sequencism vs KNOCK
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
sequencism
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.
- 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
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Description sequencism is a music sketchbook tool that allows the creation of short and simple pieces of music. It is designed to provide a traditional user interface of track and piano roll editors, while taking advantage of the touch-screen capabilities of the iPad. It also includes other helper tools, such as chord helper tracks. Note that the main goal of this app is to work as a sketchbook, thus it is not recommended to use sequencism to produce complex songs or to play songs live on stage. Features • Simple track mixer and visual mixer (volume, pan) • Multitrack editor: MIDI instrument tracks, chord helper tracks • Support for SF2* and AUv3 instruments (*lightweight SF2 files only) • AUv3 Effects support • AU MIDI support for instruments and effects • Piano roll editor: add, move, copy notes within blocks • MIDI keyboard, supports multiple scales, including user-defined scales • Support for diatonic and chromatic chords, borrowed chords (modal interchange) • Automatic transposing when changing chords or scales • Supports Audiobus 3 and Ableton Link • Support for MIDI keyboards, including Bluetooth keyboards • Export to MIDI Planned features • Undo, Redo • Automation • Import MIDI files (improve existing support) --------- AUv3 instruments requires iPad Mini 2, iPad 4 or newer. AU MIDI requires iOS 11 or newer.
KNOCK
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.
- Slap and punch through mixes
- Signature drum sound
- Extreme ease of use
- Seamless workflow integration
- Crafted by platinum producer
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KNOCK is the last plugin you will ever need to make your drums slap and punch through your mix. This plugin was meticulously crafted by platinum producer & award winning sound designer, DECAP. It is inspired by the signature sound of his popular drum kit series DRUMS THAT KNOCK, which has helped shaped the sonics of modern music. KNOCK is optimized for extreme ease of use for beginners and professionals alike. Use KNOCK to make your drums slap, and take you to the next level. Whether you are new to producing, or a seasoned pro, KNOCK will seamlessly fit into your workflow.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | sequencism | KNOCK |
|---|---|---|
| Price | Free — better | $9.99 |
| Rating | 3.9 (18 ratings) | 3.9 (21 ratings) |
| Positive reviews | 66.7% of reviews — better | 57.9% of reviews |
| Number of ratings | 18 | 21 — better |
| Update frequency | Every 2 months — better | Every 39 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPad | iPhone, iPad, iPod — better |
| Requires iOS | 9.3 — better | 12.0 |
| Further details — not scored | ||
| Size | 26 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Rodrigo Roman | Plugins That Knock |
Customer experience
sequencism
KNOCK
In-app purchases
sequencism
No in-app purchases
KNOCK
No in-app purchases









