# MultiTone Generator PRO vs AudioKit Synth One Synthesizer

The clearest difference is price: AudioKit Synth One Synthesizer at Free against MultiTone Generator PRO's $9.99. AudioKit Synth One Synthesizer also leads on ratings volume (27K vs 103) and review sentiment (95% vs 83%). On rating, update cadence, ads and in-app purchases there is nothing between them.

AudioKit Synth One Synthesizer is free to download; MultiTone Generator PRO costs $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 — 4.9 for MultiTone Generator PRO against 4.9 for AudioKit Synth One Synthesizer. That said, the two scores are not equally well evidenced: AudioKit Synth One Synthesizer has 27K ratings behind it against 103, so its average is the more settled of the two. Written reviews are what separate them: 83% of MultiTone Generator PRO's written reviews are positive against 95% of AudioKit Synth One Synthesizer's.

MultiTone Generator PRO ships an update every 6 weeks, AudioKit Synth One Synthesizer monthly. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | MultiTone Generator PRO | AudioKit Synth One Synthesizer |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | [4.9 (103 ratings)](https://appshunter.io/ios/app/multitone-generator-pro/id1143928697/reviews) | **[4.9 (27K ratings)](https://appshunter.io/ios/app/audiokit-synth-one-synthesizer/id1371050497/reviews)** |
| Number of ratings | 103 | **27K** |
| Positive reviews | 83.3% of reviews | **94.5% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | Paid | **Free** |
| Size | 9 MB | 34 MB |
| Requires iOS | 15.5 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Gruber](https://appshunter.io/developer/342699861) | [AudioKit Pro](https://appshunter.io/developer/1307785645) |

## What reviewers say

### MultiTone Generator PRO

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

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


### AudioKit Synth One Synthesizer

[App page](https://appshunter.io/ios/app/audiokit-synth-one-synthesizer/id1371050497)

This is a free, open-source professional synthesizer app for iOS devices. It offers over 300 presets, MIDI support, a sequencer, and vintage-inspired filters. Learn music production basics and create your own sounds.

**Highlights:** Over 300+ Presets, MIDI Support, Vintage-Style Sequencer, Analog Filters, Expressive Arpeggiators, Open-Source

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 😎 Easy to use
- 🔥 Clean patches
- 👍 Awesome synth
- 🎸 Works great with GarageBand
- 🤩 Absolutely stunning

**What reviewers complain about**

- 🤔 No AU support yet
- 🤔 Crashes with Audiobus 3
- 🤔 Poor palette of sounds
- 🤔 Mod wheel issues
- 🤔 Occasional crashes

**Reported bugs**

- Login screen freezes
- Incompatible with older devices
- Keyboard issues on iPhone
- Crashes with Audiobus 3
- Mod wheel issues

**Requested features**

- Add AU support
- Add just intonation feature
- Add dotted-8th-note delay option
- Add more sound packs
- Add drum machine/sequencing capabilities


## Frequently asked questions

### Is MultiTone Generator PRO free?

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

### Is AudioKit Synth One Synthesizer free?

AudioKit Synth One Synthesizer is free to download, with no in-app purchases.

### Which has better reviews, MultiTone Generator PRO or AudioKit Synth One Synthesizer?

AudioKit Synth One Synthesizer is rated higher. MultiTone Generator PRO averages 4.9 out of 5 from 103 ratings, while AudioKit Synth One Synthesizer averages 4.9 from 27K ratings.

### Do MultiTone Generator PRO or AudioKit Synth One Synthesizer have ads?

Neither MultiTone Generator PRO nor AudioKit Synth One Synthesizer shows ads.

### Which is updated more often, MultiTone Generator PRO or AudioKit Synth One Synthesizer?

MultiTone Generator PRO ships an update every 6 weeks, and AudioKit Synth One Synthesizer monthly. Most recently, MultiTone Generator PRO was updated on October 23, 2026 and AudioKit Synth One Synthesizer on October 24, 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.*