# SynthMaster Player vs dspMixFx UR

The clearest difference is rating: SynthMaster Player at 4.4 against dspMixFx UR's 3.7. SynthMaster Player also leads on update cadence (every 3 months vs every 13 months) and review sentiment (52% vs 34%). dspMixFx UR's advantage is in-app purchases (none vs 13). On price, ads and device support there is nothing between them.

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

SynthMaster Player holds the better App Store score, 4.4 against 3.7. That said, the two scores are not equally well evidenced: SynthMaster Player has 55 ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 52% of SynthMaster Player's written reviews are positive against 34% of dspMixFx UR's.

SynthMaster Player ships an update every 3 months, dspMixFx UR every 13 months. The most recent releases landed on October 15, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | SynthMaster Player | dspMixFx UR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (55 ratings)](https://appshunter.io/ios/app/synthmaster-player/id944155926/reviews)** | [3.7 (10 ratings)](https://appshunter.io/ios/app/dspmixfx-ur-c/id1471984454/reviews) |
| Number of ratings | **55** | 10 |
| Positive reviews | **52.1% of reviews** | 33.9% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 13 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 308 MB | 57 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [KV331 Audio](https://appshunter.io/developer/944155925) | [Yamaha Corporation](https://appshunter.io/developer/353469356) |

## 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


### dspMixFx UR

[App page](https://appshunter.io/ios/app/dspmixfx-ur-c/id1471984454)

This application provides control over DSP features and built-in effects for compatible audio interfaces on iOS devices. It allows for latency-free monitoring and streaming mixes for music applications, utilizing effects like reverb and channel strips.

**Highlights:** Control DSP features on URX-C/UR-C series, DSP mixer control, Built-in DSP effects control, Latency-free monitoring, Streaming mix creation, Compatible with specific Yamaha audio interfaces

**In-app purchases:** none


## Frequently asked questions

### Is SynthMaster Player free?

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

### Is dspMixFx UR free?

dspMixFx UR is free to download, with no in-app purchases.

### Which has better reviews, SynthMaster Player or dspMixFx UR?

SynthMaster Player is rated higher. SynthMaster Player averages 4.4 out of 5 from 55 ratings, while dspMixFx UR averages 3.7 from 10 ratings.

### Do SynthMaster Player or dspMixFx UR have ads?

Neither SynthMaster Player nor dspMixFx UR shows ads.

### Which is updated more often, SynthMaster Player or dspMixFx UR?

SynthMaster Player ships an update every 3 months, and dspMixFx UR every 13 months. Most recently, SynthMaster Player was updated on October 15, 2026 and dspMixFx UR 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.*