# MidiBus vs NERD Synth A2x + AUv3

The clearest difference is update cadence: NERD Synth A2x + AUv3 at fortnightly against MidiBus's every 5 months. NERD Synth A2x + AUv3 also leads on ratings volume (1.3K vs 2). MidiBus's advantage is price ($2.99 vs $5.99) and iOS requirement (5.1.1 vs 14.4). On rating, review sentiment, ads and in-app purchases there is nothing between them.

MidiBus costs $2.99 and NERD Synth A2x + AUv3 $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for MidiBus against 4.9 for NERD Synth A2x + AUv3. That said, the two scores are not equally well evidenced: NERD Synth A2x + AUv3 has 1.3K ratings behind it against 2, so its average is the more settled of the two. Written reviews are what separate them: 94% of MidiBus's written reviews are positive against 90% of NERD Synth A2x + AUv3's.

MidiBus ships an update every 5 months, NERD Synth A2x + AUv3 fortnightly. The most recent releases landed on October 9, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | MidiBus | NERD Synth A2x + AUv3 |
| --- | --- | --- |
| Price | **$2.99** | $5.99 |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/midibus/id648856167/reviews)** | [4.9 (1.3K ratings)](https://appshunter.io/ios/app/nerd-synth-a2x-plus-auv3/id6478898564/reviews) |
| Number of ratings | 2 | **1.3K** |
| Positive reviews | **93.8% of reviews** | 90.4% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Fortnightly** |
| Monetization | Paid | Paid |
| Size | 2 MB | 242 MB |
| Requires iOS | **5.1.1** | 14.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Audeonic Apps](https://appshunter.io/developer/351607509) | [AudioKit Pro](https://appshunter.io/developer/1307785645) |

## What reviewers say

### MidiBus

[App page](https://appshunter.io/ios/app/midibus/id648856167)

Synchronize MIDI clock signals between apps and devices with adjustable BPM and time signatures. Monitor the accuracy and stability of MIDI clock sources, including the app itself. Discover surprising performance metrics from your connected gear.

**Highlights:** MIDI clock sync generation, Adjustable BPM and time signature, Multiple MIDI destinations, MIDI clock signal monitoring, Accuracy and stability measurement, iOS MIDI development library based

**Features:** Vision Pro support

**In-app purchases:** none


### NERD Synth A2x + AUv3

[App page](https://appshunter.io/ios/app/nerd-synth-a2x-plus-auv3/id6478898564)

This virtual analog synthesizer offers a powerful and intuitive sound design experience, inspired by classic hardware. Explore over 40 classic waveforms, a versatile arpeggiator, step sequencer, and lush effects to craft unique electronic music.

**Highlights:** Virtual Analog Synthesizer, 40+ Classic Waveforms, Arpeggiator, Step Sequencer, Lush Effects Suite, Four-voice Unison, AUv3 Plugin Support

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- ⭐ Outstanding synth
- 👍 Very nice and rich sounding
- 🎨 Great presets and sound design
- 🔧 Easy to use and intuitive
- 💻 Works well in AUv3 environments

**What reviewers complain about**

- 🐛 Doesn't show up in Logic
- 🔧 Needs to be more Mac-compatible
- 🔧 Changing presets can be sluggish
- 🔧 Missing aftertouch/expression support

**Reported bugs**

- Doesn't fit properly in Logic Pro for iPad
- Keyboard keys get stuck when using a controller

**Requested features**

- Dark mode option
- Undo/redo functionality
- Improved Logic Pro integration
- Ability to change color scheme


## Frequently asked questions

### Is MidiBus free?

MidiBus costs $2.99, with no in-app purchases.

### Is NERD Synth A2x + AUv3 free?

NERD Synth A2x + AUv3 costs $5.99, with no in-app purchases.

### Which has better reviews, MidiBus or NERD Synth A2x + AUv3?

MidiBus is rated higher. MidiBus averages 5.0 out of 5 from 2 ratings, while NERD Synth A2x + AUv3 averages 4.9 from 1.3K ratings.

### Do MidiBus or NERD Synth A2x + AUv3 have ads?

Neither MidiBus nor NERD Synth A2x + AUv3 shows ads.

### Which is updated more often, MidiBus or NERD Synth A2x + AUv3?

MidiBus ships an update every 5 months, and NERD Synth A2x + AUv3 fortnightly. Most recently, MidiBus was updated on October 9, 2026 and NERD Synth A2x + AUv3 on October 16, 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.*