# Audio Function Generator vs Vuforia Spatial Toolbox

The clearest difference is in-app purchases: Vuforia Spatial Toolbox at none against Audio Function Generator's 1. Vuforia Spatial Toolbox also leads on rating (5.0 vs 4.7) and update cadence (every 2 weeks vs every 6 weeks). Audio Function Generator's advantage is ratings volume (2.2K vs 8). On price, ads and device support there is nothing between them.

Both are free to download. Audio Function Generator sells 1 one-off in-app purchase. Vuforia Spatial Toolbox asks for nothing beyond the download.

Vuforia Spatial Toolbox 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 8, so its average is the more settled of the two.

Audio Function Generator ships an update every 6 weeks, Vuforia Spatial Toolbox every 2 weeks. The most recent releases landed on September 24, 2026 and June 10, 2026 respectively.

## The numbers

| Metric | Audio Function Generator | Vuforia Spatial Toolbox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (2.2K ratings)](https://appshunter.io/ios/app/audio-function-generator/id768229610/reviews) | **[5.0 (8 ratings)](https://appshunter.io/ios/app/vuforia-spatial-toolbox/id1506071001/reviews)** |
| Number of ratings | **2.2K** | 8 |
| Positive reviews | 77.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 2 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 14 MB | 359 MB |
| Requires iOS | 15.5 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Gruber](https://appshunter.io/developer/342699861) | [PTC Inc.](https://appshunter.io/developer/501201404) |

## 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


### Vuforia Spatial Toolbox

[App page](https://appshunter.io/ios/app/vuforia-spatial-toolbox/id1506071001)

This application provides a web-based interface for visualizing and interacting with data and logic from physical machines. It uses pre-built elements and spatial programming services to connect the virtual and physical worlds, enabling users to explore IoT, AR, and spatial computing concepts.

**Highlights:** Web-based user interface, Visualize physical machine data, Spatial interaction with objects, Connect virtual and physical worlds, Build logic flows and processes, Leverage virtual nodes and programming blocks

**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 Vuforia Spatial Toolbox free?

Vuforia Spatial Toolbox is free to download, with no in-app purchases.

### Which has better reviews, Audio Function Generator or Vuforia Spatial Toolbox?

Vuforia Spatial Toolbox is rated higher. Audio Function Generator averages 4.7 out of 5 from 2.2K ratings, while Vuforia Spatial Toolbox averages 5.0 from 8 ratings.

### Do Audio Function Generator or Vuforia Spatial Toolbox have ads?

Neither Audio Function Generator nor Vuforia Spatial Toolbox shows ads.

### Which is updated more often, Audio Function Generator or Vuforia Spatial Toolbox?

Audio Function Generator ships an update every 6 weeks, and Vuforia Spatial Toolbox every 2 weeks. Most recently, Audio Function Generator was updated on September 24, 2026 and Vuforia Spatial Toolbox on June 10, 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.*