# Super J8 Synth + AUv3 vs KeyPad MIDI Controller

The clearest difference is price: KeyPad MIDI Controller at Free against Super J8 Synth + AUv3's $14.99. Super J8 Synth + AUv3's advantage is ratings volume (81 vs 13). On rating, review sentiment, update cadence and ads there is nothing between them.

KeyPad MIDI Controller is free to download; Super J8 Synth + AUv3 costs $14.99 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 Super J8 Synth + AUv3 against 4.9 for KeyPad MIDI Controller. That said, the two scores are not equally well evidenced: Super J8 Synth + AUv3 has 81 ratings behind it against 13, so its average is the more settled of the two. Written reviews are what separate them: 96% of Super J8 Synth + AUv3's written reviews are positive against 100% of KeyPad MIDI Controller's.

Super J8 Synth + AUv3 ships an update every 3 days, KeyPad MIDI Controller every 2 days. The most recent releases landed on September 24, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Super J8 Synth + AUv3 | KeyPad MIDI Controller |
| --- | --- | --- |
| Price | $14.99 | **Free** |
| Rating | **[5.0 (81 ratings)](https://appshunter.io/ios/app/super-j8-synth-plus-auv3/id6756800933/reviews)** | [4.9 (13 ratings)](https://appshunter.io/ios/app/keypad-midi-controller/id6758680165/reviews) |
| Number of ratings | **81** | 13 |
| Positive reviews | 95.9% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 days | **Every 2 days** |
| Monetization | Paid | **Free** |
| Size | 78 MB | 13 MB |
| Requires iOS | 14.4 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AudioKit Pro](https://appshunter.io/developer/1307785645) | [DiscoDSP LLC](https://appshunter.io/developer/1465262828) |

## What reviewers say

### Super J8 Synth + AUv3

[App page](https://appshunter.io/ios/app/super-j8-synth-plus-auv3/id6756800933)

This app offers a powerful analog synthesizer emulation, inspired by a legendary vintage instrument. It provides a vast array of sounds, from lush pads to deep basses, with advanced DSP and numerous modulation options. Explore over 700 presets and use it standalone or as an AUv3 plugin.

**Highlights:** Analog emulation sound engine, 700+ presets, True poly unison, Oscillator sync, Classic step sequencer, Dual arpeggiators, AUv3 plugin support

**Features:** Vision Pro support

**In-app purchases:** none


### KeyPad MIDI Controller

[App page](https://appshunter.io/ios/app/keypad-midi-controller/id6758680165)

Transform your device into a professional MIDI controller with touch-optimized piano keys, drum pads, and performance controls. It supports SFZ, SF2, WAV, and M4A samples, and can control iOS apps, hardware synths, and Mac software wirelessly or wired.

**Highlights:** Touch-optimized piano keyboard, 9-pad drum grid, XY performance pad, Built-in sound engine (SF2, SFZ, WAV, M4A), AUv3 plugin support, Network MIDI for Mac control, Aftertouch and MPE expression

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

**In-app purchases:** none


## Frequently asked questions

### Is Super J8 Synth + AUv3 free?

Super J8 Synth + AUv3 costs $14.99, with no in-app purchases.

### Is KeyPad MIDI Controller free?

KeyPad MIDI Controller is free to download, with no in-app purchases.

### Which has better reviews, Super J8 Synth + AUv3 or KeyPad MIDI Controller?

Super J8 Synth + AUv3 is rated higher. Super J8 Synth + AUv3 averages 5.0 out of 5 from 81 ratings, while KeyPad MIDI Controller averages 4.9 from 13 ratings.

### Do Super J8 Synth + AUv3 or KeyPad MIDI Controller have ads?

Neither Super J8 Synth + AUv3 nor KeyPad MIDI Controller shows ads.

### Which is updated more often, Super J8 Synth + AUv3 or KeyPad MIDI Controller?

Super J8 Synth + AUv3 ships an update every 3 days, and KeyPad MIDI Controller every 2 days. Most recently, Super J8 Synth + AUv3 was updated on September 24, 2026 and KeyPad MIDI Controller on September 20, 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.*