# Tone Generator EM vs Frequency Generator (Sound)

The clearest difference is review sentiment: Frequency Generator (Sound) at 50% against Tone Generator EM's 0%. Tone Generator EM's advantage is rating (4.4 vs 3.2) and ratings volume (36 vs 6). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Tone Generator EM sells 1 one-off in-app purchase and Frequency Generator (Sound) sells 1 in-app purchase, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Tone Generator EM holds the better App Store score, 4.4 against 3.2. That said, the two scores are not equally well evidenced: Tone Generator EM has 36 ratings behind it against 6, so its average is the more settled of the two. Written reviews complicate that: 0% of Tone Generator EM's written reviews are positive against 50% of Frequency Generator (Sound)'s, so the app with the better star average is not the one people write more warmly about.

Tone Generator EM ships an update every 2 months, Frequency Generator (Sound) every 3 months. The most recent releases landed on October 27, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Tone Generator EM | Frequency Generator (Sound) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (36 ratings)](https://appshunter.io/ios/app/tone-generator-em-1/id1609613195/reviews)** | [3.2 (6 ratings)](https://appshunter.io/ios/app/frequency-generator-sound/id6596757315/reviews) |
| Number of ratings | **36** | 6 |
| Positive reviews | 0.0% of reviews | **50.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 6 MB | 28 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [myrApps](https://appshunter.io/developer/954211898) | [NETIGEN Kluzowicz sp. j.](https://appshunter.io/developer/892331873) |

## 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 |


### 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 |


## Frequently asked questions

### Is Tone Generator EM free?

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

### Is Frequency Generator (Sound) free?

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

### Which has better reviews, Tone Generator EM or Frequency Generator (Sound)?

Tone Generator EM is rated higher. Tone Generator EM averages 4.4 out of 5 from 36 ratings, while Frequency Generator (Sound) averages 3.2 from 6 ratings.

### Do Tone Generator EM or Frequency Generator (Sound) have ads?

Both Tone Generator EM and Frequency Generator (Sound) show ads.

### Which is updated more often, Tone Generator EM or Frequency Generator (Sound)?

Tone Generator EM ships an update every 2 months, and Frequency Generator (Sound) every 3 months. Most recently, Tone Generator EM was updated on October 27, 2026 and Frequency Generator (Sound) on October 21, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*