# Tone Generator vs Expert RLINE

The clearest difference is rating: Tone Generator at 4.8 against Expert RLINE's 4.0. Tone Generator also leads on ratings volume (139 vs 2). Expert RLINE's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price and device support there is nothing between them.

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

Tone Generator holds the better App Store score, 4.8 against 4.0. That said, the two scores are not equally well evidenced: Tone Generator has 139 ratings behind it against 2, so its average is the more settled of the two.

Tone Generator ships an update every 4 months, Expert RLINE every 6 weeks. The most recent releases landed on October 23, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Tone Generator | Expert RLINE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (139 ratings)](https://appshunter.io/ios/app/tone-generator-frequency-app/id1561496708/reviews)** | [4.0 (2 ratings)](https://appshunter.io/ios/app/expert-rline/id1641921990/reviews) |
| Number of ratings | **139** | 2 |
| Positive reviews | 83.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 6 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 6 MB | 34 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Tevfik Yucek](https://appshunter.io/developer/566982862) | [Expert Electronics Comercio e Fabricacao de Produtos Eletronicos Ltda](https://appshunter.io/developer/1103488615) |

## 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 |


### Expert RLINE

[App page](https://appshunter.io/ios/app/expert-rline/id1641921990)

This application manages PX1-R and PX2-R modules. It provides control and monitoring for these specific electronic components. Designed for users who work with Expert Electronics hardware.

**Highlights:** Module management, PX1-R module support, PX2-R module support, Electronic component control, Hardware monitoring

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Tone Generator free?

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

### Is Expert RLINE free?

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

### Which has better reviews, Tone Generator or Expert RLINE?

Tone Generator is rated higher. Tone Generator averages 4.8 out of 5 from 139 ratings, while Expert RLINE averages 4.0 from 2 ratings.

### Do Tone Generator or Expert RLINE have ads?

Tone Generator shows ads; Expert RLINE does not.

### Which is updated more often, Tone Generator or Expert RLINE?

Tone Generator ships an update every 4 months, and Expert RLINE every 6 weeks. Most recently, Tone Generator was updated on October 23, 2026 and Expert RLINE on October 27, 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.*