# E vs SL Air

The clearest difference is price: E at Free against SL Air's $6.99. SL Air's advantage is rating (5.0 vs 2.0) and in-app purchases (none vs 1). On ratings volume, ads, device support and iOS requirement there is nothing between them.

E is free to download; SL Air costs $6.99 up front. E sells 1 one-off in-app purchase. SL Air asks for nothing beyond the download.

SL Air holds the better App Store score, 5.0 against 2.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

## The numbers

| Metric | E | SL Air |
| --- | --- | --- |
| Price | **Free** | $6.99 |
| Rating | [2.0 (1 ratings)](https://appshunter.io/ios/app/e-chorus/id6778245467/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sl-air/id6797349220/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Weekly |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 26 MB | 15 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shoma Kondo](https://appshunter.io/developer/1884832972) | [VIACHESLAV ZHILTSOV](https://appshunter.io/developer/1862005860) |

## What reviewers say

### E

[App page](https://appshunter.io/ios/app/e-chorus/id6778245467)

This app creates a rich, animated stereo soundscape using four modulated delay voices. It can be used as a standalone audio application or as an AUv3 effect within other compatible music production apps.

**Highlights:** Four independently timed ensemble voices, Adjustable rate from 0.1 to 5 Hz, Equal-power dry/wet blending, Width control for stereo imaging, Standalone app and AUv3 effect, Instrument and line input modes

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| E-Chorus Full Version | $4.99 | one-time |


### SL Air

[App page](https://appshunter.io/ios/app/sl-air/id6797349220)

Enhance your audio with this AUv3 effect, designed to add brightness, presence, and stereo width. Achieve a polished top-end for vocals, drums, samples, and full mixes with intuitive controls and a motion display.

**Highlights:** Controlled brightness (Air & Lift), Smoother high-frequency detail (Silk), Stereo expansion (Wide), Polished finish (Glow), Audio-reactive motion display, Factory and user presets, AUv3 support

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

**In-app purchases:** none


## Frequently asked questions

### Is E free?

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

### Is SL Air free?

SL Air costs $6.99, with no in-app purchases.

### Which has better reviews, E or SL Air?

SL Air is rated higher. E averages 2.0 out of 5 from 1 ratings, while SL Air averages 5.0 from 1 ratings.

### Do E or SL Air have ads?

Neither E nor SL Air 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.*