finish.
Why it exists
Two things are true about the category. Sound genuinely helps a lot of people concentrate 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 smaller one that gets more yours over time. The 3am wake-up was the design case that shaped the product. Roughly a third of adults wake in the middle of the night, more than struggle to fall asleep in the first place, and 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
The companion, Sona, reads plain-language input using Apple's on-device NaturalLanguage framework. No message, mood entry or listening history is sent to a server for this. There is no cloud model in the loop, which is unusual for anything described as a companion, and it is the reason Luten can be honest about privacy rather than careful about it.
Zero vocals, uniformly mastered, seamlessly looped
Nothing in the catalog has a voice or lyrics in it. Every track is mastered to a uniform loudness so moving between sounds does not jolt you, 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
- Six modes: sleep, focus, ADHD, stress, nature and a kids section with an auto-stop timer and a volume reminder
- Sona, the plain-language companion, 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
- 16 sounds free forever, and that number never shrinks
Positioning notes for writers
The company is equally happy to be quoted on what the evidence does not support. The research base for specific noise colors as a focus intervention is thin, and Luten's own 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.
Video
- Sona, the on-device companion (7s)
- Sleep (7s)
- ADHD and focus (7s)
- Kids (7s)
Boilerplate
Luten is sound for the mind that learns what calms and focuses you. Tell it how you feel in plain words and it answers with sound chosen for that state, then remembers what worked, all on your device and never shared. Sounds across sleep, focus, ADHD, stress and kids, with no vocals, no talking and no ads. Luten is A One Life Product, built by an independent studio, and is available on the App Store now.
Contact
Press enquiries, review codes, interviews and the audio license ledger: hello@onelifeco.app. Review access can be arranged ahead of the release date.