# Super J8 Synth + AUv3 vs Music Theory Decoder

The clearest difference is price: Music Theory Decoder at $4.99 against Super J8 Synth + AUv3's $8.99. Super J8 Synth + AUv3's advantage is chart position (#88 vs unranked) and device support (4 vs 2). On ads, in-app purchases and iOS requirement there is nothing between them.

Super J8 Synth + AUv3 costs $8.99 and Music Theory Decoder $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Super J8 Synth + AUv3 | Music Theory Decoder |
| --- | --- | --- |
| Price | $8.99 | **$4.99** |
| Rating | **[4.9 (87 ratings)](https://appshunter.io/ios/app/super-j8-synth-plus-auv3/id6756800933/reviews)** | — |
| Number of ratings | **87** | — |
| Positive reviews | 96.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 days | — |
| Monetization | Paid | — |
| Best chart rank | **#88** | — |
| Size | 56 MB | 39 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [AudioKit Pro](https://appshunter.io/developer/1307785645) | [Tomi Nevalainen](https://appshunter.io/developer/1271805172) |

## What reviewers say

### Super J8 Synth + AUv3

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

**Currently charting:** #88 Top Paid · Music (US App Store)

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


### Music Theory Decoder

[App page](https://appshunter.io/ios/app/music-theory-decoder/id6763486860)

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

**In-app purchases:** none


## Frequently asked questions

### Is Super J8 Synth + AUv3 free?

Super J8 Synth + AUv3 costs $8.99, with no in-app purchases.

### Is Music Theory Decoder free?

Music Theory Decoder costs $4.99, with no in-app purchases.

### Do Super J8 Synth + AUv3 or Music Theory Decoder have ads?

Neither Super J8 Synth + AUv3 nor Music Theory Decoder shows ads.

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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.*