# Tone Generator vs DSP MASTER

The clearest difference is in-app purchases: DSP MASTER at none against Tone Generator's 1. DSP MASTER also leads on ads (none vs shown) and iOS requirement (9.0 vs 16.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Tone Generator sells 1 one-off in-app purchase. DSP MASTER asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on September 22, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Tone Generator | DSP MASTER |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (138 ratings)](https://appshunter.io/ios/app/tone-generator-frequency-app/id1561496708/reviews)** | — |
| Number of ratings | **138** | — |
| Positive reviews | 83.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | Every 4 months |
| Monetization | Free with in-app purchases | — |
| Size | 6 MB | 6 MB |
| Requires iOS | 16.0 | **9.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Tevfik Yucek](https://appshunter.io/developer/566982862) | [Audio Design](https://appshunter.io/developer/1579008816) |

## What reviewers say

### Tone Generator

[App page](https://appshunter.io/ios/app/tone-generator-frequency-app/id1561496708)

Generate various audio tones like sine, square, sawtooth, and triangle waves across a wide frequency range. Adjust frequencies by swiping and utilize built-in features for fun hearing tests or to clean your device's speaker.

**Highlights:** Sine, square, sawtooth, triangle wave generation, Adjustable frequency via swipe, Built-in hearing test sweep, Speaker cleaning function, Large frequency range

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Advertisements | $2.99 | one-time |


### DSP MASTER

[App page](https://appshunter.io/ios/app/dsp-master/id6502436875)

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

**In-app purchases:** none


## Frequently asked questions

### Is Tone Generator free?

Tone Generator is free to download, with in-app purchases available.

### Is DSP MASTER free?

DSP MASTER is free to download, with no in-app purchases.

### Do Tone Generator or DSP MASTER have ads?

Tone Generator shows ads; DSP MASTER does not.

### Which is updated more often, Tone Generator or DSP MASTER?

Tone Generator ships an update every 4 months, and DSP MASTER every 4 months. Most recently, Tone Generator was updated on September 22, 2026 and DSP MASTER on September 17, 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.*