# Schlap AUv3 vs KNOCK

The clearest difference is rating: Schlap AUv3 at 4.9 against KNOCK's 4.0. Schlap AUv3 also leads on review sentiment (100% vs 58%) and price ($4.99 vs $9.99). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

Schlap AUv3 costs $4.99 and KNOCK $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Schlap AUv3 holds the better App Store score, 4.9 against 4.0. Both are backed by a comparable volume of ratings — 17 and 22 respectively. Written reviews point the same way: 100% of Schlap AUv3's written reviews are positive against 58% of KNOCK's.

Schlap AUv3 ships an update every 11 months, KNOCK every 39 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Schlap AUv3 | KNOCK |
| --- | --- | --- |
| Price | **$4.99** | $9.99 |
| Rating | **[4.9 (17 ratings)](https://appshunter.io/ios/app/schlap-auv3/id1544325236/reviews)** | [4.0 (22 ratings)](https://appshunter.io/ios/app/knock/id6443654114/reviews) |
| Number of ratings | 17 | **22** |
| Positive reviews | **100.0% of reviews** | 57.9% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 11 months** | Every 39 months |
| Monetization | Paid | Paid |
| Best chart rank | **#176** | — |
| Size | 5 MB | 9 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Caelum Audio Ltd](https://appshunter.io/developer/1463219587) | [Plugins That Knock](https://appshunter.io/developer/1648092173) |

## What reviewers say

### Schlap AUv3

[App page](https://appshunter.io/ios/app/schlap-auv3/id1544325236)

**Currently charting:** #176 Top Paid · Music (US App Store)

This audio plugin offers an aggressive, characterful compressor inspired by vintage hardware. It enhances tracks with energy and impact by utilizing RMS detection for dynamic and punchy sound. It functions as a standalone app or an AUv3 plugin within music production hosts.

**Highlights:** Aggressive program-dependent compressor, RMS detection for dynamic sound, Standalone app and AUv3 plugin, Inspired by vintage hardware, Enhances track energy and impact

**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 Schlap AUv3 free?

Schlap AUv3 costs $4.99, with no in-app purchases.

### Is KNOCK free?

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

### Which has better reviews, Schlap AUv3 or KNOCK?

Schlap AUv3 is rated higher. Schlap AUv3 averages 4.9 out of 5 from 17 ratings, while KNOCK averages 4.0 from 22 ratings.

### Do Schlap AUv3 or KNOCK have ads?

Neither Schlap AUv3 nor KNOCK shows ads.

### Which is updated more often, Schlap AUv3 or KNOCK?

Schlap AUv3 ships an update every 11 months, and KNOCK every 39 months. Most recently, Schlap AUv3 was updated on October 24, 2026 and KNOCK on October 25, 2026.

---

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