# Helio Sequencer vs King Key

The clearest difference is price: Helio Sequencer at Free against King Key's $1.99. King Key's advantage is rating (4.9 vs 4.4) and review sentiment (100% vs 86%). On ratings volume, ads, in-app purchases and device support there is nothing between them.

Helio Sequencer 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 4.4. Both are backed by a comparable volume of ratings — 13 and 15 respectively. Written reviews point the same way: 86% of Helio Sequencer's written reviews are positive against 100% of King Key's.

## The numbers

| Metric | Helio Sequencer | King Key |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | [4.4 (13 ratings)](https://appshunter.io/ios/app/helio-sequencer/id6502380900/reviews) | **[4.9 (15 ratings)](https://appshunter.io/ios/app/king-key/id6504887055/reviews)** |
| Number of ratings | 13 | **15** |
| Positive reviews | 85.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Monetization | **Free** | Paid |
| Size | 7 MB | 12 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Peter Rudenko](https://appshunter.io/developer/943796587) | [Caelum Audio](https://appshunter.io/developer/1463219587) |

## What reviewers say

### 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


### 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 Helio Sequencer free?

Helio Sequencer 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, Helio Sequencer or King Key?

King Key is rated higher. Helio Sequencer averages 4.4 out of 5 from 13 ratings, while King Key averages 4.9 from 15 ratings.

### Do Helio Sequencer or King Key have ads?

Neither Helio Sequencer 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.*