# Audio Function Generator vs Frequency Generator

The clearest difference is in-app purchases: Frequency Generator at none against Audio Function Generator's 1. Frequency Generator also leads on update cadence (every 6 days vs every 6 weeks) and rating (5.0 vs 4.7). Audio Function Generator's advantage is ratings volume (2.2K vs 2). On price, ads, 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. Frequency Generator asks for nothing beyond the download.

Frequency Generator holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Audio Function Generator has 2.2K ratings behind it against 2, so its average is the more settled of the two.

Audio Function Generator ships an update every 6 weeks, Frequency Generator every 6 days. The most recent releases landed on October 23, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Audio Function Generator | Frequency Generator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (2.2K ratings)](https://appshunter.io/ios/app/audio-function-generator/id768229610/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/frequency-generator-waves/id6762630692/reviews)** |
| Number of ratings | **2.2K** | 2 |
| Positive reviews | 77.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 6 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 13 MB | 23 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Gruber](https://appshunter.io/developer/342699861) | [Dejan Atanasov](https://appshunter.io/developer/898725969) |

## 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


### Frequency Generator

[App page](https://appshunter.io/ios/app/frequency-generator-waves/id6762630692)

This app generates pure tones and binaural beats for focus, relaxation, or sleep. It also functions as a real-time sound analyzer, identifying musical notes and visualizing sound levels. Save and reuse your favorite settings with a clean, intuitive interface.

**Highlights:** Generate pure tones (1 Hz - 20,000 Hz), Create custom binaural beats, Real-time sound frequency detection, Identify musical notes, Visualize sound levels, Save and reuse presets

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

**In-app purchases:** none


## Frequently asked questions

### Is Audio Function Generator free?

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

### Is Frequency Generator free?

Frequency Generator is free to download, with no in-app purchases.

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

Frequency Generator is rated higher. Audio Function Generator averages 4.7 out of 5 from 2.2K ratings, while Frequency Generator averages 5.0 from 2 ratings.

### Do Audio Function Generator or Frequency Generator have ads?

Neither Audio Function Generator nor Frequency Generator shows ads.

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

Audio Function Generator ships an update every 6 weeks, and Frequency Generator every 6 days. Most recently, Audio Function Generator was updated on October 23, 2026 and Frequency Generator on October 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.*