# Sonora Immersive Sound Machine vs EchoFrame

The clearest difference is iOS requirement: Sonora Immersive Sound Machine at 15.5 against EchoFrame's 26.2. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Sonora Immersive Sound Machine sells 4 in-app purchases, starting at $6.99 per month and EchoFrame sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

Sonora Immersive Sound Machine ships an update every 4 days, EchoFrame every 2 days. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Sonora Immersive Sound Machine | EchoFrame |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (516 ratings)](https://appshunter.io/ios/app/sonora-immersive-sound-machine/id6742157763/reviews)** | — |
| Number of ratings | **516** | — |
| Positive reviews | 94.8% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 days | **Every 2 days** |
| Monetization | Freemium | — |
| Size | 175 MB | 19 MB |
| Requires iOS | **15.5** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sonoraa Audio Lab Schucker](https://appshunter.io/developer/1797116799) | [Andrew Sadler](https://appshunter.io/developer/1871833618) |

## What reviewers say

### Sonora Immersive Sound Machine

[App page](https://appshunter.io/ios/app/sonora-immersive-sound-machine/id6742157763)

Create personalized soundscapes for sleep, focus, and relaxation with studio-grade audio. Mix nature sounds, white noise, and binaural beats with customizable frequency controls and animated visuals. Save favorite mixes for quick access via home screen widgets.

**Highlights:** Customizable soundscape mixing, Premium library of nature sounds, White noise generator with frequency control, Binaural beats and isochronic tones, Animated soundscapes, Home screen widgets for quick access

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium Subscription | $6.99 | per month |
| 3-Month Premium Subscription | $14.99 | per 3 months |
| Annually Premium Subscription | $39.99 | per year |
| Lifetime Premium | $79.99 | one-time |


### EchoFrame

[App page](https://appshunter.io/ios/app/echoframe-mood-journal/id6759558778)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| EchoFrame Pro — Monthly | $5.99 | per month |
| EchoFrame Pro — Yearly | $49.99 | per year |


## Frequently asked questions

### Is Sonora Immersive Sound Machine free?

Sonora Immersive Sound Machine is free to download, with in-app purchases available.

### Is EchoFrame free?

EchoFrame is free to download, with in-app purchases available.

### Do Sonora Immersive Sound Machine or EchoFrame have ads?

Neither Sonora Immersive Sound Machine nor EchoFrame shows ads.

### Which is updated more often, Sonora Immersive Sound Machine or EchoFrame?

Sonora Immersive Sound Machine ships an update every 4 days, and EchoFrame every 2 days. Most recently, Sonora Immersive Sound Machine was updated on October 30, 2026 and EchoFrame on October 25, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*