# Serenity Engine vs Audiomin

The clearest difference is in-app purchases: Serenity Engine at none against Audiomin's 1. Audiomin's advantage is iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Audiomin sells 1 one-off in-app purchase. Serenity Engine asks for nothing beyond the download.

## The numbers

| Metric | Serenity Engine | Audiomin |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/serenity-engine/id6758733840/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Monetization | Free | — |
| Size | 120 MB | 76 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ANDREW BRODIE LANDRY](https://appshunter.io/developer/1874662777) | [Dorukhan Erdem](https://appshunter.io/developer/1768489190) |

## What reviewers say

### Serenity Engine

[App page](https://appshunter.io/ios/app/serenity-engine/id6758733840)

Create immersive ambient soundscapes for focus, relaxation, and sleep. Features curated sound presets, binaural beats for brainwave tuning, and a gentle sleep timer. Enjoy a beautiful visualizer and a distraction-free, ad-free interface.

**Highlights:** Curated ambient soundscapes, Binaural beats for brainwave tuning, Focus, Relax, and Sleep modes, Customizable sleep timer, Real-time audio visualizer, Minimalist, ad-free interface

**In-app purchases:** none


### Audiomin

[App page](https://appshunter.io/ios/app/audiomin/id6758887532)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Access | $4.99 | one-time |


## Frequently asked questions

### Is Serenity Engine free?

Serenity Engine is free to download, with no in-app purchases.

### Is Audiomin free?

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

### Do Serenity Engine or Audiomin have ads?

Neither Serenity Engine nor Audiomin shows ads.

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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.*