# SWAM Euphonium vs GRFX

The clearest difference is price: GRFX at $6.99 against SWAM Euphonium's $29.99. GRFX also leads on review sentiment (78% vs 50%) and ratings volume (11 vs 3). SWAM Euphonium's advantage is rating (5.0 vs 4.6) and iOS requirement (15.0 vs 17.0). On update cadence, ads, in-app purchases and monetization model there is nothing between them.

SWAM Euphonium costs $29.99 and GRFX $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

SWAM Euphonium holds the better App Store score, 5.0 against 4.6. Both are backed by a comparable volume of ratings — 3 and 11 respectively. Written reviews complicate that: 50% of SWAM Euphonium'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.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | SWAM Euphonium | GRFX |
| --- | --- | --- |
| Price | $29.99 | **$6.99** |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/swam-euphonium/id1470391512/reviews)** | [4.6 (11 ratings)](https://appshunter.io/ios/app/grfx-granular-effects/id6745477065/reviews) |
| Number of ratings | 3 | **11** |
| Positive reviews | 50.0% of reviews | **77.8% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Paid | Paid |
| Size | 89 MB | 117 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Audio Modeling](https://appshunter.io/developer/1326331126) | [Imaginando Lda](https://appshunter.io/developer/895445015) |

## What reviewers say

### SWAM Euphonium

[App page](https://appshunter.io/ios/app/swam-euphonium/id1470391512)

This app offers highly realistic and expressive virtual euphonium sounds for musicians. It utilizes physical modeling technology to dynamically generate sound in real-time, responding to subtle playing nuances. Features include a room simulator, built-in effects, and extensive customization options for a truly immersive brass performance.

**Highlights:** Physical modeling sound generation, Room Simulator 'Ambiente', Standalone and AUv3 plugin support, MPE and MIDI controller compatibility, Customizable timbre, vibrato, and dynamics, Built-in EQ and Compressor effects, Modeled mutes for tonal variety

**In-app purchases:** none


### GRFX

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

Transform ordinary audio into extraordinary sonic landscapes with real-time granular effects. Slice and reshape sound into evolving textures, rhythmic glitches, and haunting drones using an intuitive pitch controller and extensive modulation options.

**Highlights:** Granular engine for textures and rhythms, Harmonic Triangle pitch control, Multi-effect chain with probabilistic routing, Four self-modulating LFOs, Drag-and-drop modulation system, Rhythmic synchronization

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SWAM Euphonium free?

SWAM Euphonium costs $29.99, with no in-app purchases.

### Is GRFX free?

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

### Which has better reviews, SWAM Euphonium or GRFX?

SWAM Euphonium is rated higher. SWAM Euphonium averages 5.0 out of 5 from 3 ratings, while GRFX averages 4.6 from 11 ratings.

### Do SWAM Euphonium or GRFX have ads?

Neither SWAM Euphonium nor GRFX shows ads.

### Which is updated more often, SWAM Euphonium or GRFX?

SWAM Euphonium ships an update every 2 months, and GRFX every 2 months. Most recently, SWAM Euphonium was updated on November 3, 2026 and GRFX on November 5, 2026.

---

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