# Matrix Vocoder vs talkback.se

The clearest difference is price: talkback.se at Free against Matrix Vocoder's $5.99. talkback.se also leads on update cadence (every 10 days vs every 15 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

talkback.se is free to download; Matrix Vocoder costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Matrix Vocoder ships an update every 15 months, talkback.se every 10 days. The most recent releases landed on November 3, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Matrix Vocoder | talkback.se |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Rating | **[4.2 (19 ratings)](https://appshunter.io/ios/app/matrix-vocoder/id1464318049/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 41.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 10 days** |
| Monetization | Paid | — |
| Size | 9 MB | 22 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Harry Gohs](https://appshunter.io/developer/382428644) | [I/O Music](https://appshunter.io/developer/1879500843) |

## 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


### talkback.se

[App page](https://appshunter.io/ios/app/talkbackse/id6799736365)

**Features:** macOS Compatibility, 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 talkback.se free?

talkback.se is free to download, with no in-app purchases.

### Do Matrix Vocoder or talkback.se have ads?

Neither Matrix Vocoder nor talkback.se shows ads.

### Which is updated more often, Matrix Vocoder or talkback.se?

Matrix Vocoder ships an update every 15 months, and talkback.se every 10 days. Most recently, Matrix Vocoder was updated on November 3, 2026 and talkback.se on November 6, 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.*