# Spiral Chorus vs Helio Sequencer

The clearest difference is rating: Spiral Chorus at 5.0 against Helio Sequencer's 4.4. Helio Sequencer's advantage is in-app purchases (none vs 3) and update cadence (every 3 months vs every 15 months). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. Spiral Chorus sells 3 one-off in-app purchases. Helio Sequencer asks for nothing beyond the download.

Spiral Chorus holds the better App Store score, 5.0 against 4.4. Both are backed by a comparable volume of ratings — 15 and 13 respectively. Written reviews point the same way: 89% of Spiral Chorus's written reviews are positive against 86% of Helio Sequencer's.

Spiral Chorus ships an update every 15 months, Helio Sequencer every 3 months. The most recent releases landed on September 10, 2026 and September 6, 2026 respectively.

## The numbers

| Metric | Spiral Chorus | Helio Sequencer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (15 ratings)](https://appshunter.io/ios/app/spiral-chorus/id6449840927/reviews)** | [4.4 (13 ratings)](https://appshunter.io/ios/app/helio-sequencer/id6502380900/reviews) |
| Number of ratings | **15** | 13 |
| Positive reviews | **88.9% of reviews** | 85.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 12 MB | 7 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) | [Peter Rudenko](https://appshunter.io/developer/943796587) |

## 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 |


### Helio Sequencer

[App page](https://appshunter.io/ios/app/helio-sequencer/id6502380900)

A free and open-source music sequencer designed for hobbyist composers, game developers, and indie artists. Comprehensive documentation is available to help users get started with its features.

**Highlights:** Open-source music sequencer, Aimed at hobbyist composers, Supports game developers, For indie artists, Includes documentation

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

**In-app purchases:** none


## Frequently asked questions

### Is Spiral Chorus free?

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

### Is Helio Sequencer free?

Helio Sequencer is free to download, with no in-app purchases.

### Which has better reviews, Spiral Chorus or Helio Sequencer?

Spiral Chorus is rated higher. Spiral Chorus averages 5.0 out of 5 from 15 ratings, while Helio Sequencer averages 4.4 from 13 ratings.

### Do Spiral Chorus or Helio Sequencer have ads?

Neither Spiral Chorus nor Helio Sequencer shows ads.

### Which is updated more often, Spiral Chorus or Helio Sequencer?

Spiral Chorus ships an update every 15 months, and Helio Sequencer every 3 months. Most recently, Spiral Chorus was updated on September 10, 2026 and Helio Sequencer on September 6, 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.*