# BLEASS Slow Machine vs GRFX

The clearest difference is update cadence: GRFX at monthly against BLEASS Slow Machine's every 28 months. BLEASS Slow Machine's advantage is ratings volume (38 vs 11) and iOS requirement (12.0 vs 17.0). On price, rating, review sentiment and ads there is nothing between them.

BLEASS Slow Machine costs $6.99 and GRFX $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.7 for BLEASS Slow Machine against 4.6 for GRFX. Both are backed by a comparable volume of ratings — 38 and 11 respectively. Written reviews are what separate them: 82% of BLEASS Slow Machine's written reviews are positive against 78% of GRFX's.

BLEASS Slow Machine ships an update every 28 months, GRFX monthly. The most recent releases landed on October 7, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | BLEASS Slow Machine | GRFX |
| --- | --- | --- |
| Price | $6.99 | $6.99 |
| Rating | **[4.7 (38 ratings)](https://appshunter.io/ios/app/bleass-slow-machine/id1544923864/reviews)** | [4.6 (11 ratings)](https://appshunter.io/ios/app/grfx-granular-effects/id6745477065/reviews) |
| Number of ratings | **38** | 11 |
| Positive reviews | **81.8% of reviews** | 77.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 28 months | **Monthly** |
| Monetization | Paid | Paid |
| Size | 27 MB | 117 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | +4 | 4+ |
| Developer | [BLEASS](https://appshunter.io/developer/1220444177) | [Imaginando Lda](https://appshunter.io/developer/895445015) |

## What reviewers say

### BLEASS Slow Machine

[App page](https://appshunter.io/ios/app/bleass-slow-machine/id1544923864)

This music effect app offers creative ways to manipulate audio, allowing you to slow down tracks, create tape stop effects, and program speed variations. It provides precise control over rhythm, pitch, and timing for unique sound design.

**Highlights:** Creative slow down effect, Tape stop effect with performance controls, Speed sequencer for programmed variations, Adjustable loop size and speed, Filter for frequency band control, Multiple time stop modes

**In-app purchases:** none


### GRFX

[App page](https://appshunter.io/ios/app/grfx-granular-effects/id6745477065)

Transform ordinary audio into unique sonic textures, evolving soundscapes, and rhythmic glitches. This app offers precise control over sound manipulation with a unique pitch controller, multiple LFOs, and a flexible multi-effect chain. Create complex and immersive audio transformations in real-time.

**Highlights:** Granular engine for textures and rhythms, Harmonic Triangle pitch controller, Multi-effect chain with probabilistic routing, Four self-modulating LFOs, Real-time audio sculpting, AUv3 plugin and standalone app

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is BLEASS Slow Machine free?

BLEASS Slow Machine costs $6.99, with no in-app purchases.

### Is GRFX free?

GRFX costs $6.99, with no in-app purchases.

### Which has better reviews, BLEASS Slow Machine or GRFX?

BLEASS Slow Machine is rated higher. BLEASS Slow Machine averages 4.7 out of 5 from 38 ratings, while GRFX averages 4.6 from 11 ratings.

### Do BLEASS Slow Machine or GRFX have ads?

Neither BLEASS Slow Machine nor GRFX shows ads.

### Which is updated more often, BLEASS Slow Machine or GRFX?

BLEASS Slow Machine ships an update every 28 months, and GRFX monthly. Most recently, BLEASS Slow Machine was updated on October 7, 2026 and GRFX on October 12, 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.*