# Frequency Generator (Sound) vs Expert Tune

The clearest difference is review sentiment: Expert Tune at 100% against Frequency Generator (Sound)'s 50%. Expert Tune also leads on rating (5.0 vs 3.0) and in-app purchases (none vs 1). Frequency Generator (Sound)'s advantage is ratings volume (4 vs 1) and iOS requirement (13.0 vs 15.6). On price and device support there is nothing between them.

Both are free to download. Frequency Generator (Sound) sells 1 in-app purchase, starting at $0.99 per 7 days. Expert Tune asks for nothing beyond the download.

Expert Tune holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 4 and 1 respectively. Written reviews point the same way: 50% of Frequency Generator (Sound)'s written reviews are positive against 100% of Expert Tune's.

Frequency Generator (Sound) ships an update every 3 months, Expert Tune fortnightly. The most recent releases landed on September 16, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Frequency Generator (Sound) | Expert Tune |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (4 ratings)](https://appshunter.io/ios/app/frequency-generator-sound/id6596757315/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/expert-tune/id6755043396/reviews)** |
| Number of ratings | **4** | 1 |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 28 MB | 18 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NETIGEN Kluzowicz sp. j.](https://appshunter.io/developer/892331873) | [Expert Electronics Comercio e Fabricacao de Produtos Eletronicos Ltda](https://appshunter.io/developer/1103488615) |

## What reviewers say

### Frequency Generator (Sound)

[App page](https://appshunter.io/ios/app/frequency-generator-sound/id6596757315)

Generate various sound waves, from sine to triangle, with adjustable frequencies and volumes. Test speakers, tune instruments, or create multi-oscillator soundscapes. Customize your audio experience with a range of settings and themes.

**Highlights:** Generate sine, square, sawtooth, or triangle sound waves, Adjust frequency from 1Hz to 22000Hz, Control volume and balance (left/right), Multi-oscillator mode for three simultaneous sounds, Customizable frequency range slider, Low latency audio setting, Theme customization

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 week subscription | $0.99 | per 7 days |


### Expert Tune

[App page](https://appshunter.io/ios/app/expert-tune/id6755043396)

This app allows users to control, adjust, and customize their car audio systems directly from their smartphone. Achieve maximum performance and sound quality with advanced audio settings and equalization.

**Highlights:** Full control of Expert products, Advanced audio adjustments, Intuitive interface, Fast and secure updates, Direct ecosystem integration

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

**In-app purchases:** none


## Frequently asked questions

### Is Frequency Generator (Sound) free?

Frequency Generator (Sound) is free to download, with in-app purchases available.

### Is Expert Tune free?

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

### Which has better reviews, Frequency Generator (Sound) or Expert Tune?

Expert Tune is rated higher. Frequency Generator (Sound) averages 3.0 out of 5 from 4 ratings, while Expert Tune averages 5.0 from 1 ratings.

### Do Frequency Generator (Sound) or Expert Tune have ads?

Frequency Generator (Sound) shows ads; Expert Tune does not.

### Which is updated more often, Frequency Generator (Sound) or Expert Tune?

Frequency Generator (Sound) ships an update every 3 months, and Expert Tune fortnightly. Most recently, Frequency Generator (Sound) was updated on September 16, 2026 and Expert Tune on September 23, 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.*