# Resonator Audio Unit vs Audio Toolbox

The clearest difference is update cadence: Audio Toolbox at every 8 months against Resonator Audio Unit's every 38 months. Resonator Audio Unit's advantage is price ($2.99 vs $3.99) and iOS requirement (10 vs 13). On rating, ratings volume, ads and in-app purchases there is nothing between them.

Resonator Audio Unit costs $2.99 and Audio Toolbox $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 Resonator Audio Unit against 5.0 for Audio Toolbox. Both are backed by a comparable volume of ratings — 3 and 7 respectively.

Resonator Audio Unit ships an update every 38 months, Audio Toolbox every 8 months. The most recent releases landed on October 7, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Resonator Audio Unit | Audio Toolbox |
| --- | --- | --- |
| Price | **$2.99** | $3.99 |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/resonator-audio-unit/id1225597875/reviews) | [5.0 (7 ratings)](https://appshunter.io/ios/app/audio-toolbox/id1353387223/reviews) |
| Number of ratings | 3 | **7** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 38 months | **Every 8 months** |
| Monetization | Paid | Paid |
| Size | 10 MB | 3 MB |
| Requires iOS | **10** | 13 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Aleksandar Mlazev](https://appshunter.io/developer/1093798140) | [4Pockets.com](https://appshunter.io/developer/370131860) |

## What reviewers say

### Resonator Audio Unit

[App page](https://appshunter.io/ios/app/resonator-audio-unit/id1225597875)

This audio effect plugin generates natural resonances to add warmth and fullness to instruments or recordings. It offers controls for acoustic body characteristics and includes an additional reverb effect for standalone use. The app utilizes unique, realistic algorithms for its sound shaping capabilities.

**Highlights:** Natural sounding resonances, Acoustic body thickness and size control, Resonance amount control, Additional reverb effect, Standalone app mode with Efx on/off

**Features:** Vision Pro support

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Resonator Audio Unit free?

Resonator Audio Unit costs $2.99, with no in-app purchases.

### Is Audio Toolbox free?

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

### Which has better reviews, Resonator Audio Unit or Audio Toolbox?

Resonator Audio Unit and Audio Toolbox are both rated 5.0 out of 5 on the App Store, from 3 and 7 ratings respectively.

### Do Resonator Audio Unit or Audio Toolbox have ads?

Neither Resonator Audio Unit nor Audio Toolbox shows ads.

### Which is updated more often, Resonator Audio Unit or Audio Toolbox?

Resonator Audio Unit ships an update every 38 months, and Audio Toolbox every 8 months. Most recently, Resonator Audio Unit was updated on October 7, 2026 and Audio Toolbox on October 24, 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.*