# Audio Toolbox vs EchoSketch

The clearest difference is update cadence: EchoSketch at every 2 days against Audio Toolbox's every 8 months. Audio Toolbox's advantage is price ($3.99 vs $7.99) and ratings volume (7 vs 2). On rating, ads, in-app purchases and monetization model there is nothing between them.

Audio Toolbox costs $3.99 and EchoSketch $7.99 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 Audio Toolbox against 5.0 for EchoSketch. Both are backed by a comparable volume of ratings — 7 and 2 respectively.

Audio Toolbox ships an update every 8 months, EchoSketch every 2 days. The most recent releases landed on October 3, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Audio Toolbox | EchoSketch |
| --- | --- | --- |
| Price | **$3.99** | $7.99 |
| Rating | [5.0 (7 ratings)](https://appshunter.io/ios/app/audio-toolbox/id1353387223/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/echosketch-performance-delay/id6794466741/reviews) |
| Number of ratings | **7** | 2 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 2 days** |
| Monetization | Paid | Paid |
| Size | 3 MB | 5 MB |
| Requires iOS | **13** | 17 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [4Pockets.com](https://appshunter.io/developer/370131860) | [Avi Bortnick](https://appshunter.io/developer/421929037) |

## What reviewers say

### Audio Toolbox

[App page](https://appshunter.io/ios/app/audio-toolbox/id1353387223)

This app provides a comprehensive suite of audio analysis tools, including a tone generator, oscilloscope, and FFT analysis engine. It allows users to create and analyze various waveforms, detect frequencies, and tune instruments with high accuracy.

**Highlights:** Tone Generator (20Hz-22KHz), Multiple Waveform Options, Fast Fourier Analysis, Audio Oscilloscope, Frequency and Note Detection, SPL Meter with LEQ, CSV Data Export

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Audio Toolbox free?

Audio Toolbox costs $3.99, with no in-app purchases.

### Is EchoSketch free?

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

### Which has better reviews, Audio Toolbox or EchoSketch?

Audio Toolbox and EchoSketch are both rated 5.0 out of 5 on the App Store, from 7 and 2 ratings respectively.

### Do Audio Toolbox or EchoSketch have ads?

Neither Audio Toolbox nor EchoSketch shows ads.

### Which is updated more often, Audio Toolbox or EchoSketch?

Audio Toolbox ships an update every 8 months, and EchoSketch every 2 days. Most recently, Audio Toolbox was updated on October 3, 2026 and EchoSketch on September 29, 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.*