# Audio Function Generator vs Generate Frequency Sounds Hz

The clearest difference is review sentiment: Audio Function Generator at 77% against Generate Frequency Sounds Hz's 30%. Audio Function Generator also leads on rating (4.7 vs 3.6) and ads (none vs shown). Generate Frequency Sounds Hz's advantage is monetization model (ad-supported vs free with in-app purchases). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Audio Function Generator sells 1 one-off in-app purchase and Generate Frequency Sounds Hz sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Audio Function Generator holds the better App Store score, 4.7 against 3.6. That said, the two scores are not equally well evidenced: Audio Function Generator has 2.2K ratings behind it against 14, so its average is the more settled of the two. Written reviews point the same way: 77% of Audio Function Generator's written reviews are positive against 30% of Generate Frequency Sounds Hz's.

Audio Function Generator ships an update every 6 weeks, Generate Frequency Sounds Hz every 4 months. The most recent releases landed on September 24, 2026 and August 18, 2026 respectively.

## The numbers

| Metric | Audio Function Generator | Generate Frequency Sounds Hz |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (2.2K ratings)](https://appshunter.io/ios/app/audio-function-generator/id768229610/reviews)** | [3.6 (14 ratings)](https://appshunter.io/ios/app/generate-frequency-sounds-hz/id1516257706/reviews) |
| Number of ratings | **2.2K** | 14 |
| Positive reviews | **77.1% of reviews** | 30.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 6 weeks** | Every 4 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 14 MB | 8 MB |
| Requires iOS | 15.5 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Gruber](https://appshunter.io/developer/342699861) | [Kevin Ghori](https://appshunter.io/developer/1639082610) |

## What reviewers say

### Audio Function Generator

[App page](https://appshunter.io/ios/app/audio-function-generator/id768229610)

Generate various audio test tones, including sine, square, triangle, and sawtooth waves. Explore frequency and volume sweeps, noise generation, and custom preset creation. Advanced features like extended frequency ranges and multi-tone playback are available with an upgrade.

**Highlights:** Generate sine, square, triangle, and sawtooth tones, Frequency and volume sweep generation, Noise generation (white, pink, violet, etc.), Custom preset creation and saving, Extended frequency range (PRO feature), Multi-tone playback (PRO feature)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade to PRO | $9.99 | one-time |

**What reviewers like**

- 👍 Great app
- 🎶 Helps with Tinnitus
- 💯 Best app I've paid for
- 🔍 Highly recommended
- 🎨 Attention to detail

**What reviewers complain about**

- 🐛 Crashes
- 💰 Deceptive/Money hungry
- 🔒 Basic features paywalled
- 🔒 Limited without paying
- 🔒 Removed functionality to push paid version

**Reported bugs**

- Crashes on launch
- Volume slider issues
- Airplay not working
- Sound distortion when display is active

**Requested features**

- Add download/save feature for custom sounds
- Improve sweep function (continuous mode, better frequency control)
- Add more multi-frequency rows
- Implement 432Hz base frequency option
- Add phase control for noise generators


### Generate Frequency Sounds Hz

[App page](https://appshunter.io/ios/app/generate-frequency-sounds-hz/id1516257706)

Generate various sound waves and frequencies with this utility app. It offers single and multi-oscillator modes, binaural beats, and a dedicated test for bass and sub-woofers. Explore ultrasonic sounds and noise generation.

**Highlights:** Single oscillator for single frequency waves, Multi-oscillator for multiple sound waves, Binaural beats with carrier and beat frequencies, Bass/sub-woofer testing, Generate ultrasonic sound and noise

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Generate Frequency Weekly Plan | $4.99 | per 7 days |
| Generate Frequency Monthly Plan | $9.99 | per month |
| Generate Frequency Yearly Plan | $49.99 | per year |


## Frequently asked questions

### Is Audio Function Generator free?

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

### Is Generate Frequency Sounds Hz free?

Generate Frequency Sounds Hz is free to download, with in-app purchases available.

### Which has better reviews, Audio Function Generator or Generate Frequency Sounds Hz?

Audio Function Generator is rated higher. Audio Function Generator averages 4.7 out of 5 from 2.2K ratings, while Generate Frequency Sounds Hz averages 3.6 from 14 ratings.

### Do Audio Function Generator or Generate Frequency Sounds Hz have ads?

Generate Frequency Sounds Hz shows ads; Audio Function Generator does not.

### Which is updated more often, Audio Function Generator or Generate Frequency Sounds Hz?

Audio Function Generator ships an update every 6 weeks, and Generate Frequency Sounds Hz every 4 months. Most recently, Audio Function Generator was updated on September 24, 2026 and Generate Frequency Sounds Hz on August 18, 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.*