# Audio Function Generator PRO vs MultiTone Generator PRO

The clearest difference is monetization model: Audio Function Generator PRO at free against MultiTone Generator PRO's paid. MultiTone Generator PRO's advantage is chart position (#196 vs unranked). On price, rating, review sentiment and ratings volume there is nothing between them.

Audio Function Generator PRO costs $9.99 and MultiTone Generator PRO $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.8 for Audio Function Generator PRO against 4.9 for MultiTone Generator PRO. Both are backed by a comparable volume of ratings — 269 and 99 respectively. Written reviews are what separate them: 88% of Audio Function Generator PRO's written reviews are positive against 83% of MultiTone Generator PRO's.

Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on September 21, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Audio Function Generator PRO | MultiTone Generator PRO |
| --- | --- | --- |
| Price | $9.99 | $9.99 |
| Rating | [4.8 (269 ratings)](https://appshunter.io/ios/app/audio-function-generator-pro/id895074703/reviews) | **[4.9 (99 ratings)](https://appshunter.io/ios/app/multitone-generator-pro/id1143928697/reviews)** |
| Number of ratings | **269** | 99 |
| Positive reviews | **87.9% of reviews** | 83.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | Every 6 weeks |
| Monetization | **Free** | Paid |
| Best chart rank | — | **#196** |
| Size | 13 MB | 9 MB |
| Requires iOS | 15.5 | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Gruber](https://appshunter.io/developer/342699861) | [Thomas Gruber](https://appshunter.io/developer/342699861) |

## What reviewers say

### Audio Function Generator PRO

[App page](https://appshunter.io/ios/app/audio-function-generator-pro/id895074703)

Generate various audio test tones, including sine, square, and sawtooth waves. Explore frequency and volume sweeps, custom presets, and different types of noise. Advanced settings allow for fine-tuning signal parameters and creating complex multi-tone sequences.

**Highlights:** Generate sine, square, triangular, and sawtooth tones, Frequency and volume sweep generation, Customizable presets and configurations, Multiple noise types (White, Pink, Violet, etc.), Advanced signal parameter control, Multi-tone and dual function generation

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- ✨ Superb craftsmanship and work
- 🚀 Excellent performance on older devices
- 💡 History feature is a great addition
- 👍 Versatile and powerful app
- 🎶 Great for binaural beats and sound creation

**What reviewers complain about**

- 📉 Linear sweep is useless
- ❓ Missing PWM functionality
- ❓ Missing Terzrauschen (third-octave noise)
- 🐛 Volume button issues
- 🐛 GUI is bad

**Reported bugs**

- Volume button issues (jumps up and down, displays wrong level)
- Update crashes on iPad Air2 when changing screens
- App opens AppStore repeatedly after purchase
- Buttons don't respond, settings don't keep
- Frequencies stick, program is useless

**Requested features**

- Logarithmic sweeps and frequency slider scale
- PWM functionality
- Terzrauschen (third-octave noise)
- Ping-pong sweeps in Multitone windows
- Sweeping of noise/adding noise in Multitone sweep with sweeping bandpass filter


### MultiTone Generator PRO

[App page](https://appshunter.io/ios/app/multitone-generator-pro/id1143928697)

**Currently charting:** #196 Top Paid · Music (US App Store)

Generate and combine up to 16 different audio tones, including sine, rectangular, triangular, and sawtooth waves. Create frequency sweeps in both directions and play white or pink noise. This intuitive tool offers customizable ranges and sweep times for various audio testing needs.

**Highlights:** Create up to 16 tone combinations, Play sine, rectangular, triangular, and sawtooth waves, Generate frequency sweeps (min-max and max-min), Sweep repeat/wobble function, Play white and pink noise, Customizable frequency and sweep time ranges

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Audio Function Generator PRO free?

Audio Function Generator PRO costs $9.99, with no in-app purchases.

### Is MultiTone Generator PRO free?

MultiTone Generator PRO costs $9.99, with no in-app purchases.

### Which has better reviews, Audio Function Generator PRO or MultiTone Generator PRO?

MultiTone Generator PRO is rated higher. Audio Function Generator PRO averages 4.8 out of 5 from 269 ratings, while MultiTone Generator PRO averages 4.9 from 99 ratings.

### Do Audio Function Generator PRO or MultiTone Generator PRO have ads?

Neither Audio Function Generator PRO nor MultiTone Generator PRO shows ads.

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

Audio Function Generator PRO ships an update every 6 weeks, and MultiTone Generator PRO every 6 weeks. Most recently, Audio Function Generator PRO was updated on September 21, 2026 and MultiTone Generator PRO on September 15, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*