# Audio Function Generator vs Loopworks Measure

The clearest difference is review sentiment: Audio Function Generator at 77% against Loopworks Measure's 0%. Loopworks Measure's advantage is in-app purchases (none vs 1). On price, update cadence, ads and device support there is nothing between them.

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

Audio Function Generator ships an update every 6 weeks, Loopworks Measure every 3 months. The most recent releases landed on September 24, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Audio Function Generator | Loopworks Measure |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (2.2K ratings)](https://appshunter.io/ios/app/audio-function-generator/id768229610/reviews)** | — |
| Number of ratings | **2.2K** | — |
| Positive reviews | **77.1% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 14 MB | 9 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) | [Ampetronic Ltd](https://appshunter.io/developer/1001040998) |

## 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


### Loopworks Measure

[App page](https://appshunter.io/ios/app/loopworks-measure/id1001040999)

This app, paired with specific hardware, functions as a professional field strength meter for designing and assessing hearing loop systems. It measures magnetic field strength, background noise, and frequency response, allowing users to generate technical and certification reports.

**Highlights:** Field strength measurement, Background noise analysis, Frequency response testing, Data synchronization with online portal, Technical and certification report generation, Walk-through guides for site assessment

**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 Loopworks Measure free?

Loopworks Measure is free to download, with no in-app purchases.

### Do Audio Function Generator or Loopworks Measure have ads?

Neither Audio Function Generator nor Loopworks Measure shows ads.

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

Audio Function Generator ships an update every 6 weeks, and Loopworks Measure every 3 months. Most recently, Audio Function Generator was updated on September 24, 2026 and Loopworks Measure on September 15, 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.*