# Voice Synth vs SynthMaster One

The clearest difference is rating: SynthMaster One at 4.7 against Voice Synth's 4.1. SynthMaster One also leads on iOS requirement (10.0 vs 16.6). Voice Synth's advantage is in-app purchases (none vs 11) and price ($8.99 vs $9.99). On review sentiment, ratings volume, update cadence and ads there is nothing between them.

Voice Synth costs $8.99 and SynthMaster One $9.99 up front. SynthMaster One sells 11 one-off in-app purchases. Voice Synth asks for nothing beyond the download.

SynthMaster One holds the better App Store score, 4.7 against 4.1. Both are backed by a comparable volume of ratings — 333 and 743 respectively. Written reviews point the same way: 62% of Voice Synth's written reviews are positive against 64% of SynthMaster One's.

Voice Synth ships an update every 6 weeks, SynthMaster One every 2 months. The most recent releases landed on October 16, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Voice Synth | SynthMaster One |
| --- | --- | --- |
| Price | **$8.99** | $9.99 |
| Rating | [4.1 (333 ratings)](https://appshunter.io/ios/app/voice-synth/id490511069/reviews) | **[4.7 (743 ratings)](https://appshunter.io/ios/app/synthmaster-one/id1254353266/reviews)** |
| Number of ratings | 333 | **743** |
| Positive reviews | 62.3% of reviews | **63.8% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 66 MB | 402 MB |
| Requires iOS | 16.6 | **10.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Qneo](https://appshunter.io/developer/319839998) | [KV331 Audio](https://appshunter.io/developer/944155925) |

## What reviewers say

### Voice Synth

[App page](https://appshunter.io/ios/app/voice-synth/id490511069)

Transform your voice live with a professional audio processor and music synthesizer. Create robotic voices, harmonies, and unique soundscapes using only your voice as an instrument. Save and share your creations, or integrate them into your existing audio setup.

**Highlights:** Live voice processing, Auto Pitch and Harmonizing, Vocoder effects, Speed-Shift Sampling, Soundscape creation, Audio Unit V3 integration, Save and share presets

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🌟 Excellent sound quality
- 🎨 Powerful sound design capabilities
- 💻 Great for music production
- 🎉 Fun and creative to use

**What reviewers complain about**

- 🤯 Steep learning curve
- 🤖 Robotic/synthetic voice issues
- 🔌 Compatibility problems with other apps
- 💰 Overpriced for some users

**Reported bugs**

- Crashes and freezes
- Audio sync issues
- Unreliable live recording

**Requested features**

- Audiobus support
- Longer recording duration
- More preset options
- Improved user interface and workflow


### SynthMaster One

[App page](https://appshunter.io/ios/app/synthmaster-one/id1254353266)

This powerful wavetable synthesizer app offers an intuitive workflow for creating unique sounds. It features a rich library of wavetables, inspiring presets, and a semi-modular architecture for deep sound design. Easily sync data across devices and integrate with DAWs.

**Highlights:** Wavetable synthesis, Semi-modular architecture, 650 factory presets, AUv3 support, Cross-platform cloud sync, Real-time modulation feedback, 32-step arpeggiator/sequencer

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BigTone Club Construction Set | $4.99 | one-time |
| True Trance Sounds Volume 1 | $4.99 | one-time |
| Vandalism Future House | $4.99 | one-time |
| NatLife Retrowave Sounds Vol.1 | $4.99 | one-time |
| Demis Hellen Euphoric Trance | $4.99 | one-time |
| Venus Theory Trap Sounds | $4.99 | one-time |
| Vandalism Shocking Future Bass | $4.99 | one-time |
| NatLife Progressive&Deep Vol.1 | $4.99 | one-time |
| Bluffmunkey Cinematic Sounds | $4.99 | one-time |
| Desktop Presets Upgrade | $7.99 | one-time |
| SM One Expansions Bundle | $24.99 | one-time |

**What reviewers like**

- 🚀 Powerful synth engine
- 👍 Extensive preset library
- 🎨 Versatile sound design capabilities
- 💡 Free desktop version expansions on iPad
- 🎹 Excellent sound quality and tone

**What reviewers complain about**

- 🐛 Crashes and stability issues
- 🔋 Battery drain in background
- 🤔 Confusing in-app purchase system
- 👎 UI/UX could use improvement
- 🔇 Audio issues and no sound

**Reported bugs**

- Stuck notes and MIDI issues
- Preset loading crashes
- Restore purchases not working
- Incompatibility with certain DAWs

**Requested features**

- Add custom wavetable support
- Improve MIDI mapping and MPE functionality
- Optimize performance on older devices
- Streamline preset management and browsing


## Frequently asked questions

### Is Voice Synth free?

Voice Synth costs $8.99, with no in-app purchases.

### Is SynthMaster One free?

SynthMaster One costs $9.99, and also offers in-app purchases.

### Which has better reviews, Voice Synth or SynthMaster One?

SynthMaster One is rated higher. Voice Synth averages 4.1 out of 5 from 333 ratings, while SynthMaster One averages 4.7 from 743 ratings.

### Do Voice Synth or SynthMaster One have ads?

Neither Voice Synth nor SynthMaster One shows ads.

### Which is updated more often, Voice Synth or SynthMaster One?

Voice Synth ships an update every 6 weeks, and SynthMaster One every 2 months. Most recently, Voice Synth was updated on October 16, 2026 and SynthMaster One on October 14, 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.*