# Tone Generator vs Nellin controllers

The clearest difference is in-app purchases: Nellin controllers at none against Tone Generator's 1. Nellin controllers also leads on ads (none vs shown) and update cadence (daily vs every 4 months). On price, device support and iOS requirement there is nothing between them.

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

Tone Generator ships an update every 4 months, Nellin controllers daily. The most recent releases landed on October 15, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Tone Generator | Nellin controllers |
| --- | --- | --- |
| 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 | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 6 MB | 38 MB |
| Requires iOS | **16.0** | 16.4 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Tevfik Yucek](https://appshunter.io/developer/566982862) | [Aleksandr Liashov](https://appshunter.io/developer/1881074623) |

## 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 |


### Nellin controllers

[App page](https://appshunter.io/ios/app/nellin-controllers/id6801412782)

**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 Nellin controllers free?

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

### Do Tone Generator or Nellin controllers have ads?

Tone Generator shows ads; Nellin controllers does not.

### Which is updated more often, Tone Generator or Nellin controllers?

Tone Generator ships an update every 4 months, and Nellin controllers daily. Most recently, Tone Generator was updated on October 15, 2026 and Nellin controllers on October 12, 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.*