# Audio Function Generator vs SoundBox

The clearest difference is rating: Audio Function Generator at 4.7 against SoundBox's 3.9. Audio Function Generator also leads on ratings volume (2.2K vs 29). SoundBox's advantage is update cadence (every 3 days vs every 6 weeks) and iOS requirement (13.2 vs 16.0). On price, review sentiment, 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 SoundBox sells 1 in-app purchase, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Audio Function Generator holds the better App Store score, 4.7 against 3.9. That said, the two scores are not equally well evidenced: Audio Function Generator has 2.2K ratings behind it against 29, 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 70% of SoundBox's.

Audio Function Generator ships an update every 6 weeks, SoundBox every 3 days. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Audio Function Generator | SoundBox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (2.2K ratings)](https://appshunter.io/ios/app/audio-function-generator/id768229610/reviews)** | [3.9 (29 ratings)](https://appshunter.io/ios/app/soundbox-best-soundboard-app/id1511600906/reviews) |
| Number of ratings | **2.2K** | 29 |
| Positive reviews | **77.2% of reviews** | 70.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 13 MB | 19 MB |
| Requires iOS | 16.0 | **13.2** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Gruber](https://appshunter.io/developer/342699861) | [Trizi Labs, LLC](https://appshunter.io/developer/300112373) |

## 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 | $14.99 | 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


### SoundBox

[App page](https://appshunter.io/ios/app/soundbox-best-soundboard-app/id1511600906)

This app offers a vast and ever-growing library of sound effects and ambient tracks for creative projects or personal enjoyment. Users can browse, download, and even create their own custom sound snippets with various editing tools. It's designed for anyone looking to enhance audio content or simply have fun with sound.

**Highlights:** Vast cloud-based audio library, Create custom sound snippets, Import audio from cloud storage, Monthly library updates, Theme colors for tracks, Free unlimited audio downloads

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SoundBox Pro | $2.99 | per month |


## Frequently asked questions

### Is Audio Function Generator free?

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

### Is SoundBox free?

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

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

Audio Function Generator is rated higher. Audio Function Generator averages 4.7 out of 5 from 2.2K ratings, while SoundBox averages 3.9 from 29 ratings.

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

Neither Audio Function Generator nor SoundBox shows ads.

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

Audio Function Generator ships an update every 6 weeks, and SoundBox every 3 days. Most recently, Audio Function Generator was updated on November 6, 2026 and SoundBox on November 3, 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.*