# Audio Function Generator vs Vibroscope

The clearest difference is price: Audio Function Generator at Free against Vibroscope's $7.99. Audio Function Generator also leads on review sentiment (77% vs 40%) and update cadence (every 6 weeks vs every 8 months). Vibroscope's advantage is in-app purchases (none vs 1) and rating (5.0 vs 4.7). On ads there is nothing between them.

Audio Function Generator is free to download; Vibroscope costs $7.99 up front. Audio Function Generator sells 1 one-off in-app purchase. Vibroscope asks for nothing beyond the download.

Vibroscope 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. Written reviews complicate that: 77% of Audio Function Generator's written reviews are positive against 40% of Vibroscope's, so the app with the better star average is not the one people write more warmly about.

Audio Function Generator ships an update every 6 weeks, Vibroscope every 8 months. The most recent releases landed on September 26, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Audio Function Generator | Vibroscope |
| --- | --- | --- |
| Price | **Free** | $7.99 |
| 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/vibroscope/id1034169622/reviews)** |
| Number of ratings | **2.2K** | 2 |
| Positive reviews | **77.1% of reviews** | 40.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 8 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 14 MB | 1 MB |
| Requires iOS | **15.5** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Gruber](https://appshunter.io/developer/342699861) | [TOON,LLC](https://appshunter.io/developer/633948723) |

## 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


### Vibroscope

[App page](https://appshunter.io/ios/app/vibroscope/id1034169622)

This tool uses your device's accelerometer to analyze vibrations in real-time, even those inaudible to humans. It visualizes acceleration data and offers FFT analysis for frequency components, with options to log measurements.

**Highlights:** Real-time vibration measurement, Inaudible vibration detection, Two-axial coordinate display, Time-axis waveform display, FFT analyzer for frequency components, Data logging to text files, Snapshot of measurement screen

**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 Vibroscope free?

Vibroscope costs $7.99, with no in-app purchases.

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

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

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

Neither Audio Function Generator nor Vibroscope shows ads.

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

Audio Function Generator ships an update every 6 weeks, and Vibroscope every 8 months. Most recently, Audio Function Generator was updated on September 26, 2026 and Vibroscope on September 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.*