# The Audio Toolbox vs Signal Generator

The clearest difference is update cadence: The Audio Toolbox at every 2 months against Signal Generator's every 15 months. The Audio Toolbox also leads on rating (4.9 vs 4.6) and ratings volume (33 vs 10). Signal Generator's advantage is price ($0.99 vs $3.99) and iOS requirement (11.0 vs 14.0). On review sentiment, ads, in-app purchases and monetization model there is nothing between them.

The Audio Toolbox costs $3.99 and Signal Generator $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

The Audio Toolbox holds the better App Store score, 4.9 against 4.6. Both are backed by a comparable volume of ratings — 33 and 10 respectively. Written reviews point the same way: 89% of The Audio Toolbox's written reviews are positive against 86% of Signal Generator's.

The Audio Toolbox ships an update every 2 months, Signal Generator every 15 months. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | The Audio Toolbox | Signal Generator |
| --- | --- | --- |
| Price | $3.99 | **$0.99** |
| Rating | **[4.9 (33 ratings)](https://appshunter.io/ios/app/the-audio-toolbox/id1063704615/reviews)** | [4.6 (10 ratings)](https://appshunter.io/ios/app/signal-generator-wave/id1309709776/reviews) |
| Number of ratings | **33** | 10 |
| Positive reviews | **88.9% of reviews** | 85.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 15 months |
| Monetization | Paid | Paid |
| Size | 8 MB | 2 MB |
| Requires iOS | 14.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Innovate Audio LTD](https://appshunter.io/developer/1063704614) | [龙刚 李](https://appshunter.io/developer/1241843884) |

## What reviewers say

### The Audio Toolbox

[App page](https://appshunter.io/ios/app/the-audio-toolbox/id1063704615)

This utility suite offers live sound engineers a collection of eight specialized tools. Features include QLab control, MIDI testing and pad functionality, delay time calculation, time manipulation, angle recording, RF transmitter management, and a metronome clicker.

**Highlights:** QLab remote control, MIDI message testing and sending, Delay time calculation, Time arithmetic with frame rates, Speaker angle recording, RF transmitter data management, Built-in metronome clicker

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Signal Generator

[App page](https://appshunter.io/ios/app/signal-generator-wave/id1309709776)

Generate high-quality audio signals including sine, square, triangle, sawtooth waves, and white/pink noise. Ideal for testing audio systems, frequency response, and hearing capabilities.

**Highlights:** Sine wave generation, Square wave generation, White noise generation, Pink noise generation, Two-channel phase difference waves, Audio frequency response testing, Hearing test capabilities

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is The Audio Toolbox free?

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

### Is Signal Generator free?

Signal Generator costs $0.99, with no in-app purchases.

### Which has better reviews, The Audio Toolbox or Signal Generator?

The Audio Toolbox is rated higher. The Audio Toolbox averages 4.9 out of 5 from 33 ratings, while Signal Generator averages 4.6 from 10 ratings.

### Do The Audio Toolbox or Signal Generator have ads?

Neither The Audio Toolbox nor Signal Generator shows ads.

### Which is updated more often, The Audio Toolbox or Signal Generator?

The Audio Toolbox ships an update every 2 months, and Signal Generator every 15 months. Most recently, The Audio Toolbox was updated on November 6, 2026 and Signal Generator on November 2, 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.*