# HxMIDI Tools vs GRFX

HxMIDI Tools and GRFX both sit at 4.5 stars, but that hides the real split: 78% of GRFX's written reviews are positive against 0% of HxMIDI Tools's. HxMIDI Tools's advantage is price (Free vs $6.99) and device support (4 vs 2). On rating, ratings volume, update cadence and ads there is nothing between them.

HxMIDI Tools is free to download; GRFX costs $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 — 4.5 for HxMIDI Tools against 4.6 for GRFX. Both are backed by a comparable volume of ratings — 4 and 11 respectively. Written reviews are what separate them: 0% of HxMIDI Tools's written reviews are positive against 78% of GRFX's.

HxMIDI Tools ships an update every 2 weeks, GRFX monthly. The most recent releases landed on October 4, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | HxMIDI Tools | GRFX |
| --- | --- | --- |
| Price | **Free** | $6.99 |
| Rating | [4.5 (4 ratings)](https://appshunter.io/ios/app/hxmidi-tools/id6737767548/reviews) | **[4.6 (11 ratings)](https://appshunter.io/ios/app/grfx-granular-effects/id6745477065/reviews)** |
| Number of ratings | 4 | **11** |
| Positive reviews | 0.0% of reviews | **77.8% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | **Free** | Paid |
| Size | 6 MB | 117 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [CME PTE. LTD.](https://appshunter.io/developer/833376644) | [Imaginando Lda](https://appshunter.io/developer/895445015) |

## What reviewers say

### HxMIDI Tools

[App page](https://appshunter.io/ios/app/hxmidi-tools/id6737767548)

This software allows owners of CME USB MIDI Host products to update firmware and fully configure their devices. Users can manage routing, mapping, and filtering of MIDI and USB inputs and outputs.

**Highlights:** Firmware updates for CME USB MIDI Hosts, Configure routing between MIDI and USB inputs/outputs, Filter incoming MIDI events, Map incoming MIDI events to others, Full product configuration

**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 HxMIDI Tools free?

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

### Is GRFX free?

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

### Which has better reviews, HxMIDI Tools or GRFX?

GRFX is rated higher. HxMIDI Tools averages 4.5 out of 5 from 4 ratings, while GRFX averages 4.6 from 11 ratings.

### Do HxMIDI Tools or GRFX have ads?

Neither HxMIDI Tools nor GRFX shows ads.

### Which is updated more often, HxMIDI Tools or GRFX?

HxMIDI Tools ships an update every 2 weeks, and GRFX monthly. Most recently, HxMIDI Tools was updated on October 4, 2026 and GRFX on October 12, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*