# Matrix Vocoder vs Let's GO MIDI

The clearest difference is price: Let's GO MIDI at Free against Matrix Vocoder's $5.99. Let's GO MIDI also leads on update cadence (monthly vs every 15 months). Matrix Vocoder's advantage is in-app purchases (none vs 3) and iOS requirement (15.6 vs 26.2). On ads and device support there is nothing between them.

Let's GO MIDI is free to download; Matrix Vocoder costs $5.99 up front. Let's GO MIDI sells 3 in-app purchases, starting at $1.99 per month. Matrix Vocoder asks for nothing beyond the download.

Matrix Vocoder ships an update every 15 months, Let's GO MIDI monthly. Both last shipped on October 9, 2026.

## The numbers

| Metric | Matrix Vocoder | Let's GO MIDI |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Rating | **[4.3 (20 ratings)](https://appshunter.io/ios/app/matrix-vocoder/id1464318049/reviews)** | — |
| Number of ratings | **20** | — |
| Positive reviews | 41.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 15 months | **Monthly** |
| Monetization | Paid | — |
| Size | 9 MB | 5 MB |
| Requires iOS | **15.6** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Harry Gohs](https://appshunter.io/developer/382428644) | [Evan Stone](https://appshunter.io/developer/387750162) |

## What reviewers say

### Matrix Vocoder

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

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


### Let's GO MIDI

[App page](https://appshunter.io/ios/app/lets-go-midi/id6770382464)

**Features:** Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Let's Go MIDI Pro Monthly | $1.99 | per month |
| Let's Go MIDI Pro Annual | $9.99 | per year |
| Let's Go MIDI Pro Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is Matrix Vocoder free?

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

### Is Let's GO MIDI free?

Let's GO MIDI is free to download, with in-app purchases available.

### Do Matrix Vocoder or Let's GO MIDI have ads?

Neither Matrix Vocoder nor Let's GO MIDI shows ads.

### Which is updated more often, Matrix Vocoder or Let's GO MIDI?

Matrix Vocoder ships an update every 15 months, and Let's GO MIDI monthly. Most recently, Matrix Vocoder was updated on October 9, 2026 and Let's GO MIDI on October 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.*