# Tone Generator EM vs Tone Chroma

The clearest difference is price: Tone Generator EM at Free against Tone Chroma's $14.99. Tone Chroma's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

Tone Generator EM is free to download; Tone Chroma costs $14.99 up front. Tone Generator EM sells 1 one-off in-app purchase. Tone Chroma asks for nothing beyond the download.

## The numbers

| Metric | Tone Generator EM | Tone Chroma |
| --- | --- | --- |
| Price | **Free** | $14.99 |
| Rating | **[4.4 (36 ratings)](https://appshunter.io/ios/app/tone-generator-em-1/id1609613195/reviews)** | — |
| Number of ratings | **36** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 6 MB | 4 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [myrApps](https://appshunter.io/developer/954211898) | [William Franke](https://appshunter.io/developer/1884427860) |

## What reviewers say

### Tone Generator EM

[App page](https://appshunter.io/ios/app/tone-generator-em-1/id1609613195)

Generate sounds across a wide frequency range to test hearing, tune instruments, or experiment with audio. Easily select frequencies with a slider, adjust volume, and play tones.

**Highlights:** Generate sounds from 1Hz to 22kHz, Test hearing and audio equipment, Tune musical instruments, Intuitive frequency slider, Adjust volume, Note list with corresponding frequencies

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Lifetime Upgrade | $3.99 | one-time |


### Tone Chroma

[App page](https://appshunter.io/ios/app/tone-chroma/id6760430549)

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

**In-app purchases:** none


## Frequently asked questions

### Is Tone Generator EM free?

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

### Is Tone Chroma free?

Tone Chroma costs $14.99, with no in-app purchases.

### Do Tone Generator EM or Tone Chroma have ads?

Tone Generator EM shows ads; Tone Chroma 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.*