# Tone Generator Professional vs MasterTone

The clearest difference is in-app purchases: MasterTone at none against Tone Generator Professional's 1. MasterTone also leads on ads (none vs shown) and rating (5.0 vs 4.7). Tone Generator Professional's advantage is ratings volume (9 vs 1) and iOS requirement (15.6 vs 26.2). On price, monetization model and device support there is nothing between them.

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

MasterTone holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Tone Generator Professional has 9 ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | Tone Generator Professional | MasterTone |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (9 ratings)](https://appshunter.io/ios/app/tone-generator-professional/id1428334527/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mastertone/id6758001646/reviews)** |
| Number of ratings | **9** | 1 |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | — |
| Monetization | Paid | Paid |
| Size | 11 MB | 1 MB |
| Requires iOS | **15.6** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Pedro Daniel Macalupu Cumpen](https://appshunter.io/developer/492172409) | [TAKASHI NOSE](https://appshunter.io/developer/1869272305) |

## What reviewers say

### Tone Generator Professional

[App page](https://appshunter.io/ios/app/tone-generator-professional/id1428334527)

Create precise audio tones from 20Hz to 20,000Hz using four distinct waveforms. Adjust output volume and enjoy instant loading with a highly accurate algorithm. This universal app is compatible with external speakers and all iOS devices.

**Highlights:** Generate tones from 20Hz to 20,000Hz, Sine, Square, Triangle, and Sawtooth waveforms, Adjustable output volume, Instant load and precise algorithm, Compatible with external speakers, Universal app for iPhone, iPad, and iPod touch

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

**In-app purchases (1)**

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


### MasterTone

[App page](https://appshunter.io/ios/app/mastertone/id6758001646)

This offline audio mastering app offers simple controls for refining sound sources. It analyzes input audio to achieve practical volume and balance without complex settings, focusing on a single intensity knob for adjustments. Supports WAV and AAC exports for music production and remastering.

**Highlights:** Offline 2-pass processing, Safe/Loud modes, Single Intensity control, Peak control with soft saturation, WAV/AAC export, Complete offline operation

**In-app purchases:** none


## Frequently asked questions

### Is Tone Generator Professional free?

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

### Is MasterTone free?

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

### Which has better reviews, Tone Generator Professional or MasterTone?

MasterTone is rated higher. Tone Generator Professional averages 4.7 out of 5 from 9 ratings, while MasterTone averages 5.0 from 1 ratings.

### Do Tone Generator Professional or MasterTone have ads?

Tone Generator Professional shows ads; MasterTone does not.

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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.*