# sequencism vs KNOCK

The clearest difference is price: sequencism at Free against KNOCK's $9.99. sequencism also leads on update cadence (every 2 months vs every 39 months) and review sentiment (67% vs 58%). KNOCK's advantage is device support (3 vs 1). On rating, ratings volume, ads and in-app purchases there is nothing between them.

sequencism is free to download; KNOCK costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 3.9 for sequencism against 3.9 for KNOCK. Both are backed by a comparable volume of ratings — 18 and 21 respectively. Written reviews are what separate them: 67% of sequencism's written reviews are positive against 58% of KNOCK's.

sequencism ships an update every 2 months, KNOCK every 39 months. The most recent releases landed on September 23, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | sequencism | KNOCK |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | [3.9 (18 ratings)](https://appshunter.io/ios/app/sequencism/id1240952241/reviews) | [3.9 (21 ratings)](https://appshunter.io/ios/app/knock/id6443654114/reviews) |
| Number of ratings | 18 | **21** |
| Positive reviews | **66.7% of reviews** | 57.9% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 39 months |
| Monetization | **Free** | Paid |
| Size | 26 MB | 9 MB |
| Requires iOS | **9.3** | 12.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Rodrigo Roman](https://appshunter.io/developer/1240952240) | [Plugins That Knock](https://appshunter.io/developer/1648092173) |

## What reviewers say

### sequencism

[App page](https://appshunter.io/ios/app/sequencism/id1240952241)

A music sketchbook tool for creating short, simple musical pieces. It offers traditional track and piano roll editors enhanced with touch-screen capabilities, plus helpful tools like chord helpers. Designed for sketching ideas, not complex productions or live performance.

**Highlights:** Track and piano roll editors, MIDI instrument and AUv3 support, Chord helper tracks, MIDI keyboard with scale support, Export to MIDI, Audiobus 3 and Ableton Link support

**Features:** macOS Compatibility

**In-app purchases:** none


### KNOCK

[App page](https://appshunter.io/ios/app/knock/id6443654114)

Enhance your drum sounds with this audio plugin designed for professional mixing. It helps drums cut through the mix with a powerful, impactful sound. Optimized for ease of use, it suits both new and experienced music producers.

**Highlights:** Slap and punch through mixes, Signature drum sound, Extreme ease of use, Seamless workflow integration, Crafted by platinum producer

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is sequencism free?

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

### Is KNOCK free?

KNOCK costs $9.99, with no in-app purchases.

### Which has better reviews, sequencism or KNOCK?

sequencism and KNOCK are both rated 3.9 out of 5 on the App Store, from 18 and 21 ratings respectively.

### Do sequencism or KNOCK have ads?

Neither sequencism nor KNOCK shows ads.

### Which is updated more often, sequencism or KNOCK?

sequencism ships an update every 2 months, and KNOCK every 39 months. Most recently, sequencism was updated on September 23, 2026 and KNOCK on October 11, 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.*