# Midi Echo AU vs Spiral Chorus

The clearest difference is price: Spiral Chorus at Free against Midi Echo AU's $1.99. Spiral Chorus also leads on rating (5.0 vs 3.5) and review sentiment (89% vs 50%). Midi Echo AU's advantage is in-app purchases (none vs 3) and update cadence (every 6 weeks vs every 15 months). On ratings volume, ads and device support there is nothing between them.

Spiral Chorus is free to download; Midi Echo AU costs $1.99 up front. Spiral Chorus sells 3 one-off in-app purchases. Midi Echo AU asks for nothing beyond the download.

Spiral Chorus holds the better App Store score, 5.0 against 3.5. Both are backed by a comparable volume of ratings — 8 and 15 respectively. Written reviews point the same way: 50% of Midi Echo AU's written reviews are positive against 89% of Spiral Chorus's.

Midi Echo AU ships an update every 6 weeks, Spiral Chorus every 15 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Midi Echo AU | Spiral Chorus |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [3.5 (8 ratings)](https://appshunter.io/ios/app/midi-echo-au/id1422324067/reviews) | **[5.0 (15 ratings)](https://appshunter.io/ios/app/spiral-chorus/id6449840927/reviews)** |
| Number of ratings | 8 | **15** |
| Positive reviews | 50.0% of reviews | **88.9% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 15 months |
| Monetization | Paid | **Free** |
| Size | 13 MB | 12 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [anthony saunders](https://appshunter.io/developer/460303742) | [Tom Power](https://appshunter.io/developer/1629402664) |

## What reviewers say

### Midi Echo AU

[App page](https://appshunter.io/ios/app/midi-echo-au/id1422324067)

This app creates repeating MIDI note effects, similar to audio echoes but for digital music signals. It allows for independent control of note-on and note-off messages, offering extensive customization for musical expression.

**Highlights:** Selectable echo types (fixed, ping pong, taper), Adjustable number of echoes (0-20), MIDI velocity reduction for quieter echoes, Define pitch interval for successive echoes, Tempo sync or mSec delay time, Set MIDI channel for echoes, Disable individual echoes, MIDI thru control

**Features:** Vision Pro support

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Midi Echo AU free?

Midi Echo AU costs $1.99, with no in-app purchases.

### Is Spiral Chorus free?

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

### Which has better reviews, Midi Echo AU or Spiral Chorus?

Spiral Chorus is rated higher. Midi Echo AU averages 3.5 out of 5 from 8 ratings, while Spiral Chorus averages 5.0 from 15 ratings.

### Do Midi Echo AU or Spiral Chorus have ads?

Neither Midi Echo AU nor Spiral Chorus shows ads.

### Which is updated more often, Midi Echo AU or Spiral Chorus?

Midi Echo AU ships an update every 6 weeks, and Spiral Chorus every 15 months. Most recently, Midi Echo AU was updated on November 2, 2026 and Spiral Chorus on November 3, 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.*