# Helio Sequencer vs ATTACK

The clearest difference is update cadence: ATTACK at every 2 weeks against Helio Sequencer's every 3 months. Helio Sequencer's advantage is device support (3 vs 1) and iOS requirement (11.0 vs 18.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Helio Sequencer ships an update every 3 months, ATTACK every 2 weeks. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Helio Sequencer | ATTACK |
| --- | --- | --- |
| 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 | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 7 MB | 7 MB |
| Requires iOS | **11.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Peter Rudenko](https://appshunter.io/developer/943796587) | [Aliaksandr Haurylau](https://appshunter.io/developer/6808333021) |

## 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


### ATTACK

[App page](https://appshunter.io/ios/app/attack-noise-pedal/id6808333019)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Helio Sequencer free?

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

### Is ATTACK free?

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

### Do Helio Sequencer or ATTACK have ads?

Neither Helio Sequencer nor ATTACK shows ads.

### Which is updated more often, Helio Sequencer or ATTACK?

Helio Sequencer ships an update every 3 months, and ATTACK every 2 weeks. Most recently, Helio Sequencer was updated on November 4, 2026 and ATTACK on October 31, 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.*