# Sound Evo: Sleep sounds — White Noise Machine

> White Noise Machine (iPhone/iPad app by PNN SOFT.)

- Source: https://appshunter.io/ios/app/sound-evo-sleep-sounds/id6773306644 (this page in markdown: same URL + `.md`)
- Developer: [PNN SOFT](https://appshunter.io/developer/603549243)
- Category: Lifestyle, Entertainment
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 15.0 · 64 MB
- Languages: American English
- Released: 2026-07-27
- Data updated: 2026-10-14

## What is Sound Evo?

Sound Evo: better sleep with white noise machine

Say goodbye to sleepless nights, restless babies, and noisy distractions. Sound Evo is your all-in-one sound machine and noise app, packed with white noise, deep sleep sounds, and relaxing sounds to help you fall asleep faster, focus better, and relax anytime, anywhere.

KEY FEATURES
• Unlimited free background playback
• Built-in sound search to quickly find what you need
• Mix multiple sounds to create your own soundscape (Pro)
• Sleep timer for worry-free bedtime
• Clean, simple design for late-night, eyes-closed use
• One-time purchase unlocks 100+ premium sounds.

Sound Evo works as a free sound machine for the whole family:

FOR ADULTS. Better Sleep, Less Stress
• Block out unwanted noise with white noise and sleep noise
• Build a sleep association that cues your brain to fall asleep faster
• Feel calm, relaxed, and soothed every night

FOR BABIES. A Trusted Baby Sound Machine
• Soft, womb-like sounds that soothe infants naturally
• Sleep association that helps a baby fall asleep faster
• Engages baby's calming reflex for longer, deeper sleep
• Blocks outside noise that wakes the baby up
• Builds a familiar nighttime routine baby will love

Use for focus, study, and meditation.
• Improve concentration and creativity by canceling distractions
• Create a calm, zen-like atmosphere for meditation
• Add soothing ambient background audio to any space

Sound Evo turns your phone into noise machines for better sleep - perfect for your bedroom, nursery, office, or hotel room while travelling. Just open the app and press play.

Sound Evo lets you play sounds in the background for unlimited time. Browse and search sounds instantly to find exactly what you need.
Free Sounds: Rest for the Soul, Bird Song, Forest Stream, Shower Sound

Sound Evo offers a one-time purchase! No Subscriptions: Unlock the full library with a single one-time purchase — no recurring fees, ever. Get instant access to 100+ premium sounds across every category:

- Nature Rest for the Soul, Bird Song, Forest Stream, Sea Waves

- White Noise Shower Sound, Hair Dryer, Highway Bridge, Urban Ambience, Old Town, Busy Restaurant

- Sleep Music Ambient Loop, Mystic Ambient, Exotic Scene, Summer Cafe, Winter Town

- Instrumental: Piano, Relaxing Piano, Harp Melody, Dark Piano, Guzheng Dream, Chill Instro, Piano Chords, Ethno Night, Night Drama, Organ Loop, Thai Temple

- Rain Tropical Rain, Summer Rain, Greenhouse Rain

- Relaxation Native Flute, Mystic Bells, Temple Wind

- Kids Brahms Lullaby, Cat Purr, All Night, Heart Beat

- Space Cosmic Glow, Deep Space

- Antistress Foam Scratch, Sand Slicing and more.


Whether you're searching for sleep sounds, sleeping music, a baby sound machine, or simply relaxing sounds to unwind, Sound Evo gives you everything you need for better sleep — without the recurring cost. Download Sound Evo today and experience deep sleep sounds the smart way.

PrivacyPolicy - https://mental-evo.com/documents/sound_evo_policy%201.html
Terms of Use - https://mental-evo.com/documents/sound_evo_terms.html

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Sound Evo Pro | $4.99 | one-time |


## Is Sound Evo safe?

Not enough ratings yet to assess Sound Evo.

## Is Sound Evo legit?

Sound Evo: Sleep sounds appears legitimate, with a few gaps. The AppsHunter Legitimacy Score for Sound Evo is 75 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 4 releases)

### 1.1.2 — 2026-10-06

Bugfixes and feature implementation

### 1.1.1 — 2026-09-11

Bug fixes and performance improvements to enhance your overall experience.

### 1.1 — 2026-09-01

Bug fixes and performance improvements to enhance your overall experience.

### 1.0 — 2026-07-27

No release notes.

## Apps similar to Sound Evo

| App | Rating | Price | Category |
| --- | --- | --- | --- |
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| [SoundJar](https://appshunter.io/ios/app/soundjar/id6760943722) | — | Free | Lifestyle |
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| [HolyFast: Fasting & Prayer](https://appshunter.io/ios/app/holyfast-fasting-and-prayer/id6758113435) | 4.9 (20) | Free | Lifestyle |

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All apps by PNN SOFT: https://appshunter.io/developer/603549243

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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 2026-10-14.*