Privacy Policy

Last updated: January 2026

Information We Collect

Serenio collects minimal data necessary to provide the app experience. We do not sell your personal data to third parties.

• Account information if you sign in (email address via Google/Apple)
• App usage data to improve features (via Firebase Analytics)
• Purchase information processed securely via Apple App Store and RevenueCat

How We Use Your Data

• To provide and maintain the Serenio service
• To process subscription payments
• To restore purchases across devices
• To improve app performance and fix bugs

Data Storage

Your favourite sounds and app preferences are stored locally on your device and in your iCloud account. We do not store your personal audio recordings on our servers.

Third-Party Services

• Firebase (Google) — analytics and authentication
• RevenueCat — subscription management
• Apple App Store — payment processing

Contact

For privacy questions, email slyme771@gmail.com

Terms of Service

Last updated: January 2026

Use of the App

Serenio is provided for personal, non-commercial use. You may not copy, modify, distribute, or reverse engineer any part of the app.

Subscriptions

Serenio offers a premium subscription unlocking all 200+ sounds. 50 sounds are free with no subscription required. Subscriptions are billed through the Apple App Store. You may cancel at any time via iPhone Settings → Apple ID → Subscriptions.

Disclaimer

Serenio is a sleep aid app and is not a medical device. It is not intended to diagnose, treat, cure, or prevent any medical condition.

Changes to Terms

We may update these terms from time to time. Continued use of the app constitutes acceptance of the updated terms.

Contact

Questions about these terms? Email slyme771@gmail.com