# SL Echo vs Kinetic by folina

The clearest difference is price: Kinetic by folina at $3.99 against SL Echo's $6.99. Kinetic by folina also leads on chart position (#192 vs unranked). On rating, ratings volume, ads and in-app purchases there is nothing between them.

SL Echo costs $6.99 and Kinetic by folina $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for SL Echo against 5.0 for Kinetic by folina. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

## The numbers

| Metric | SL Echo | Kinetic by folina |
| --- | --- | --- |
| Price | $6.99 | **$3.99** |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/sl-echo/id6797348934/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/kinetic-by-folina/id6798481024/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | — |
| Monetization | Paid | Paid |
| Best chart rank | — | **#192** |
| Size | 18 MB | 15 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [VIACHESLAV ZHILTSOV](https://appshunter.io/developer/1862005860) | [Jeremy Phillips](https://appshunter.io/developer/6777857703) |

## What reviewers say

### 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


### Kinetic by folina

[App page](https://appshunter.io/ios/app/kinetic-by-folina/id6798481024)

**Currently charting:** #192 Top Paid · Music (US App Store)

This app creates dynamic, evolving audio performances by generating continuous movement in filters, stereo position, and tonal balance. It offers six unique movement engines and intuitive controls to make sounds feel alive without obvious modulation.

**Highlights:** Generates evolving audio movement, Six unique movement engines, Organic modulation without repetition, Stereo and spatial animation, Dynamic tonal evolution, Intuitive character-first interface

**In-app purchases:** none


## Frequently asked questions

### Is SL Echo free?

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

### Is Kinetic by folina free?

Kinetic by folina costs $3.99, with no in-app purchases.

### Which has better reviews, SL Echo or Kinetic by folina?

SL Echo and Kinetic by folina are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do SL Echo or Kinetic by folina have ads?

Neither SL Echo nor Kinetic by folina 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.*