# JAX Convolutor PRO (AU) vs sumFX

JAX Convolutor PRO (AU) and sumFX both sit at 4.6 stars, but that hides the real split: 100% of JAX Convolutor PRO (AU)'s written reviews are positive against 50% of sumFX's. sumFX's advantage is update cadence (every 6 months vs every 25 months). On price, rating, ratings volume and ads there is nothing between them.

JAX Convolutor PRO (AU) costs $9.99 and sumFX $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

JAX Convolutor PRO (AU) holds the better App Store score, 4.6 against 4.4. Both are backed by a comparable volume of ratings — 5 and 12 respectively. Written reviews point the same way: 100% of JAX Convolutor PRO (AU)'s written reviews are positive against 50% of sumFX's.

JAX Convolutor PRO (AU) ships an update every 25 months, sumFX every 6 months. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | JAX Convolutor PRO (AU) | sumFX |
| --- | --- | --- |
| Price | $9.99 | $9.99 |
| Rating | **[4.6 (5 ratings)](https://appshunter.io/ios/app/jax-convolutor-pro-au/id1494157807/reviews)** | [4.4 (12 ratings)](https://appshunter.io/ios/app/sumfx/id6450494474/reviews) |
| Number of ratings | 5 | **12** |
| Positive reviews | **100.0% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 25 months | **Every 6 months** |
| Monetization | Paid | Paid |
| Size | 139 MB | 44 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jens Guell](https://appshunter.io/developer/1195004865) | [OSC Audio](https://appshunter.io/developer/1693533681) |

## What reviewers say

### JAX Convolutor PRO (AU)

[App page](https://appshunter.io/ios/app/jax-convolutor-pro-au/id1494157807)

This app uses complex signal processing to create realistic reverberation effects by analyzing real-world environments. It allows users to apply these effects to audio material, making it sound as if it were played in a specific location. Advanced adjustments can refine the results for professional audio production.

**Highlights:** Realistic reverberation effects, Impulse response analysis, Audio material manipulation, FFT algorithm processing, Customizable adjustments

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

**In-app purchases:** none


### sumFX

[App page](https://appshunter.io/ios/app/sumfx/id6450494474)

This app is a versatile audio effects processor for musicians. It offers a modular design with multiple high-quality FX modules and customizable slots, allowing for quick creation of unique sounds. Focus on your music with intuitive controls and visual feedback.

**Highlights:** Modular multi-FX processor, 8 high-quality FX modules, 8 FX slots with Wet/Dry control, 2 LFOs per slot, 50+ cross-platform presets, Pre/post waveform view

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

**In-app purchases:** none


## Frequently asked questions

### Is JAX Convolutor PRO (AU) free?

JAX Convolutor PRO (AU) costs $9.99, with no in-app purchases.

### Is sumFX free?

sumFX costs $9.99, with no in-app purchases.

### Which has better reviews, JAX Convolutor PRO (AU) or sumFX?

JAX Convolutor PRO (AU) is rated higher. JAX Convolutor PRO (AU) averages 4.6 out of 5 from 5 ratings, while sumFX averages 4.4 from 12 ratings.

### Do JAX Convolutor PRO (AU) or sumFX have ads?

Neither JAX Convolutor PRO (AU) nor sumFX shows ads.

### Which is updated more often, JAX Convolutor PRO (AU) or sumFX?

JAX Convolutor PRO (AU) ships an update every 25 months, and sumFX every 6 months. Most recently, JAX Convolutor PRO (AU) was updated on November 3, 2026 and sumFX on November 7, 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.*