# SynthMaster Player vs Motion Synth

The clearest difference is rating: SynthMaster Player at 4.4 against Motion Synth's 3.5. Motion Synth's advantage is in-app purchases (none vs 13) and review sentiment (73% vs 52%). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. SynthMaster Player sells 13 one-off in-app purchases. Motion Synth asks for nothing beyond the download.

SynthMaster Player holds the better App Store score, 4.4 against 3.5. Both are backed by a comparable volume of ratings — 55 and 40 respectively. Written reviews complicate that: 52% of SynthMaster Player's written reviews are positive against 73% of Motion Synth's, so the app with the better star average is not the one people write more warmly about.

SynthMaster Player ships an update every 3 months, Motion Synth every 4 months. The most recent releases landed on September 24, 2026 and June 11, 2026 respectively.

## The numbers

| Metric | SynthMaster Player | Motion Synth |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (55 ratings)](https://appshunter.io/ios/app/synthmaster-player/id944155926/reviews)** | [3.5 (40 ratings)](https://appshunter.io/ios/app/motion-synth/id945266624/reviews) |
| Number of ratings | **55** | 40 |
| Positive reviews | 52.1% of reviews | **73.3% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 308 MB | 48 MB |
| Requires iOS | 11.0 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [KV331 Audio](https://appshunter.io/developer/944155925) | [AUUG](https://appshunter.io/developer/945266623) |

## What reviewers say

### SynthMaster Player

[App page](https://appshunter.io/ios/app/synthmaster-player/id944155926)

This mobile synthesizer app provides a vast library of sounds for music production. It allows users to play presets, make limited edits, and access additional sound banks through in-app purchases. It integrates with other music apps and offers a built-in keyboard for immediate playability.

**Highlights:** Preset-based sound library, Limited parameter editing, XY pads for modulation, AUv3 and InterApp Audio support, Audiobus integration, Built-in keyboard with pitch/mod wheels, Scales functionality

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Historical Synth Giants Vol 1 | $1.99 | one-time |
| BigTone Signature Sounds Vol1 | $4.99 | one-time |
| MK Expansion 2 | $4.99 | one-time |
| Nori Ubukata Art Rock Basics | $4.99 | one-time |
| Sounds of the World | $4.99 | one-time |
| Factory Presets (PRO Upgrade) | $4.99 | one-time |
| SynthMaster 2.7 presets | $4.99 | one-time |
| SynthMaster 2.8 Presets | $4.99 | one-time |
| Extra Factory Presets Bundle | $9.99 | one-time |
| SynthMaster EDM Bundle 1 | $13.99 | one-time |
| Dawn Of Electronic Bundle | $13.99 | one-time |
| Synth Giants Bundle | $13.99 | one-time |
| Rob Lee EDM Bundle | $19.99 | one-time |

**What reviewers like**

- 🚀 Great sounds
- 👍 Fantastic presets
- 🚀 Excellent sound quality
- 👍 Inspiring sounds
- 👍 Rich and full synth sounds

**What reviewers complain about**

- 🐛 Crashes and freezes
- 🐛 Buggy performance
- 🐛 Presets not loading
- 🐛 Unstable on newer devices
- 🐛 Compatibility issues

**Reported bugs**

- Crashes on startup
- Purchased presets not loading
- Stuck notes
- Incompatibility with newer iOS versions
- Audiobus and IAA issues

**Requested features**

- Ability to edit and create own sounds
- Improved preset management
- Better integration with DAWs and Audiobus
- Background playback support
- Larger on-screen keyboard


### Motion Synth

[App page](https://appshunter.io/ios/app/motion-synth/id945266624)

This app turns your iPhone or iPod touch into a musical instrument. Play notes with touch and control sound with motion. It can be used standalone, with other iOS music apps, or even external hardware and laptop software.

**Highlights:** Play notes via touch, Shape sound through motion, Control in-app sounds, Control other iOS music apps, Control external hardware synths, Control laptop audio/visual software

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SynthMaster Player free?

SynthMaster Player is free to download, with in-app purchases available.

### Is Motion Synth free?

Motion Synth is free to download, with no in-app purchases.

### Which has better reviews, SynthMaster Player or Motion Synth?

SynthMaster Player is rated higher. SynthMaster Player averages 4.4 out of 5 from 55 ratings, while Motion Synth averages 3.5 from 40 ratings.

### Do SynthMaster Player or Motion Synth have ads?

Neither SynthMaster Player nor Motion Synth shows ads.

### Which is updated more often, SynthMaster Player or Motion Synth?

SynthMaster Player ships an update every 3 months, and Motion Synth every 4 months. Most recently, SynthMaster Player was updated on September 24, 2026 and Motion Synth on June 11, 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.*