# AudioKit Synth One J6 + AUv3 vs MixSurface

AudioKit Synth One J6 + AUv3 and MixSurface are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. AudioKit Synth One J6 + AUv3 sells 5 one-off in-app purchases and MixSurface sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

AudioKit Synth One J6 + AUv3 ships an update every 11 days, MixSurface every 6 days. The most recent releases landed on November 11, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | AudioKit Synth One J6 + AUv3 | MixSurface |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (2.5K ratings)](https://appshunter.io/ios/app/audiokit-synth-one-j6-plus-auv3/id6741535277/reviews)** | — |
| Number of ratings | **2.5K** | — |
| Positive reviews | 94.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 11 days | **Every 6 days** |
| Monetization | Free with in-app purchases | — |
| Size | 84 MB | 26 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AudioKit Pro](https://appshunter.io/developer/1307785645) | [Soulful Music](https://appshunter.io/developer/1895389356) |

## What reviewers say

### AudioKit Synth One J6 + AUv3

[App page](https://appshunter.io/ios/app/audiokit-synth-one-j6-plus-auv3/id6741535277)

This free synthesizer app offers pro-quality analog sounds for creating pads, basses, keys, and leads. It features over 400 presets, a step sequencer, arpeggiators, and real-time FX control, making it suitable for beginners and pros alike. Enhanced accessibility features are included for visually impaired musicians.

**Highlights:** Over 400 presets, Step sequencer and arpeggiators, Real-time FX control, MIDI keyboard support, Accessibility features, AUv3 plugin support, Cross-platform preset sync

**Features:** Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Thanks, Awesome Supporter! | $2.99 | one-time |
| Thanks, Awesome Supporter! | $4.99 | one-time |
| Thanks, Awesome Supporter! | $9.99 | one-time |
| Thanks, Awesome Supporter! | $14.99 | one-time |
| Thanks, Awesome Supporter! | $19.99 | one-time |

**What reviewers like**

- 🚀 Amazingly inspirational
- 👍 Awesome and free
- 👍 Ridiculously good UI
- 👍 Must have
- 👍 Great for AUv3


### MixSurface

[App page](https://appshunter.io/ios/app/mixsurface/id6763588406)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock REAPER Features | $29.99 | one-time |


## Frequently asked questions

### Is AudioKit Synth One J6 + AUv3 free?

AudioKit Synth One J6 + AUv3 is free to download, with in-app purchases available.

### Is MixSurface free?

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

### Do AudioKit Synth One J6 + AUv3 or MixSurface have ads?

Neither AudioKit Synth One J6 + AUv3 nor MixSurface shows ads.

### Which is updated more often, AudioKit Synth One J6 + AUv3 or MixSurface?

AudioKit Synth One J6 + AUv3 ships an update every 11 days, and MixSurface every 6 days. Most recently, AudioKit Synth One J6 + AUv3 was updated on November 11, 2026 and MixSurface on November 9, 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.*