# Serenity: Sleep Sound Mixer — Sleep Sounds, Focus & Timer

> Sleep Sounds, Focus & Timer (iPhone/iPad app by Jeongjae Lee.)

- Source: https://appshunter.io/ios/app/serenity-sleep-sound-mixer/id6791929590 (this page in markdown: same URL + `.md`)
- Developer: [Jeongjae Lee](https://appshunter.io/developer/1890421131)
- Category: Health & Fitness, Lifestyle
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 17.0 · 69 MB
- Languages: American English, Korean
- Released: 2026-08-25
- Data updated: 2026-09-20

## What is Serenity?

Find your calm, focus more deeply, and sleep more peacefully with Serenity.

Serenity is a flexible sound mixer that lets you combine ambient sounds, nature recordings, and soothing noise into a soundscape that feels right for you. Play up to five sounds at once and adjust each volume independently.

CREATE YOUR SOUNDSCAPE
• Explore 30 calming sounds across rain, nature, places, noise, and home
• Mix up to five sounds at the same time
• Fine-tune individual sounds and master volume
• Save favorite mixes for quick access

SLEEP AND FOCUS
• Set a Sleep Timer that stops playback automatically
• Choose a gentle fade-out for a smoother end
• Start Focus Sessions with pause and resume controls
• Stop all playback instantly from anywhere in the app

ONE-TAP ROUTINES
Build reusable routines with your chosen sounds, individual volumes, purpose, timer, and fade-out settings. Start a complete soundscape with one tap and edit it whenever your needs change.

MADE FOR YOUR PRIVACY
Your saved mixes, routines, and settings stay on your device. Serenity has no account system, no ads, and no tracking.

Serenity includes 12 free sounds. Serenity Pro unlocks the complete sound library and premium access through monthly, yearly, or lifetime purchase options.

Terms of Use: https://jonnylab.app/serenity/terms
Privacy Policy: https://jonnylab.app/serenity/privacy

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Serenity Pro Monthly | $2.99 | per month |
| Serenity Pro Yearly | $14.99 | per year |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Serenity Pro Lifetime | $19.99 | one-time |


## Is Serenity safe?

Not enough ratings yet to assess Serenity.

## Is Serenity legit?

Serenity: Sleep Sound Mixer has limited verification signals. The AppsHunter Legitimacy Score for Serenity is 58 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 1 release)

### 1.1.0 — 2026-08-25

No release notes.

## More apps by Jeongjae Lee

- [Fileio](https://appshunter.io/ios/app/fileio/id6766760955)
- [ClearSpace: Screenshot Inbox](https://appshunter.io/ios/app/clearspace-screenshot-inbox/id6773198726)
- [Privune](https://appshunter.io/ios/app/privune/id6793817371)
- [ReasonTrace](https://appshunter.io/ios/app/reasontrace/id6807589115)

All apps by Jeongjae Lee: https://appshunter.io/developer/1890421131

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-20.*