# WOW Filterbox vs GSDSP MMM

The clearest difference is in-app purchases: GSDSP MMM at none against WOW Filterbox's 1. GSDSP MMM also leads on update cadence (every 5 weeks vs every 4 months) and device support (3 vs 1). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. WOW Filterbox sells 1 one-off in-app purchase. GSDSP MMM asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.6 for WOW Filterbox against 4.7 for GSDSP MMM. Both are backed by a comparable volume of ratings — 30 and 36 respectively. Written reviews are what separate them: 64% of WOW Filterbox's written reviews are positive against 67% of GSDSP MMM's.

WOW Filterbox ships an update every 4 months, GSDSP MMM every 5 weeks. The most recent releases landed on October 23, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | WOW Filterbox | GSDSP MMM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (30 ratings)](https://appshunter.io/ios/app/wow-filterbox/id666864434/reviews) | **[4.7 (36 ratings)](https://appshunter.io/ios/app/gsdsp-mmm/id6443846329/reviews)** |
| Number of ratings | 30 | **36** |
| Positive reviews | 64.3% of reviews | **66.7% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 5 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 86 MB | 65 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sugar Bytes GmbH](https://appshunter.io/developer/614418826) | [Gustav Scholda](https://appshunter.io/developer/1642323227) |

## What reviewers say

### WOW Filterbox

[App page](https://appshunter.io/ios/app/wow-filterbox/id666864434)

This app offers a creative multi-filterbox with 21 filter types, analog and digital distortions, and powerful modulation options. It includes an integrated player and recorder, XY-pads for parameter control, and supports MIDI and Ableton Link.

**Highlights:** 21 filter types, Analog and digital distortion, Step sequencer & wobble generator, LFO with multiple waveforms, XY-Pads for parameter control, Integrated player and recorder, MIDI support & Ableton Link

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WOW Full Version | $19.99 | one-time |


### GSDSP MMM

[App page](https://appshunter.io/ios/app/gsdsp-mmm/id6443846329)

This app offers a robust MIDI modulation engine for controlling various instruments and plugins. It allows users to create dynamic audio with LFOs, random sources, and more, featuring a performance-focused interface for live use.

**Highlights:** MIDI CC control for plugins and hardware, LFOs, random sources, and envelope followers, Audio-based modulation capabilities, Dedicated Performance Skin for live use, AUv3 audio effect plugin, Desktop versions for Windows and macOS

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

**In-app purchases:** none


## Frequently asked questions

### Is WOW Filterbox free?

WOW Filterbox is free to download, with in-app purchases available.

### Is GSDSP MMM free?

GSDSP MMM is free to download, with no in-app purchases.

### Which has better reviews, WOW Filterbox or GSDSP MMM?

GSDSP MMM is rated higher. WOW Filterbox averages 4.6 out of 5 from 30 ratings, while GSDSP MMM averages 4.7 from 36 ratings.

### Do WOW Filterbox or GSDSP MMM have ads?

Neither WOW Filterbox nor GSDSP MMM shows ads.

### Which is updated more often, WOW Filterbox or GSDSP MMM?

WOW Filterbox ships an update every 4 months, and GSDSP MMM every 5 weeks. Most recently, WOW Filterbox was updated on October 23, 2026 and GSDSP MMM on October 27, 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.*