# Tone generator vs Tuning Fork Pro 20

The clearest difference is rating: Tone generator at 4.0 against Tuning Fork Pro 20's 3.0. Tone generator also leads on ratings volume (152 vs 2). Tuning Fork Pro 20's advantage is in-app purchases (none vs 3) and ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Tone generator sells 3 one-off in-app purchases. Tuning Fork Pro 20 asks for nothing beyond the download.

Tone generator holds the better App Store score, 4.0 against 3.0. That said, the two scores are not equally well evidenced: Tone generator has 152 ratings behind it against 2, so its average is the more settled of the two.

Tone generator ships an update every 5 months, Tuning Fork Pro 20 weekly. The most recent releases landed on September 28, 2026 and September 5, 2026 respectively.

## The numbers

| Metric | Tone generator | Tuning Fork Pro 20 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (152 ratings)](https://appshunter.io/ios/app/tone-generator/id457003837/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/tuning-fork-pro-20-20000hz/id6529535310/reviews) |
| Number of ratings | **152** | 2 |
| Positive reviews | 67.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Weekly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 27 MB | 6 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [michael heinz](https://appshunter.io/developer/292745639) | [Krzysztof Gwiazda](https://appshunter.io/developer/1546740383) |

## What reviewers say

### Tone generator

[App page](https://appshunter.io/ios/app/tone-generator/id457003837)

Create various periodic signals with adjustable frequency and amplitude for testing electronic circuits or tuning instruments. Features include a metronome, a real-time tuner, and options for generating different noise types and tone sequences. It also offers unique features for hearing tests and party games.

**Highlights:** Generate periodic signals, Adjustable frequency and amplitude, Integrated instrument tuner, Metronome for practice, Hearing ability tests, Generate white/pink noise, Create tone sequences

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Extra-Feature 1 | $1.99 | one-time |
| No advertising | $1.99 | one-time |
| Upgrade to full version | $3.99 | one-time |

**What reviewers like**

- 🚀 Works every time!
- 🚀 Awesome application for generating tones and studying sound
- 👍 Very useful
- 👍 Genius
- 👍 Great app to make your tones

**What reviewers complain about**

- 🐛 Doesn't go lower than 10hz
- 🔍 Ruined by ads
- 🔍 Way too many ads
- 🔍 Crashes before I can export even though I paid for the feature
- 🔍 Fake app. Buying the upgrade doesn't do anything. There is no support. You can't export like it says you can. It's a scam.

**Reported bugs**

- Doesn't go lower than 10hz
- Crashes before I can export even though I paid for the feature
- Fake app. Buying the upgrade doesn't do anything. There is no support. You can't export like it says you can. It's a scam.
- app is modified
- No tone

**Requested features**

- Wish I had a manual  that explains a couple functions
- More precise way to select the frequency
- Playing of multiple tomes
- Manually enter a frequency
- More than one voice


### Tuning Fork Pro 20

[App page](https://appshunter.io/ios/app/tuning-fork-pro-20-20000hz/id6529535310)

This utility app provides a simple and straightforward tuning fork. It allows users to generate any frequency between 20 Hz and 20,000 Hz, limited only by the device's speaker and human hearing.

**Highlights:** Adjustable frequency range (20 Hz - 20,000 Hz), Simple and easy to use interface, Generates audio tones, No complex settings

**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 Tuning Fork Pro 20 free?

Tuning Fork Pro 20 is free to download, with no in-app purchases.

### Which has better reviews, Tone generator or Tuning Fork Pro 20?

Tone generator is rated higher. Tone generator averages 4.0 out of 5 from 152 ratings, while Tuning Fork Pro 20 averages 3.0 from 2 ratings.

### Do Tone generator or Tuning Fork Pro 20 have ads?

Tone generator shows ads; Tuning Fork Pro 20 does not.

### Which is updated more often, Tone generator or Tuning Fork Pro 20?

Tone generator ships an update every 5 months, and Tuning Fork Pro 20 weekly. Most recently, Tone generator was updated on September 28, 2026 and Tuning Fork Pro 20 on September 5, 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.*