# JAX Convolutor PRO (AU) vs PaSSBot

The clearest difference is price: JAX Convolutor PRO (AU) at $9.99 against PaSSBot's $34.99. JAX Convolutor PRO (AU) also leads on device support (3 vs 1). PaSSBot's advantage is rating (5.0 vs 4.6) and update cadence (every 4 months vs every 25 months). On review sentiment, ratings volume, ads and in-app purchases there is nothing between them.

JAX Convolutor PRO (AU) costs $9.99 and PaSSBot $34.99 up front. Neither carries in-app purchases, so what you see is what you pay.

PaSSBot holds the better App Store score, 5.0 against 4.6. Both are backed by a comparable volume of ratings — 5 and 8 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

JAX Convolutor PRO (AU) ships an update every 25 months, PaSSBot every 4 months. The most recent releases landed on September 23, 2026 and June 30, 2026 respectively.

## The numbers

| Metric | JAX Convolutor PRO (AU) | PaSSBot |
| --- | --- | --- |
| Price | **$9.99** | $34.99 |
| Rating | [4.6 (5 ratings)](https://appshunter.io/ios/app/jax-convolutor-pro-au/id1494157807/reviews) | **[5.0 (8 ratings)](https://appshunter.io/ios/app/passbot/id1557720096/reviews)** |
| Number of ratings | 5 | **8** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 25 months | **Every 4 months** |
| Monetization | Paid | Paid |
| Size | 139 MB | 11 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jens Guell](https://appshunter.io/developer/1195004865) | [SonicPlanet Audio Video Teknolojileri Anonim Sti.](https://appshunter.io/developer/946568989) |

## 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


### PaSSBot

[App page](https://appshunter.io/ios/app/passbot/id1557720096)

This app is a stochastic filter bank audio processor for iPad, offering advanced sound manipulation with various filter types and powerful stochastic generators. It allows for precise control over filter parameters and harmonic distribution, ideal for creating complex audio textures.

**Highlights:** Stochastic filter bank audio processor, Multiple filter types (Biquad, Ladder, SEM, Resonators), Up to 64 filters in stereo, Powerful stochastic generators, Individual filter parameter control, Harmonic distribution options, Precision DSP rendering (<1ms control rate)

**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 PaSSBot free?

PaSSBot costs $34.99, with no in-app purchases.

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

PaSSBot is rated higher. JAX Convolutor PRO (AU) averages 4.6 out of 5 from 5 ratings, while PaSSBot averages 5.0 from 8 ratings.

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

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

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

JAX Convolutor PRO (AU) ships an update every 25 months, and PaSSBot every 4 months. Most recently, JAX Convolutor PRO (AU) was updated on September 23, 2026 and PaSSBot on June 30, 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.*