# Addictive Synth vs SynthMaster One

The clearest difference is in-app purchases: Addictive Synth at none against SynthMaster One's 11. Addictive Synth also leads on review sentiment (78% vs 64%) and price ($6.99 vs $9.99). SynthMaster One's advantage is ratings volume (743 vs 15) and rating (4.7 vs 4.5). On update cadence and ads there is nothing between them.

Addictive Synth costs $6.99 and SynthMaster One $9.99 up front. SynthMaster One sells 11 one-off in-app purchases. Addictive Synth asks for nothing beyond the download.

SynthMaster One holds the better App Store score, 4.7 against 4.5. That said, the two scores are not equally well evidenced: SynthMaster One has 743 ratings behind it against 15, so its average is the more settled of the two. Written reviews complicate that: 78% of Addictive Synth's written reviews are positive against 64% of SynthMaster One's, so the app with the better star average is not the one people write more warmly about.

Addictive Synth ships an update every 4 months, SynthMaster One every 2 months. The most recent releases landed on September 29, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Addictive Synth | SynthMaster One |
| --- | --- | --- |
| Price | **$6.99** | $9.99 |
| Rating | [4.5 (15 ratings)](https://appshunter.io/ios/app/addictive-synth/id447072653/reviews) | **[4.7 (743 ratings)](https://appshunter.io/ios/app/synthmaster-one/id1254353266/reviews)** |
| Number of ratings | 15 | **743** |
| Positive reviews | **78.1% of reviews** | 63.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 47 MB | 402 MB |
| Requires iOS | **6.0** | 10.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Harry Gohs](https://appshunter.io/developer/382428644) | [KV331 Audio](https://appshunter.io/developer/944155925) |

## What reviewers say

### Addictive Synth

[App page](https://appshunter.io/ios/app/addictive-synth/id447072653)

Create unique sounds and driving loops with a powerful wavetable synthesizer. Explore a vast sonic universe with dynamic oscillators, spectral noise generation, and intelligent randomizers. Play live with an onscreen keyboard or connect a MIDI controller.

**Highlights:** Dynamic wavetable synthesis, Spectral noise generator, Intelligent randomizer for sounds and arpeggios, Onscreen keyboard with live playing capabilities, MIDI keyboard compatibility, Programmable arpeggiator, Audiobus and Inter-app audio support

**In-app purchases:** none

**What reviewers like**

- 🎵 Unique additive synthesis sound palette
- 🎛️ Intuitive and clean interface design
- 🎲 Randomizer/dice feature for creative exploration
- 🎹 Excellent arpeggiator with extensive customization
- ✏️ Ability to draw custom waveforms and filters

**What reviewers complain about**

- 🔊 Harsh, metallic, or shrill sound character
- 🐛 Crashes on certain iOS versions
- ⏱️ Tempo drift and synchronization issues
- 🎹 Small, difficult-to-use on-screen controls
- 📡 Poor MIDI latency and responsiveness

**Reported bugs**

- App crashes upon opening on iOS 15.1
- Static/audio glitches on startup
- Keyboard width inconsistency across pages
- Stuck notes with external MIDI controllers
- Audio playback at 2x speed when pasting from certain apps

**Requested features**

- MIDI learn functionality
- Audiobus and IAA sync support
- MIDI clock/start/stop synchronization
- Ableton Link integration
- White/pink noise generator


### 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 Addictive Synth free?

Addictive Synth costs $6.99, with no in-app purchases.

### Is SynthMaster One free?

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

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

SynthMaster One is rated higher. Addictive Synth averages 4.5 out of 5 from 15 ratings, while SynthMaster One averages 4.7 from 743 ratings.

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

Neither Addictive Synth nor SynthMaster One shows ads.

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

Addictive Synth ships an update every 4 months, and SynthMaster One every 2 months. Most recently, Addictive Synth was updated on September 29, 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.*