# Speak Unit vs AulDelay

The clearest difference is review sentiment: AulDelay at 100% against Speak Unit's 67%. AulDelay also leads on update cadence (every 3 days vs every 52 months) and rating (5.0 vs 4.8). Speak Unit's advantage is price ($0.99 vs $1.99). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

Speak Unit costs $0.99 and AulDelay $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

AulDelay holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 8 and 5 respectively. Written reviews point the same way: 67% of Speak Unit's written reviews are positive against 100% of AulDelay's.

Speak Unit ships an update every 52 months, AulDelay every 3 days. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Speak Unit | AulDelay |
| --- | --- | --- |
| Price | **$0.99** | $1.99 |
| Rating | [4.8 (8 ratings)](https://appshunter.io/ios/app/speak-unit/id1261498777/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/auldelay/id6743680956/reviews)** |
| Number of ratings | **8** | 5 |
| Positive reviews | 66.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 52 months | **Every 3 days** |
| Monetization | Paid | Paid |
| Size | 153 MB | 12 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Rick Peacock](https://appshunter.io/developer/286052385) | [Rob Jackson](https://appshunter.io/developer/1072346998) |

## 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


### AulDelay

[App page](https://appshunter.io/ios/app/auldelay/id6743680956)

This audio effect plugin offers a vintage-inspired stereo delay with extensive customization. Achieve classic retro tones through built-in filtering, modulation, and compression, perfect for creative sound design and live looping.

**Highlights:** Vintage-inspired delay effect, Stereo delay with L:R ratio control, Delay time modulation, Internal highpass and lowpass filtering, Compression and limiting for retro sound, Up to 8 seconds delay time, Standalone or AUv3 host compatible

**In-app purchases:** none


## Frequently asked questions

### Is Speak Unit free?

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

### Is AulDelay free?

AulDelay costs $1.99, with no in-app purchases.

### Which has better reviews, Speak Unit or AulDelay?

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

### Do Speak Unit or AulDelay have ads?

Neither Speak Unit nor AulDelay shows ads.

### Which is updated more often, Speak Unit or AulDelay?

Speak Unit ships an update every 52 months, and AulDelay every 3 days. Most recently, Speak Unit was updated on October 21, 2026 and AulDelay on October 24, 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.*