# Helio Sequencer vs SUS4 BPM

The clearest difference is in-app purchases: Helio Sequencer at none against SUS4 BPM's 1. Helio Sequencer also leads on iOS requirement (11.0 vs 16.0). SUS4 BPM's advantage is update cadence (fortnightly vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. SUS4 BPM sells 1 in-app purchase, starting at $1.99 per month. Helio Sequencer asks for nothing beyond the download.

Helio Sequencer ships an update every 3 months, SUS4 BPM fortnightly. The most recent releases landed on October 7, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Helio Sequencer | SUS4 BPM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (13 ratings)](https://appshunter.io/ios/app/helio-sequencer/id6502380900/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 7 MB | 21 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Peter Rudenko](https://appshunter.io/developer/943796587) | [ThePaulSmith](https://appshunter.io/developer/319584506) |

## 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


### SUS4 BPM

[App page](https://appshunter.io/ios/app/sus4-bpm/id6777229864)

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SUS4 BPM Pro Monthly | $1.99 | per month |


## Frequently asked questions

### Is Helio Sequencer free?

Helio Sequencer is free to download, with no in-app purchases.

### Is SUS4 BPM free?

SUS4 BPM is free to download, with in-app purchases available.

### Do Helio Sequencer or SUS4 BPM have ads?

Neither Helio Sequencer nor SUS4 BPM shows ads.

### Which is updated more often, Helio Sequencer or SUS4 BPM?

Helio Sequencer ships an update every 3 months, and SUS4 BPM fortnightly. Most recently, Helio Sequencer was updated on October 7, 2026 and SUS4 BPM on October 6, 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.*