Sereni
Support
Sleep & focus sounds — a calm soundscape mixer for rest, study, and concentration.
Download Sereni on the App Store ↗Contact
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FAQ
Can I use Sereni offline?
Yes — the sounds play offline.
How do I remove the ad?
Yes — Sereni has a one-time in-app purchase that removes the banner ad for good. You'll find it inside the app; if you reinstall or move to a new device, tap Restore Purchases to re-enable it at no extra cost.