# SWAM Viola Section vs SL Echo

The clearest difference is price: SL Echo at $6.99 against SWAM Viola Section's $44.99. SL Echo also leads on update cadence (every 5 days vs monthly). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

SWAM Viola Section costs $44.99 and SL Echo $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

SWAM Viola Section ships an update monthly, SL Echo every 5 days. The most recent releases landed on October 6, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | SWAM Viola Section | SL Echo |
| --- | --- | --- |
| Price | $44.99 | **$6.99** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sl-echo/id6797348934/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 5 days** |
| Monetization | — | Paid |
| Size | 188 MB | 18 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Audio Modeling](https://appshunter.io/developer/1326331126) | [VIACHESLAV ZHILTSOV](https://appshunter.io/developer/1862005860) |

## What reviewers say

### SWAM Viola Section

[App page](https://appshunter.io/ios/app/swam-viola-section/id6449464764)

**In-app purchases:** none


### SL Echo

[App page](https://appshunter.io/ios/app/sl-echo/id6797348934)

This audio effect app provides animated delay and space for musical decisions on iPad. Easily adjust time, feedback, and tone for various repeat styles, while maintaining a clear dry signal with stereo width and ducking. It supports AUv3 integration with popular music hosts.

**Highlights:** Animated delay and space effects, Adjustable time and feedback, Tone shaping controls, Stereo width and ducking, AUv3 support, Standalone preview mode, Factory and user presets

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

**In-app purchases:** none


## Frequently asked questions

### Is SWAM Viola Section free?

SWAM Viola Section costs $44.99, with no in-app purchases.

### Is SL Echo free?

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

### Do SWAM Viola Section or SL Echo have ads?

Neither SWAM Viola Section nor SL Echo shows ads.

### Which is updated more often, SWAM Viola Section or SL Echo?

SWAM Viola Section ships an update monthly, and SL Echo every 5 days. Most recently, SWAM Viola Section was updated on October 6, 2026 and SL Echo on September 30, 2026.

---

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