# Matrix Vocoder vs SKIIID

Matrix Vocoder and SKIIID both sit at 4.3 stars, but that hides the real split: 74% of SKIIID's written reviews are positive against 42% of Matrix Vocoder's. SKIIID also leads on update cadence (every 4 days vs every 15 months) and price ($3.99 vs $5.99). Matrix Vocoder's advantage is chart position (#181 vs unranked). On rating, ratings volume, ads and in-app purchases there is nothing between them.

Matrix Vocoder costs $5.99 and SKIIID $3.99 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 — 4.3 for Matrix Vocoder against 4.4 for SKIIID. Both are backed by a comparable volume of ratings — 20 and 31 respectively. Written reviews are what separate them: 42% of Matrix Vocoder's written reviews are positive against 74% of SKIIID's.

Matrix Vocoder ships an update every 15 months, SKIIID every 4 days. The most recent releases landed on September 22, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Matrix Vocoder | SKIIID |
| --- | --- | --- |
| Price | $5.99 | **$3.99** |
| Rating | [4.3 (20 ratings)](https://appshunter.io/ios/app/matrix-vocoder/id1464318049/reviews) | **[4.4 (31 ratings)](https://appshunter.io/ios/app/skiiid/id1516634571/reviews)** |
| Number of ratings | 20 | **31** |
| Positive reviews | 41.7% of reviews | **73.9% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 4 days** |
| Monetization | Paid | Paid |
| Best chart rank | **#181** | — |
| Size | 9 MB | 20 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Harry Gohs](https://appshunter.io/developer/382428644) | [Stephan Bolch](https://appshunter.io/developer/1516634570) |

## What reviewers say

### Matrix Vocoder

[App page](https://appshunter.io/ios/app/matrix-vocoder/id1464318049)

**Currently charting:** #181 Top Paid · Music (US App Store)

Transform your voice into an electronic instrument with this app, simulating classic analog vocoder sounds. It analyzes input signals, performs spectral analysis, and reassembles synthetic speech using filter banks and replacement signals.

**Highlights:** 32 channel filterbank with analog filters, Stereophonic synthesis with alias-free oscillators, External carrier input, Voiced/Unvoiced detection and pitch tracking, Formant shift, Patchbay for channel connection, 16 internal oscillators for choir sounds

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

**In-app purchases:** none


### SKIIID

[App page](https://appshunter.io/ios/app/skiiid/id1516634571)

This app is a percussion synthesizer designed for live performance. It features four morphing pads where finger position controls sound parameters and velocity. Explore deep sound design with a step sequencer, auto-mutation, and chaos engine for instant sound generation.

**Highlights:** Four morphing percussion pads, Real-time parameter control via touch, 16-step sequencer per pad, Auto-mutate sound evolution, Chaos engine for instant sound generation, AUv3 plugin support, MIDI input and Ableton Link sync

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Matrix Vocoder free?

Matrix Vocoder costs $5.99, with no in-app purchases.

### Is SKIIID free?

SKIIID costs $3.99, with no in-app purchases.

### Which has better reviews, Matrix Vocoder or SKIIID?

SKIIID is rated higher. Matrix Vocoder averages 4.3 out of 5 from 20 ratings, while SKIIID averages 4.4 from 31 ratings.

### Do Matrix Vocoder or SKIIID have ads?

Neither Matrix Vocoder nor SKIIID shows ads.

### Which is updated more often, Matrix Vocoder or SKIIID?

Matrix Vocoder ships an update every 15 months, and SKIIID every 4 days. Most recently, Matrix Vocoder was updated on September 22, 2026 and SKIIID on September 25, 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.*