# Audio Function Generator vs Tone Generator

The clearest difference is review sentiment: Audio Function Generator at 77% against Tone Generator's 0%. Audio Function Generator also leads on rating (4.7 vs 2.0) and ratings volume (2.2K vs 1). Tone Generator's advantage is iOS requirement (13.0 vs 16.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Audio Function Generator sells 1 one-off in-app purchase and Tone Generator sells 2 in-app purchases, starting at $3.99 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 2.0. That said, the two scores are not equally well evidenced: Audio Function Generator has 2.2K ratings behind it against 1, 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 0% of Tone Generator's.

Audio Function Generator ships an update every 6 weeks, Tone Generator monthly. The most recent releases landed on October 23, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Audio Function Generator | Tone Generator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (2.2K ratings)](https://appshunter.io/ios/app/audio-function-generator/id768229610/reviews)** | [2.0 (1 ratings)](https://appshunter.io/ios/app/tone-generator-clean-speaker/id6748205399/reviews) |
| Number of ratings | **2.2K** | 1 |
| Positive reviews | **77.2% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 13 MB | 57 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Gruber](https://appshunter.io/developer/342699861) | [ALEX IOAN MARCUS](https://appshunter.io/developer/1748638642) |

## 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


### Tone Generator

[App page](https://appshunter.io/ios/app/tone-generator-clean-speaker/id6748205399)

This app allows users to generate various audio tones and test speaker performance. It offers automatic and manual frequency sweeps, different wave modes, and stereo/mono options for comprehensive audio exploration and device verification.

**Highlights:** Automatic frequency generation, Manual frequency control, Linear, Swing, and Burst wave modes, Mono and Stereo output options, Haptic feedback integration, Microphone decibel meter, Offline functionality

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tone Premium Weekly | $3.99 | per 7 days |
| Tone Premium Yearly | $19.99 | per year |


## Frequently asked questions

### Is Audio Function Generator free?

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

### Is Tone Generator free?

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

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

Audio Function Generator is rated higher. Audio Function Generator averages 4.7 out of 5 from 2.2K ratings, while Tone Generator averages 2.0 from 1 ratings.

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

Neither Audio Function Generator nor Tone Generator shows ads.

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

Audio Function Generator ships an update every 6 weeks, and Tone Generator monthly. Most recently, Audio Function Generator was updated on October 23, 2026 and Tone Generator on October 22, 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.*