# Speak Unit vs Spiral Chorus

The clearest difference is price: Spiral Chorus at Free against Speak Unit's $0.99. Spiral Chorus also leads on review sentiment (89% vs 67%) and rating (5.0 vs 4.8). Speak Unit's advantage is in-app purchases (none vs 3) and iOS requirement (12.0 vs 16.0). On ratings volume, ads and device support there is nothing between them.

Spiral Chorus is free to download; Speak Unit costs $0.99 up front. Spiral Chorus sells 3 one-off in-app purchases. Speak Unit asks for nothing beyond the download.

Spiral Chorus holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 8 and 15 respectively. Written reviews point the same way: 67% of Speak Unit's written reviews are positive against 89% of Spiral Chorus's.

Speak Unit ships an update every 52 months, Spiral Chorus every 15 months. The most recent releases landed on October 21, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Speak Unit | Spiral Chorus |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [4.8 (8 ratings)](https://appshunter.io/ios/app/speak-unit/id1261498777/reviews) | **[5.0 (15 ratings)](https://appshunter.io/ios/app/spiral-chorus/id6449840927/reviews)** |
| Number of ratings | 8 | **15** |
| Positive reviews | 66.7% of reviews | **88.9% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 52 months | **Every 15 months** |
| Monetization | Paid | **Free** |
| Size | 153 MB | 12 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Rick Peacock](https://appshunter.io/developer/286052385) | [Tom Power](https://appshunter.io/developer/1629402664) |

## 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


### Spiral Chorus

[App page](https://appshunter.io/ios/app/spiral-chorus/id6449840927)

This music effect plugin offers an analog-modeled LCR chorus with touch-friendly controls and immersive 3D visuals. It seamlessly integrates into DAWs for iOS, adding depth and texture to various music productions.

**Highlights:** Analog Modeled LCR Chorus, Touch-Friendly Controls, Immersive 3D Visuals, Versatile Music Application, Optimized for iOS, Seamless DAW Integration

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $1.99 | one-time |
| Medium Tip | $4.99 | one-time |
| Large Tip | $9.99 | one-time |


## Frequently asked questions

### Is Speak Unit free?

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

### Is Spiral Chorus free?

Spiral Chorus is free to download, with in-app purchases available.

### Which has better reviews, Speak Unit or Spiral Chorus?

Spiral Chorus is rated higher. Speak Unit averages 4.8 out of 5 from 8 ratings, while Spiral Chorus averages 5.0 from 15 ratings.

### Do Speak Unit or Spiral Chorus have ads?

Neither Speak Unit nor Spiral Chorus shows ads.

### Which is updated more often, Speak Unit or Spiral Chorus?

Speak Unit ships an update every 52 months, and Spiral Chorus every 15 months. Most recently, Speak Unit was updated on October 21, 2026 and Spiral Chorus on October 13, 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.*