# Midi Echo AU vs King Key

The clearest difference is review sentiment: King Key at 100% against Midi Echo AU's 50%. King Key also leads on rating (4.9 vs 3.5). On price, ratings volume, ads and in-app purchases there is nothing between them.

Midi Echo AU costs $1.99 and King Key $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

King Key holds the better App Store score, 4.9 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 100% of King Key's.

## The numbers

| Metric | Midi Echo AU | King Key |
| --- | --- | --- |
| Price | $1.99 | $1.99 |
| Rating | [3.5 (8 ratings)](https://appshunter.io/ios/app/midi-echo-au/id1422324067/reviews) | **[4.9 (15 ratings)](https://appshunter.io/ios/app/king-key/id6504887055/reviews)** |
| Number of ratings | 8 | **15** |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | — |
| Monetization | Paid | Paid |
| Size | 13 MB | 12 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [anthony saunders](https://appshunter.io/developer/460303742) | [Caelum Audio Ltd](https://appshunter.io/developer/1463219587) |

## 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


### King Key

[App page](https://appshunter.io/ios/app/king-key/id6504887055)

This app provides high-quality one-shot keyboard samples, including vintage typewriters and modern synthesizers. It offers 9 instruments and 11 presets, usable as a standalone instrument or an AUv3 plugin within music production hosts.

**Highlights:** High-quality one-shot keyboard samples, Vintage typewriter and MIDI keyboard sounds, 9 instruments and 11 presets, AUv3 plugin compatibility, Standalone instrument mode, Proprietary high-detailed sampling techniques

**In-app purchases:** none


## Frequently asked questions

### Is Midi Echo AU free?

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

### Is King Key free?

King Key costs $1.99, with no in-app purchases.

### Which has better reviews, Midi Echo AU or King Key?

King Key is rated higher. Midi Echo AU averages 3.5 out of 5 from 8 ratings, while King Key averages 4.9 from 15 ratings.

### Do Midi Echo AU or King Key have ads?

Neither Midi Echo AU nor King Key shows ads.

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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.*