# Atomic Metronome vs GRFX

The clearest difference is update cadence: GRFX at monthly against Atomic Metronome's every 3 months. Atomic Metronome's advantage is ratings volume (122 vs 11) and price ($4.99 vs $6.99). On rating, review sentiment, ads and in-app purchases there is nothing between them.

Atomic Metronome costs $4.99 and GRFX $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Atomic Metronome holds the better App Store score, 4.8 against 4.6. That said, the two scores are not equally well evidenced: Atomic Metronome has 122 ratings behind it against 11, so its average is the more settled of the two. Written reviews point the same way: 80% of Atomic Metronome's written reviews are positive against 78% of GRFX's.

Atomic Metronome ships an update every 3 months, GRFX monthly. The most recent releases landed on October 21, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Atomic Metronome | GRFX |
| --- | --- | --- |
| Price | **$4.99** | $6.99 |
| Rating | **[4.8 (122 ratings)](https://appshunter.io/ios/app/atomic-metronome/id1553943163/reviews)** | [4.6 (11 ratings)](https://appshunter.io/ios/app/grfx-granular-effects/id6745477065/reviews) |
| Number of ratings | **122** | 11 |
| Positive reviews | **80.0% of reviews** | 77.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | **Free** | Paid |
| Size | 5 MB | 117 MB |
| Requires iOS | **13.2** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [RT Sixty Ltd](https://appshunter.io/developer/509606275) | [Imaginando Lda](https://appshunter.io/developer/895445015) |

## What reviewers say

### Atomic Metronome

[App page](https://appshunter.io/ios/app/atomic-metronome/id1553943163)

This advanced metronome app offers precise timing with customizable features for musicians. Design click patterns, adjust tempo automatically, and personalize sound and color schemes for an intuitive practice experience.

**Highlights:** Click Sequencer, Tempo Advance mode, Silent Click / Click Gap mode, Detailed Click Sound Designer, Advanced time signatures, Customizable color schemes, Save Setlists

**Features:** macOS Compatibility, Vision Pro support

**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 Atomic Metronome free?

Atomic Metronome costs $4.99, with no in-app purchases.

### Is GRFX free?

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

### Which has better reviews, Atomic Metronome or GRFX?

Atomic Metronome is rated higher. Atomic Metronome averages 4.8 out of 5 from 122 ratings, while GRFX averages 4.6 from 11 ratings.

### Do Atomic Metronome or GRFX have ads?

Neither Atomic Metronome nor GRFX shows ads.

### Which is updated more often, Atomic Metronome or GRFX?

Atomic Metronome ships an update every 3 months, and GRFX monthly. Most recently, Atomic Metronome was updated on October 21, 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.*