# SynthMaster Player vs Midiflow Splitter (Audiobus)

The clearest difference is price: SynthMaster Player at Free against Midiflow Splitter (Audiobus)'s $2.99. SynthMaster Player also leads on rating (4.4 vs 3.4) and review sentiment (52% vs 31%). Midiflow Splitter (Audiobus)'s advantage is in-app purchases (none vs 13). On ads, device support and iOS requirement there is nothing between them.

SynthMaster Player is free to download; Midiflow Splitter (Audiobus) costs $2.99 up front. SynthMaster Player sells 13 one-off in-app purchases. Midiflow Splitter (Audiobus) asks for nothing beyond the download.

SynthMaster Player holds the better App Store score, 4.4 against 3.4. 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 31% of Midiflow Splitter (Audiobus)'s.

SynthMaster Player ships an update every 3 months, Midiflow Splitter (Audiobus) every 11 months. The most recent releases landed on October 24, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | SynthMaster Player | Midiflow Splitter (Audiobus) |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[4.4 (55 ratings)](https://appshunter.io/ios/app/synthmaster-player/id944155926/reviews)** | [3.4 (10 ratings)](https://appshunter.io/ios/app/midiflow-splitter-audiobus/id1104669188/reviews) |
| Number of ratings | **55** | 10 |
| Positive reviews | **52.1% of reviews** | 31.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 11 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 308 MB | 5 MB |
| Requires iOS | 11.0 | **10.2** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [KV331 Audio](https://appshunter.io/developer/944155925) | [Johannes Doerr](https://appshunter.io/developer/622204117) |

## 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


### Midiflow Splitter (Audiobus)

[App page](https://appshunter.io/ios/app/midiflow-splitter-audiobus/id1104669188)

This MIDI effect app allows musicians to divide their external keyboard into multiple zones, assigning each zone to different synth apps. It offers powerful configuration options for split and layer setups, including octave transposition and controller assignment per synth.

**Highlights:** Create split and layer configurations, Assign key zones to synth apps, Transpose each synth app in octaves, Control active controllers per synth, Solo individual synth sounds, Supports multiple keyboards

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SynthMaster Player free?

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

### Is Midiflow Splitter (Audiobus) free?

Midiflow Splitter (Audiobus) costs $2.99, with no in-app purchases.

### Which has better reviews, SynthMaster Player or Midiflow Splitter (Audiobus)?

SynthMaster Player is rated higher. SynthMaster Player averages 4.4 out of 5 from 55 ratings, while Midiflow Splitter (Audiobus) averages 3.4 from 10 ratings.

### Do SynthMaster Player or Midiflow Splitter (Audiobus) have ads?

Neither SynthMaster Player nor Midiflow Splitter (Audiobus) shows ads.

### Which is updated more often, SynthMaster Player or Midiflow Splitter (Audiobus)?

SynthMaster Player ships an update every 3 months, and Midiflow Splitter (Audiobus) every 11 months. Most recently, SynthMaster Player was updated on October 24, 2026 and Midiflow Splitter (Audiobus) on October 21, 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.*