# PaSSBot vs SL FLUX

The clearest difference is price: SL FLUX at $14.99 against PaSSBot's $34.99. SL FLUX also leads on update cadence (every 8 days vs every 4 months) and device support (3 vs 1). PaSSBot's advantage is iOS requirement (11.0 vs 15.0). On ads and in-app purchases there is nothing between them.

PaSSBot costs $34.99 and SL FLUX $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

PaSSBot ships an update every 4 months, SL FLUX every 8 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | PaSSBot | SL FLUX |
| --- | --- | --- |
| Price | $34.99 | **$14.99** |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/passbot/id1557720096/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 8 days** |
| Monetization | Paid | — |
| Size | 11 MB | 27 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SonicPlanet Audio Video Teknolojileri Anonim Sti.](https://appshunter.io/developer/946568989) | [VIACHESLAV ZHILTSOV](https://appshunter.io/developer/1862005860) |

## 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


### SL FLUX

[App page](https://appshunter.io/ios/app/sl-flux/id6805643142)

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

**In-app purchases:** none


## Frequently asked questions

### Is PaSSBot free?

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

### Is SL FLUX free?

SL FLUX costs $14.99, with no in-app purchases.

### Do PaSSBot or SL FLUX have ads?

Neither PaSSBot nor SL FLUX shows ads.

### Which is updated more often, PaSSBot or SL FLUX?

PaSSBot ships an update every 4 months, and SL FLUX every 8 days. Most recently, PaSSBot was updated on November 3, 2026 and SL FLUX on October 31, 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.*