# Speak Unit vs King Key

Speak Unit and King Key both sit at 4.8 stars, but that hides the real split: 100% of King Key's written reviews are positive against 67% of Speak Unit's. Speak Unit's advantage is price ($0.99 vs $1.99). On rating, ratings volume, ads and in-app purchases there is nothing between them.

Speak Unit costs $0.99 and King Key $1.99 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 — 4.8 for Speak Unit against 4.9 for King Key. Both are backed by a comparable volume of ratings — 9 and 15 respectively. Written reviews are what separate them: 67% of Speak Unit's written reviews are positive against 100% of King Key's.

## The numbers

| Metric | Speak Unit | King Key |
| --- | --- | --- |
| Price | **$0.99** | $1.99 |
| Rating | [4.8 (9 ratings)](https://appshunter.io/ios/app/speak-unit/id1261498777/reviews) | **[4.9 (15 ratings)](https://appshunter.io/ios/app/king-key/id6504887055/reviews)** |
| Number of ratings | 9 | **15** |
| Positive reviews | 66.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 52 months | — |
| Monetization | Paid | Paid |
| Size | 153 MB | 12 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rick Peacock](https://appshunter.io/developer/286052385) | [Caelum Audio Ltd](https://appshunter.io/developer/1463219587) |

## What reviewers say

### Speak Unit

[App page](https://appshunter.io/ios/app/speak-unit/id1261498777)

This audio extension synthesizes speech for music production. Input up to twelve phrases, each triggered by a specific musical note, to add robotic vocals to your compositions. It's ideal for creating unique vocal effects in music software.

**Highlights:** Speech synthesis audio extension, Phrase input up to twelve entries, Note-triggered phrase playback, Voice selection, Standalone app for auditioning

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

**In-app purchases:** none


### King Key

[App page](https://appshunter.io/ios/app/king-key/id6504887055)

This app provides high-quality one-shot keyboard samples, including vintage typewriters and modern synthesizers. It offers 9 instruments and 11 presets, usable as a standalone instrument or an AUv3 plugin within music production hosts.

**Highlights:** High-quality one-shot keyboard samples, Vintage typewriter and MIDI keyboard sounds, 9 instruments and 11 presets, AUv3 plugin compatibility, Standalone instrument mode, Proprietary high-detailed sampling techniques

**In-app purchases:** none


## Frequently asked questions

### Is Speak Unit free?

Speak Unit costs $0.99, with no in-app purchases.

### Is King Key free?

King Key costs $1.99, with no in-app purchases.

### Which has better reviews, Speak Unit or King Key?

King Key is rated higher. Speak Unit averages 4.8 out of 5 from 9 ratings, while King Key averages 4.9 from 15 ratings.

### Do Speak Unit or King Key have ads?

Neither Speak Unit nor King Key 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.*