Speak Unit vs Spiral Chorus
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Speak Unit
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.
- Speech synthesis audio extension
- Phrase input up to twelve entries
- Note-triggered phrase playback
- Voice selection
- Standalone app for auditioning
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Speak Unit is a speech synthesiser audio extension for use in Garageband and other compatible music software. You enter up to twelve phrases that are each triggered by a unique note. Ideal if you need robotic vocal for your musical compositions, or any other creative uses. To use - Add the Speak Unit audio extension instrument to a track in your music software - Select a note using the up and down buttons on the Speak Unit's chest. - Enter a phrase - Choose a voice - Press the save button to store the phrase in the Speak Unit ready for synthesising. - Press the speak button if you wish to audition the phrase. - Play or sequence that note to play the phrase in your composition. The stand alone app can be used to speak the phrases triggered by a row of note buttons.
Spiral Chorus
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.
- Analog Modeled LCR Chorus
- Touch-Friendly Controls
- Immersive 3D Visuals
- Versatile Music Application
- Optimized for iOS
- Seamless DAW Integration
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FX Forms #001 - Spiral Chorus from Wild Surmise Music, number one in the series of AUv3 FX plugins. Key Features: - Analog Modeled LCR Chorus: Delve into the rich, warm textures of an analog-modeled LCR (Left-Center-Right) chorus effect, bringing a new dimension to your tracks. - Touch-Friendly Controls: With an interface tailored for iOS, Spiral Chorus offers intuitive, touch-friendly controls. Effortlessly sculpt your sound with responsive sliders and xy pads, ensuring a seamless workflow. - Immersive 3D Visuals: Enhance your audio manipulation experience with captivating 3D visuals in the background. - Versatile Application: Whether you're working on dreamy soundscapes, dynamic beats, or cutting-edge experimental sounds, Spiral Chorus adds a layer of depth and texture to your music. - Optimized for iOS: Crafted specifically for the iOS environment, Spiral Chorus ensures a stable, high-performance experience on your favorite devices. 3D Visuals leverage SceneKit and Metal Shaders providing good visual performance on iOS devices. - Seamless Integration: Use Spiral Chorus seamlessly within your favorite DAW as an AUv3 plugin, fitting perfectly into your existing workflow.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Speak Unit | Spiral Chorus |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 4.8 (8 ratings) | 5.0 (15 ratings) — better |
| Positive reviews | 66.7% of reviews | 88.9% of reviews — better |
| Number of ratings | 8 | 15 — better |
| Update frequency | Every 52 months | Every 15 months — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 153 MB | 12 MB |
| Age rating | 4+ | 4+ |
| Developer | Rick Peacock | Tom Power |
Customer experience
Speak Unit
Spiral Chorus
In-app purchases
Speak Unit
No in-app purchases
Spiral Chorus
- Small Tip$1.99
- Medium Tip$4.99
- Large Tip$9.99
Questions
Is Speak Unit free?
Is Spiral Chorus free?
Which has better reviews, Speak Unit or Spiral Chorus?
Do Speak Unit or Spiral Chorus have ads?
Which is updated more often, Speak Unit or Spiral Chorus?
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