# FAC Medusa vs KNOCK

The clearest difference is rating: FAC Medusa at 5.0 against KNOCK's 4.0. FAC Medusa also leads on review sentiment (100% vs 58%) and update cadence (every 4 months vs every 39 months). KNOCK's advantage is in-app purchases (none vs 3) and chart position (#195 vs unranked). On price, ratings volume, ads and monetization model there is nothing between them.

FAC Medusa costs $9.99 and KNOCK $9.99 up front. FAC Medusa sells 3 one-off in-app purchases. KNOCK asks for nothing beyond the download.

FAC Medusa holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 23 and 23 respectively. Written reviews point the same way: 100% of FAC Medusa's written reviews are positive against 58% of KNOCK's.

FAC Medusa ships an update every 4 months, KNOCK every 39 months. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | FAC Medusa | KNOCK |
| --- | --- | --- |
| Price | $9.99 | $9.99 |
| Rating | **[5.0 (23 ratings)](https://appshunter.io/ios/app/fac-medusa/id1633097373/reviews)** | [4.0 (23 ratings)](https://appshunter.io/ios/app/knock/id6443654114/reviews) |
| Number of ratings | 23 | 23 |
| Positive reviews | **100.0% of reviews** | 57.9% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 39 months |
| Monetization | Paid | Paid |
| Best chart rank | — | **#195** |
| Size | 3 MB | 9 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Frederic Corvest](https://appshunter.io/developer/1230164765) | [Plugins That Knock](https://appshunter.io/developer/1648092173) |

## What reviewers say

### FAC Medusa

[App page](https://appshunter.io/ios/app/fac-medusa/id1633097373)

This versatile audio processor offers a characterful compressor with multiple dynamic controls. It allows for detailed sound shaping through 3-band tone controls, split frequency compression, and both downward and upward compression types. Enhance your audio with parallel compression, a brickwall limiter, and precise metering.

**Highlights:** Characterful compressor with multiple dynamic processors, 3-Band input tone controls with adjustable crossovers, Split/Sum frequency bands before compression, Downward and Upward compression types, Parallel compression and master Brickwall limiter, Sidechain and multi-outs support, Precise metering with decibel values

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $1.99 | one-time |
| Medium Tip | $4.99 | one-time |
| Large Tip | $14.99 | one-time |


### KNOCK

[App page](https://appshunter.io/ios/app/knock/id6443654114)

**Currently charting:** #195 Top Paid · Music (US App Store)

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 FAC Medusa free?

FAC Medusa costs $9.99, and also offers in-app purchases.

### Is KNOCK free?

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

### Which has better reviews, FAC Medusa or KNOCK?

FAC Medusa is rated higher. FAC Medusa averages 5.0 out of 5 from 23 ratings, while KNOCK averages 4.0 from 23 ratings.

### Do FAC Medusa or KNOCK have ads?

Neither FAC Medusa nor KNOCK shows ads.

### Which is updated more often, FAC Medusa or KNOCK?

FAC Medusa ships an update every 4 months, and KNOCK every 39 months. Most recently, FAC Medusa was updated on November 3, 2026 and KNOCK on November 7, 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.*