# Filterjam vs GSDSP MMM

The clearest difference is update cadence: GSDSP MMM at every 5 weeks against Filterjam's every 22 months. GSDSP MMM also leads on iOS requirement (12.0 vs 14.0). Filterjam's advantage is rating (5.0 vs 4.7) and review sentiment (83% vs 67%). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Filterjam holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 34 and 36 respectively. Written reviews point the same way: 83% of Filterjam's written reviews are positive against 67% of GSDSP MMM's.

Filterjam ships an update every 22 months, GSDSP MMM every 5 weeks. The most recent releases landed on October 15, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Filterjam | GSDSP MMM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (34 ratings)](https://appshunter.io/ios/app/filterjam/id1659941144/reviews)** | [4.7 (36 ratings)](https://appshunter.io/ios/app/gsdsp-mmm/id6443846329/reviews) |
| Number of ratings | 34 | **36** |
| Positive reviews | **83.3% of reviews** | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 22 months | **Every 5 weeks** |
| Monetization | Free | Free |
| Size | 25 MB | 65 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AudioThing Ltd.](https://appshunter.io/developer/1659941236) | [Gustav Scholda](https://appshunter.io/developer/1642323227) |

## What reviewers say

### Filterjam

[App page](https://appshunter.io/ios/app/filterjam/id1659941144)

This app offers a multiband resonant filter for creating unique audio effects. It divides input signals into four bands, allowing for various sonic manipulations from subtle enhancements to extreme sound mangling.

**Highlights:** Multiband resonant filtering, 4-band signal division, Sum or multiply band modes, Versatile sound shaping, Ringmod-like effects

**Features:** Vision Pro support

**In-app purchases:** none


### 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 Filterjam free?

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

### Is GSDSP MMM free?

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

### Which has better reviews, Filterjam or GSDSP MMM?

Filterjam is rated higher. Filterjam averages 5.0 out of 5 from 34 ratings, while GSDSP MMM averages 4.7 from 36 ratings.

### Do Filterjam or GSDSP MMM have ads?

Neither Filterjam nor GSDSP MMM shows ads.

### Which is updated more often, Filterjam or GSDSP MMM?

Filterjam ships an update every 22 months, and GSDSP MMM every 5 weeks. Most recently, Filterjam was updated on October 15, 2026 and GSDSP MMM on October 20, 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.*