MIDI Motif Maker vs SL Knock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MIDI Motif Maker
Generate unique melodies with a single tap using a constraint solver and Markov engine. Shape, remix, and export your musical ideas as MIDI files. This app works offline and offers built-in music theory references.
- One-tap melody generation
- Remix melodies with 15 scale modes
- Apply 15 development techniques
- Export as standard MIDI files
- AUv3 MIDI plugin support
- Offline operation
- Built-in music theory references
Read full descriptionHide full description
Stuck for ideas? MIDI Motif Maker generates a finished melody in one tap — then lets you shape, play, and export it as MIDI. No AI, no cloud, no subscription. Built for songwriters, producers, and music students, it turns a blank screen into a usable musical idea in seconds on iPhone, on iPad, and as an AUv3 MIDI plugin right inside your favourite music app. GENERATE • One-tap melody generation — a constraint solver plus a Markov engine • Best-of randomization: auditions multiple candidates and keeps the most musical one • Many built-in motifs to remix across classical, cinematic, jazz, acid-303, rock riffs, ostinatos, and pop themes SHAPE & REMIX • 15 scale modes (major, minor, Dorian, blues, pentatonic and more) with one-tap key transpose • 9 song-form templates (sentence, period, ternary, rondo, bar form, theme & variations…) expanded into labelled sections • 15 development techniques — inversion, retrograde, augmentation, sequence, fragmentation and more • Slice & remix any idea with 6 intelligent strategies LEARN • Built-in music-theory references — chord charts, scale libraries, and interval guides AUv3 PLUGIN — PLAY IT INSIDE YOUR DAW • Run MIDI Motif Maker as an AUv3 MIDI plugin inside AUM, Loopy Pro, Drambo, Logic Pro for iPad, and other AUv3 hosts SEND & EXPORT • Export standard MIDI files (.mid) and share to Files, AirDrop, GarageBand, or any MIDI app • Stream MIDI live over CoreMIDI to hardware synths and to other iOS music apps via a built-in virtual MIDI source • Network MIDI and Bluetooth MIDI supported • Keeps playing and sending while in the background PRIVATE & OFFLINE — MADE BY YOU, NOT BY AI • No generative AI and no machine-learning models — melodies come from music theory and classic algorithms running on your device • Nothing is trained on other artists' music • No internet, no cloud, no account — works fully offline • No tracking, no data collection — your ideas never leave your iPhone • One-time purchase. No subscription. No two ideas the same. iPhone & iPad • iOS 17+
SL Knock
Read full descriptionHide full description
SL Knock is a focused AUv3 dynamics and tone effect for adding punch, body and controlled low-end weight to drums, samples and loops. • Fast controls for impact and body • Tone shaping for tighter or heavier character • Mix control for parallel processing • Factory presets and local user presets • AUv3 support for compatible iPad music hosts Works as a standalone preview app and as an AUv3 effect in GarageBand, AUM, Cubasis, BeatMaker 3 and other compatible hosts.
Screenshots
Verdict
The clearest difference is price: MIDI Motif Maker at $5.99 against SL Knock's $6.99. SL Knock's advantage is iOS requirement (15.0 vs 17.0). On update cadence, ads, in-app purchases and device support 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
MIDI Motif Maker costs $5.99 and SL Knock $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.
MIDI Motif Maker ships an update every 5 days, SL Knock weekly. The most recent releases landed on October 24, 2026 and October 16, 2026 respectively.
| Parameter | MIDI Motif Maker | SL Knock |
|---|---|---|
| Price | $5.99 — better | $6.99 |
| Rating | 3.7 (3 ratings) — better | — |
| Positive reviews | 87.5% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 5 days — better | Weekly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 201 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | Alexandru George Tanasa | VIACHESLAV ZHILTSOV |
In-app purchases
MIDI Motif Maker
No in-app purchases
SL Knock
No in-app purchases









