# Audio Toolbox vs SideChain AUv3

The clearest difference is update cadence: SideChain AUv3 at every 3 days against Audio Toolbox's every 8 months. SideChain AUv3 also leads on price ($2.99 vs $3.99). Audio Toolbox's advantage is ratings volume (7 vs 1) and iOS requirement (13 vs 15.0). On rating, ads, in-app purchases and monetization model there is nothing between them.

Audio Toolbox costs $3.99 and SideChain AUv3 $2.99 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 SideChain AUv3. That said, the two scores are not equally well evidenced: Audio Toolbox has 7 ratings behind it against 1, so its average is the more settled of the two.

Audio Toolbox ships an update every 8 months, SideChain AUv3 every 3 days. The most recent releases landed on October 3, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Audio Toolbox | SideChain AUv3 |
| --- | --- | --- |
| Price | $3.99 | **$2.99** |
| Rating | [5.0 (7 ratings)](https://appshunter.io/ios/app/audio-toolbox/id1353387223/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/sidechain-auv3/id6761114332/reviews) |
| Number of ratings | **7** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 3 days** |
| Monetization | Paid | Paid |
| Size | 3 MB | 16 MB |
| Requires iOS | **13** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [4Pockets.com](https://appshunter.io/developer/370131860) | [Scale Degrees LTD](https://appshunter.io/developer/1255001566) |

## 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


### SideChain AUv3

[App page](https://appshunter.io/ios/app/sidechain-auv3/id6761114332)

Create a classic EDM pumping effect with tempo-synced volume ducking. This app offers full parameter control for automation and allows saving/loading custom presets. Fine-tune your audio envelope with adjustable floor, delay, curve, and release settings.

**Highlights:** Tempo-synced volume ducking, Full parameter automation, Save and load presets, Adjustable ADSR envelope controls, EDM pumping effect

**In-app purchases:** none


## Frequently asked questions

### Is Audio Toolbox free?

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

### Is SideChain AUv3 free?

SideChain AUv3 costs $2.99, with no in-app purchases.

### Which has better reviews, Audio Toolbox or SideChain AUv3?

Audio Toolbox and SideChain AUv3 are both rated 5.0 out of 5 on the App Store, from 7 and 1 ratings respectively.

### Do Audio Toolbox or SideChain AUv3 have ads?

Neither Audio Toolbox nor SideChain AUv3 shows ads.

### Which is updated more often, Audio Toolbox or SideChain AUv3?

Audio Toolbox ships an update every 8 months, and SideChain AUv3 every 3 days. Most recently, Audio Toolbox was updated on October 3, 2026 and SideChain AUv3 on October 6, 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.*