# Filterstep vs Black Distortion

The clearest difference is update cadence: Filterstep at every 6 months against Black Distortion's every 61 months. Filterstep also leads on monetization model (free vs free with in-app purchases) and iOS requirement (9.3 vs 15). Black Distortion's advantage is rating (5.0 vs 4.7). On price, review sentiment, ratings volume and ads there is nothing between them.

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

Black Distortion holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 42 and 24 respectively. Written reviews complicate that: 73% of Filterstep's written reviews are positive against 67% of Black Distortion's, so the app with the better star average is not the one people write more warmly about.

Filterstep ships an update every 6 months, Black Distortion every 61 months. The most recent releases landed on October 17, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Filterstep | Black Distortion |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (42 ratings)](https://appshunter.io/ios/app/filterstep/id1500042551/reviews) | **[5.0 (24 ratings)](https://appshunter.io/ios/app/black-distortion/id1578909355/reviews)** |
| Number of ratings | **42** | 24 |
| Positive reviews | **73.3% of reviews** | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 61 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 12 MB | 42 MB |
| Requires iOS | **9.3** | 15 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AUDIOMODERN](https://appshunter.io/developer/1435691908) | [Nembrini Audio](https://appshunter.io/developer/1493296895) |

## What reviewers say

### Filterstep

[App page](https://appshunter.io/ios/app/filterstep/id1500042551)

This app offers a creative motion filter plugin for real-time rhythmic movement. Explore intricate patterns and sonic possibilities with various filter effect settings and randomization. Shape any sound into a unique groove.

**Highlights:** Real-time rhythmic movement, Intricate filter effect settings, Filter randomization, Three filter types, Sequencer movement control, Infinity mode

**In-app purchases:** none


### Black Distortion

[App page](https://appshunter.io/ios/app/black-distortion/id1578909355)

This audio plugin emulates a classic distortion pedal, offering versatile gain levels from mild overdrive to fuzzy tones. It features a unique filter control to shape high-end frequencies and a volume control for perfect integration with your existing sound. Use it as a primary distortion, a dirty channel for amplifiers, or a boost for solos.

**Highlights:** RAT2 distortion pedal emulation, Adjustable gain from overdrive to fuzz, Legendary filter control for treble shaping, Volume control for clean tone matching, Standalone, AudioUnit v3, and Inter-App Audio support

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Filterstep free?

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

### Is Black Distortion free?

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

### Which has better reviews, Filterstep or Black Distortion?

Black Distortion is rated higher. Filterstep averages 4.7 out of 5 from 42 ratings, while Black Distortion averages 5.0 from 24 ratings.

### Do Filterstep or Black Distortion have ads?

Neither Filterstep nor Black Distortion shows ads.

### Which is updated more often, Filterstep or Black Distortion?

Filterstep ships an update every 6 months, and Black Distortion every 61 months. Most recently, Filterstep was updated on October 17, 2026 and Black Distortion on October 18, 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.*