# Spiral Chorus vs SUBscription Synth

The clearest difference is price: Spiral Chorus at Free against SUBscription Synth's $2.99. Spiral Chorus also leads on rating (5.0 vs 4.6). SUBscription Synth's advantage is in-app purchases (none vs 3) and update cadence (every 2 days vs every 15 months). On review sentiment, ratings volume, ads and device support there is nothing between them.

Spiral Chorus is free to download; SUBscription Synth costs $2.99 up front. Spiral Chorus sells 3 one-off in-app purchases. SUBscription Synth asks for nothing beyond the download.

Spiral Chorus holds the better App Store score, 5.0 against 4.6. Both are backed by a comparable volume of ratings — 15 and 42 respectively. Written reviews point the same way: 89% of Spiral Chorus's written reviews are positive against 88% of SUBscription Synth's.

Spiral Chorus ships an update every 15 months, SUBscription Synth every 2 days. The most recent releases landed on September 10, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Spiral Chorus | SUBscription Synth |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[5.0 (15 ratings)](https://appshunter.io/ios/app/spiral-chorus/id6449840927/reviews)** | [4.6 (42 ratings)](https://appshunter.io/ios/app/subscription-synth/id6450652011/reviews) |
| Number of ratings | 15 | **42** |
| Positive reviews | **88.9% of reviews** | 87.5% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 2 days** |
| Monetization | **Free** | Paid |
| Size | 12 MB | 8 MB |
| Requires iOS | 16.0 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Tom Power](https://appshunter.io/developer/1629402664) | [Caelum Audio](https://appshunter.io/developer/1463219587) |

## What reviewers say

### 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 |


### SUBscription Synth

[App page](https://appshunter.io/ios/app/subscription-synth/id6450652011)

This app transforms user-entered text into unique monophonic sub-synth waveshapes. It offers a text-to-synthesis engine, drive and dirt effects, a low-pass filter, and extensive modulation options for creating powerful bass sounds.

**Highlights:** Text-to-synthesis engine, Monophonic sub-synth, Drive and dirt effects, 12dB/oct low-pass filter, 2 envelopes, 2 LFOs, 4 expression controls, AUv3 plugin and standalone operation

**In-app purchases:** none


## Frequently asked questions

### Is Spiral Chorus free?

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

### Is SUBscription Synth free?

SUBscription Synth costs $2.99, with no in-app purchases.

### Which has better reviews, Spiral Chorus or SUBscription Synth?

Spiral Chorus is rated higher. Spiral Chorus averages 5.0 out of 5 from 15 ratings, while SUBscription Synth averages 4.6 from 42 ratings.

### Do Spiral Chorus or SUBscription Synth have ads?

Neither Spiral Chorus nor SUBscription Synth shows ads.

### Which is updated more often, Spiral Chorus or SUBscription Synth?

Spiral Chorus ships an update every 15 months, and SUBscription Synth every 2 days. Most recently, Spiral Chorus was updated on September 10, 2026 and SUBscription Synth on September 23, 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.*