# Stereo Delay vs GRFX

The clearest difference is update cadence: GRFX at monthly against Stereo Delay's every 6 months. Stereo Delay's advantage is price ($2.99 vs $6.99) and rating (4.8 vs 4.6). On review sentiment, ratings volume, ads and in-app purchases there is nothing between them.

Stereo Delay costs $2.99 and GRFX $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Stereo Delay holds the better App Store score, 4.8 against 4.6. Both are backed by a comparable volume of ratings — 5 and 11 respectively. Written reviews complicate that: 75% of Stereo Delay's written reviews are positive against 78% of GRFX's, so the app with the better star average is not the one people write more warmly about.

Stereo Delay ships an update every 6 months, GRFX monthly. The most recent releases landed on September 30, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Stereo Delay | GRFX |
| --- | --- | --- |
| Price | **$2.99** | $6.99 |
| Rating | **[4.8 (5 ratings)](https://appshunter.io/ios/app/stereo-delay/id1444589287/reviews)** | [4.6 (11 ratings)](https://appshunter.io/ios/app/grfx-granular-effects/id6745477065/reviews) |
| Number of ratings | 5 | **11** |
| Positive reviews | 75.0% of reviews | **77.8% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Monthly** |
| Monetization | Paid | Paid |
| Size | 2 MB | 117 MB |
| Requires iOS | **10.3** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Blue Mangoo Consulting Company Limited](https://appshunter.io/developer/1475107602) | [Imaginando Lda](https://appshunter.io/developer/895445015) |

## What reviewers say

### Stereo Delay

[App page](https://appshunter.io/ios/app/stereo-delay/id1444589287)

This audio unit plugin creates natural-sounding stereo delays with unique panning that expands stereo width without sounding repetitive. It features filters and a mixing matrix for dynamic echo placement, ideal for adding depth to music.

**Highlights:** Unique stereo panning matrix, Natural, moving stereo echo, Low-cut and hi-cut filters, Feedback control, LFO controlled pan, Requires host app

**Features:** macOS Compatibility

**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 Stereo Delay free?

Stereo Delay costs $2.99, with no in-app purchases.

### Is GRFX free?

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

### Which has better reviews, Stereo Delay or GRFX?

Stereo Delay is rated higher. Stereo Delay averages 4.8 out of 5 from 5 ratings, while GRFX averages 4.6 from 11 ratings.

### Do Stereo Delay or GRFX have ads?

Neither Stereo Delay nor GRFX shows ads.

### Which is updated more often, Stereo Delay or GRFX?

Stereo Delay ships an update every 6 months, and GRFX monthly. Most recently, Stereo Delay was updated on September 30, 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.*