# PaSSBot vs JAX CHROMATIC

The clearest difference is price: JAX CHROMATIC at $12.99 against PaSSBot's $34.99. JAX CHROMATIC also leads on device support (4 vs 1). PaSSBot's advantage is update cadence (every 4 months vs every 14 months) and iOS requirement (11.0 vs 14.0). On rating, review sentiment, ratings volume and ads there is nothing between them.

PaSSBot costs $34.99 and JAX CHROMATIC $12.99 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 — 5.0 for PaSSBot against 4.9 for JAX CHROMATIC. Both are backed by a comparable volume of ratings — 8 and 7 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

PaSSBot ships an update every 4 months, JAX CHROMATIC every 14 months. The most recent releases landed on June 30, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | PaSSBot | JAX CHROMATIC |
| --- | --- | --- |
| Price | $34.99 | **$12.99** |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/passbot/id1557720096/reviews)** | [4.9 (7 ratings)](https://appshunter.io/ios/app/jax-chromatic-compander/id1619225672/reviews) |
| Number of ratings | **8** | 7 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 14 months |
| Monetization | Paid | Paid |
| Size | 11 MB | 23 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [SonicPlanet Audio Video Teknolojileri Anonim Sti.](https://appshunter.io/developer/946568989) | [Jens Guell](https://appshunter.io/developer/1195004865) |

## What reviewers say

### 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


### JAX CHROMATIC

[App page](https://appshunter.io/ios/app/jax-chromatic-compander/id1619225672)

This advanced audio processor splits sound into 32 frequency bands for real-time spectral dynamics modification. It enhances sound perception, removes muddiness, and offers a user-friendly interface for creative mixing and mastering.

**Highlights:** 32-band spectral processing, Real-time compander per band, Analog filter models, Latency-free operation, Mastering and mixing tool, User-friendly interface

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is PaSSBot free?

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

### Is JAX CHROMATIC free?

JAX CHROMATIC costs $12.99, with no in-app purchases.

### Which has better reviews, PaSSBot or JAX CHROMATIC?

PaSSBot is rated higher. PaSSBot averages 5.0 out of 5 from 8 ratings, while JAX CHROMATIC averages 4.9 from 7 ratings.

### Do PaSSBot or JAX CHROMATIC have ads?

Neither PaSSBot nor JAX CHROMATIC shows ads.

### Which is updated more often, PaSSBot or JAX CHROMATIC?

PaSSBot ships an update every 4 months, and JAX CHROMATIC every 14 months. Most recently, PaSSBot was updated on June 30, 2026 and JAX CHROMATIC on September 22, 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.*