# Circa Looper vs GRFX

Circa Looper and GRFX both sit at 4.6 stars, but that hides the real split: 78% of GRFX's written reviews are positive against 33% of Circa Looper's. GRFX also leads on price ($6.99 vs $7.99). Circa Looper's advantage is iOS requirement (12.0 vs 17.0). On rating, ratings volume, update cadence and ads there is nothing between them.

Circa Looper costs $7.99 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 — 4.6 for Circa Looper against 4.6 for GRFX. Both are backed by a comparable volume of ratings — 9 and 11 respectively. Written reviews are what separate them: 33% of Circa Looper's written reviews are positive against 78% of GRFX's.

Circa Looper ships an update every 3 weeks, GRFX monthly. The most recent releases landed on June 11, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Circa Looper | GRFX |
| --- | --- | --- |
| Price | $7.99 | **$6.99** |
| Rating | [4.6 (9 ratings)](https://appshunter.io/ios/app/circa-looper/id6739890878/reviews) | **[4.6 (11 ratings)](https://appshunter.io/ios/app/grfx-granular-effects/id6745477065/reviews)** |
| Number of ratings | 9 | **11** |
| Positive reviews | 33.3% of reviews | **77.8% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Paid | Paid |
| Size | 39 MB | 117 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Audio Damage, Inc.](https://appshunter.io/developer/1248448317) | [Imaginando Lda](https://appshunter.io/developer/895445015) |

## What reviewers say

### Circa Looper

[App page](https://appshunter.io/ios/app/circa-looper/id6739890878)

A powerful multi-channel looping instrument for iPad, designed for musicians and producers. It offers six independent stereo loop layers, deep modulation, precision syncing, and built-in effects for creating complex patterns and evolving soundscapes. Its touch-friendly interface allows for hands-on creative control and seamless DAW integration.

**Highlights:** Six independent stereo loop layers, Deep modulation control, Precision syncing, Built-in reverb and delay, Touch-friendly interface, Full MIDI mapping, Drag-and-drop audio export

**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 Circa Looper free?

Circa Looper costs $7.99, with no in-app purchases.

### Is GRFX free?

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

### Which has better reviews, Circa Looper or GRFX?

GRFX is rated higher. Circa Looper averages 4.6 out of 5 from 9 ratings, while GRFX averages 4.6 from 11 ratings.

### Do Circa Looper or GRFX have ads?

Neither Circa Looper nor GRFX shows ads.

### Which is updated more often, Circa Looper or GRFX?

Circa Looper ships an update every 3 weeks, and GRFX monthly. Most recently, Circa Looper was updated on June 11, 2026 and GRFX on September 9, 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.*