# Spiral Chorus vs StringLab

The clearest difference is price: Spiral Chorus at Free against StringLab's $14.99. Spiral Chorus also leads on rating (5.0 vs 4.3) and review sentiment (89% vs 57%). StringLab's advantage is in-app purchases (none vs 3) and update cadence (every 10 days vs every 15 months). On ratings volume, ads and device support there is nothing between them.

Spiral Chorus is free to download; StringLab costs $14.99 up front. Spiral Chorus sells 3 one-off in-app purchases. StringLab asks for nothing beyond the download.

Spiral Chorus holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 15 and 14 respectively. Written reviews point the same way: 89% of Spiral Chorus's written reviews are positive against 57% of StringLab's.

Spiral Chorus ships an update every 15 months, StringLab every 10 days. The most recent releases landed on September 10, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Spiral Chorus | StringLab |
| --- | --- | --- |
| Price | **Free** | $14.99 |
| Rating | **[5.0 (15 ratings)](https://appshunter.io/ios/app/spiral-chorus/id6449840927/reviews)** | [4.3 (14 ratings)](https://appshunter.io/ios/app/stringlab/id6461312318/reviews) |
| Number of ratings | **15** | 14 |
| Positive reviews | **88.9% of reviews** | 57.1% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 10 days** |
| Monetization | **Free** | Paid |
| Size | 12 MB | 45 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Tom Power](https://appshunter.io/developer/1629402664) | [4Pockets.com](https://appshunter.io/developer/370131860) |

## 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 |


### StringLab

[App page](https://appshunter.io/ios/app/stringlab/id6461312318)

This app is a digital synthesizer that uses physical string modeling to recreate the sounds of various instruments, particularly plucked or hammered strings. It allows users to explore acoustic physics and create unique instrument textures through extensive parameter experimentation.

**Highlights:** Karplus-Strong physical modeling, Exciter Impact and Noise modes, Resonator objects with feedback, Frequency Dispersion support, External live input, Preset randomizer and manager, Drag & Drop preset export

**In-app purchases:** none


## Frequently asked questions

### Is Spiral Chorus free?

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

### Is StringLab free?

StringLab costs $14.99, with no in-app purchases.

### Which has better reviews, Spiral Chorus or StringLab?

Spiral Chorus is rated higher. Spiral Chorus averages 5.0 out of 5 from 15 ratings, while StringLab averages 4.3 from 14 ratings.

### Do Spiral Chorus or StringLab have ads?

Neither Spiral Chorus nor StringLab shows ads.

### Which is updated more often, Spiral Chorus or StringLab?

Spiral Chorus ships an update every 15 months, and StringLab every 10 days. Most recently, Spiral Chorus was updated on September 10, 2026 and StringLab on September 21, 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.*