# FlowTone vs Serenity Engine

The clearest difference is device support: Serenity Engine at 3 against FlowTone's 1. Serenity Engine also leads on iOS requirement (17.0 vs 26.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | FlowTone | Serenity Engine |
| --- | --- | --- |
| 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 | No |
| Ads | No | No |
| Monetization | — | Free |
| Size | 34 MB | 120 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Heejae Kim](https://appshunter.io/developer/1001009663) | [ANDREW BRODIE LANDRY](https://appshunter.io/developer/1874662777) |

## What reviewers say

### FlowTone

[App page](https://appshunter.io/ios/app/flowtone/id6754384220)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is FlowTone free?

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

### Is Serenity Engine free?

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

### Do FlowTone or Serenity Engine have ads?

Neither FlowTone nor Serenity Engine 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.*