# MIDI Motif Maker vs SL Knock

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.

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.

## The numbers

| Metric | MIDI Motif Maker | SL Knock |
| --- | --- | --- |
| Price | **$5.99** | $6.99 |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/midi-motif-maker/id6761099562/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 87.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Weekly |
| Monetization | Paid | — |
| Size | 201 MB | 28 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Alexandru George Tanasa](https://appshunter.io/developer/1887785779) | [VIACHESLAV ZHILTSOV](https://appshunter.io/developer/1862005860) |

## What reviewers say

### MIDI Motif Maker

[App page](https://appshunter.io/ios/app/midi-motif-maker/id6761099562)

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.

**Highlights:** 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

**Features:** macOS Compatibility

**In-app purchases:** none


### SL Knock

[App page](https://appshunter.io/ios/app/sl-knock/id6797349065)

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

**In-app purchases:** none


## Frequently asked questions

### Is MIDI Motif Maker free?

MIDI Motif Maker costs $5.99, with no in-app purchases.

### Is SL Knock free?

SL Knock costs $6.99, with no in-app purchases.

### Do MIDI Motif Maker or SL Knock have ads?

Neither MIDI Motif Maker nor SL Knock shows ads.

### Which is updated more often, MIDI Motif Maker or SL Knock?

MIDI Motif Maker ships an update every 5 days, and SL Knock weekly. Most recently, MIDI Motif Maker was updated on October 24, 2026 and SL Knock on October 16, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*