# Sopranotron 2 vs King Key

The clearest difference is price: Sopranotron 2 at Free against King Key's $1.99. Sopranotron 2 also leads on iOS requirement (9.3 vs 12.0). King Key's advantage is rating (4.9 vs 4.3). On review sentiment, ratings volume, ads and in-app purchases there is nothing between them.

Sopranotron 2 is free to download; King Key costs $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 4.3. Both are backed by a comparable volume of ratings — 7 and 15 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

## The numbers

| Metric | Sopranotron 2 | King Key |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | [4.3 (7 ratings)](https://appshunter.io/ios/app/sopranotron-2/id1447101182/reviews) | **[4.9 (15 ratings)](https://appshunter.io/ios/app/king-key/id6504887055/reviews)** |
| Number of ratings | 7 | **15** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Monetization | **Free** | Paid |
| Size | 115 MB | 12 MB |
| Requires iOS | **9.3** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Phil Atkin](https://appshunter.io/developer/1751268739) | [Caelum Audio Ltd](https://appshunter.io/developer/1463219587) |

## What reviewers say

### Sopranotron 2

[App page](https://appshunter.io/ios/app/sopranotron-2/id1447101182)

This app provides high-quality virtual soprano voice and violin samples for music production. It features a new virtual tape replay engine with clean, vibrant sounds, perfect for adding vocal and string textures to any mix.

**Highlights:** Virtual tape replay engine, Soprano vocal samples, Violin samples, Multiple sample sets and mixes, High-quality audio, Clean, vibrant sounds

**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 Sopranotron 2 free?

Sopranotron 2 is free to download, with no in-app purchases.

### Is King Key free?

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

### Which has better reviews, Sopranotron 2 or King Key?

King Key is rated higher. Sopranotron 2 averages 4.3 out of 5 from 7 ratings, while King Key averages 4.9 from 15 ratings.

### Do Sopranotron 2 or King Key have ads?

Neither Sopranotron 2 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.*