# Jacquardi4 vs SL Knock

The clearest difference is price: Jacquardi4 at $5.99 against SL Knock's $6.99. On update cadence, ads, in-app purchases and device support there is nothing between them.

Jacquardi4 costs $5.99 and SL Knock $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 25, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Jacquardi4 | SL Knock |
| --- | --- | --- |
| Price | **$5.99** | $6.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Size | 12 MB | 28 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Satoshi Kajii](https://appshunter.io/developer/1777441634) | [VIACHESLAV ZHILTSOV](https://appshunter.io/developer/1862005860) |

## What reviewers say

### Jacquardi4

[App page](https://appshunter.io/ios/app/jacquardi4/id6786135940)

**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 Jacquardi4 free?

Jacquardi4 costs $5.99, with no in-app purchases.

### Is SL Knock free?

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

### Do Jacquardi4 or SL Knock have ads?

Neither Jacquardi4 nor SL Knock shows ads.

### Which is updated more often, Jacquardi4 or SL Knock?

Jacquardi4 ships an update weekly, and SL Knock weekly. Most recently, Jacquardi4 was updated on October 25, 2026 and SL Knock on October 16, 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.*