# EchoSketch vs SL Echo

The clearest difference is update cadence: EchoSketch at every 2 days against SL Echo's every 5 days. SL Echo's advantage is price ($6.99 vs $7.99) and iOS requirement (15.0 vs 17). On rating, ratings volume, ads and in-app purchases there is nothing between them.

EchoSketch costs $7.99 and SL Echo $6.99 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 EchoSketch against 5.0 for SL Echo. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

EchoSketch ships an update every 2 days, SL Echo every 5 days. The most recent releases landed on September 29, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | EchoSketch | SL Echo |
| --- | --- | --- |
| Price | $7.99 | **$6.99** |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/echosketch-performance-delay/id6794466741/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/sl-echo/id6797348934/reviews) |
| Number of ratings | **2** | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 5 days |
| Monetization | Paid | Paid |
| Size | 5 MB | 18 MB |
| Requires iOS | 17 | **15.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Avi Bortnick](https://appshunter.io/developer/421929037) | [VIACHESLAV ZHILTSOV](https://appshunter.io/developer/1862005860) |

## What reviewers say

### EchoSketch

[App page](https://appshunter.io/ios/app/echosketch-performance-delay/id6794466741)

Shape delay and reverb effects in real-time with a playable X/Y performance surface. Explore four distinct delay types and multiple reverb options, with extensive parameter control for unique sound morphing. Works as a standalone app or an Audio Unit plugin.

**Highlights:** X/Y performance surface for real-time sound shaping, Four distinct delay types: digital, analog, reverse, ping-pong, Spring, plate, and hall convolution reverb, Modulation and tone control for echoes, HOLD, LIFT, FREEZE, and MOTION performance gestures, Standalone app and AUv3 plugin compatibility

**Features:** Vision Pro support

**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 EchoSketch free?

EchoSketch costs $7.99, with no in-app purchases.

### Is SL Echo free?

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

### Which has better reviews, EchoSketch or SL Echo?

EchoSketch and SL Echo are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do EchoSketch or SL Echo have ads?

Neither EchoSketch nor SL Echo shows ads.

### Which is updated more often, EchoSketch or SL Echo?

EchoSketch ships an update every 2 days, and SL Echo every 5 days. Most recently, EchoSketch was updated on September 29, 2026 and SL Echo on September 30, 2026.

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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.*