# AUFX vs Fluss

The clearest difference is price: AUFX at $4.99 against Fluss's $13.99. AUFX also leads on iOS requirement (9.0 vs 12). Fluss's advantage is rating (4.8 vs 4.3) and review sentiment (78% vs 66%). On ratings volume, update cadence, ads and in-app purchases there is nothing between them.

AUFX costs $4.99 and Fluss $13.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Fluss holds the better App Store score, 4.8 against 4.3. Both are backed by a comparable volume of ratings — 32 and 71 respectively. Written reviews point the same way: 66% of AUFX's written reviews are positive against 78% of Fluss's.

AUFX ships an update every 5 months, Fluss every 3 months. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | AUFX | Fluss |
| --- | --- | --- |
| Price | **$4.99** | $13.99 |
| Rating | [4.3 (32 ratings)](https://appshunter.io/ios/app/aufxpush/id958106165/reviews) | **[4.8 (71 ratings)](https://appshunter.io/ios/app/fluss-granular-playground/id6443472888/reviews)** |
| Number of ratings | 32 | **71** |
| Positive reviews | 65.8% of reviews | **78.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 months** |
| Monetization | Paid | Paid |
| Size | 5 MB | 453 MB |
| Requires iOS | **9.0** | 12 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kymatica AB](https://appshunter.io/developer/522046659) | [Bram Bos](https://appshunter.io/developer/325340444) |

## What reviewers say

### AUFX

[App page](https://appshunter.io/ios/app/aufxpush/id958106165)

This app offers a versatile stereo dynamics processor with advanced features like a noise gate, compressor/expander, and limiter. It allows for a wide range of audio manipulation, from subtle adjustments to extreme effects, with external side-chain capabilities and high-quality DSP.

**Highlights:** Stereo dynamics processor, Noise gate, Compressor/expander, External side-chain input, Lookahead limiter, High quality 32-bit DSP

**Features:** Vision Pro support

**In-app purchases:** none


### Fluss

[App page](https://appshunter.io/ios/app/fluss-granular-playground/id6443472888)

Explore granular synthesis with a tactile interface. Import, record, or live-process audio to create unique sound textures, drones, and echoes. Features kinetic sliders for dynamic modulation and a unique shimmer feedback effect.

**Highlights:** Granular synthesis engine, Import, record, or live process audio, Kinetic sliders for modulation, Shimmer feedback effect, MIDI playable, Oberheim Xpander inspired filter, Microtonal experiment support

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 💡 Innovative touch interface
- 🎶 Great for soundscapes
- ✨ Unique sound manipulation
- 🎛️ Intuitive controls
- 🎵 Highly playable instrument

**What reviewers complain about**

- 🐛 Crashes frequently
- ⚫ Black screen issue
- 🎧 No audible output
- 🎛️ Not enough control
- 😵 Too much chaos

**Reported bugs**

- Crashes with black screen
- No audible output
- App resets when put in background
- Cyan play head difficult to see on waveform

**Requested features**

- Adjustable layer field per grain
- Record from internal microphone
- More control over grain direction
- BPM settings
- Transition from clean to new sounds


## Frequently asked questions

### Is AUFX free?

AUFX costs $4.99, with no in-app purchases.

### Is Fluss free?

Fluss costs $13.99, with no in-app purchases.

### Which has better reviews, AUFX or Fluss?

Fluss is rated higher. AUFX averages 4.3 out of 5 from 32 ratings, while Fluss averages 4.8 from 71 ratings.

### Do AUFX or Fluss have ads?

Neither AUFX nor Fluss shows ads.

### Which is updated more often, AUFX or Fluss?

AUFX ships an update every 5 months, and Fluss every 3 months. Most recently, AUFX was updated on October 24, 2026 and Fluss on October 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.*