# SECTOR vs Fluss

The clearest difference is price: SECTOR at $8.99 against Fluss's $13.99. SECTOR also leads on review sentiment (90% vs 78%) and iOS requirement (9.0 vs 12). Fluss's advantage is device support (3 vs 1). On rating, ratings volume, update cadence and ads there is nothing between them.

SECTOR costs $8.99 and Fluss $13.99 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 — 4.7 for SECTOR against 4.8 for Fluss. Both are backed by a comparable volume of ratings — 87 and 71 respectively. Written reviews are what separate them: 90% of SECTOR's written reviews are positive against 78% of Fluss's.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 21, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | SECTOR | Fluss |
| --- | --- | --- |
| Price | **$8.99** | $13.99 |
| Rating | [4.7 (87 ratings)](https://appshunter.io/ios/app/sector/id618095247/reviews) | **[4.8 (71 ratings)](https://appshunter.io/ios/app/fluss-granular-playground/id6443472888/reviews)** |
| Number of ratings | **87** | 71 |
| Positive reviews | **90.3% of reviews** | 78.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Paid | Paid |
| Size | 23 MB | 453 MB |
| Requires iOS | **9.0** | 12 |
| Devices | iPad | **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

### SECTOR

[App page](https://appshunter.io/ios/app/sector/id618095247)

This app allows musicians to slice and sequence audio loops using a probability-based matrix and a classic step sequencer. It offers time-bending effects for unique sound manipulation and real-time performance tweaking, bridging the gap between controlled patterns and random sonic exploration.

**Highlights:** Probability-matrix sample slice sequencer, Classic pattern step-sequencer, Time-warping transfer functions, Real-time performance tweaking, Import custom loops, Inter-App Audio and Audiobus support, MIDI Clock sync

**In-app purchases:** none

**What reviewers like**

- 🎨 Beautiful and intuitive visual interface design
- 🎵 Innovative beat slicing and sample manipulation capabilities
- 🎲 Powerful probability-based sequencing and generative features
- ⚡ Immediate and engaging user experience for sound experimentation
- 🔧 Deep control options for both casual and advanced users

**What reviewers complain about**

- ❌ Not available as Audio Unit (AU/AUv3) plugin
- ⏱️ Limited sample time to 3 minutes maximum
- 🚫 No refund policy
- 📱 Not available on macOS or desktop platforms
- 🔊 Steep learning curve despite beautiful interface

**Reported bugs**

- Warp effects occasionally get stuck and repeat longer than intended
- Audio clicks and clipping between slices
- Does not appear as usable Audio Unit in AUM
- Incompatibility with newer iPad display sizes and gestures
- Occasional audio quality degradation with multiple jumps

**Requested features**

- AUv3 plugin support for use in DAWs and AUM
- macOS and desktop application version
- MIDI slave/sync capability and MIDI control mapping
- iPhone compatibility
- Multiple instance support for layering


### 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 SECTOR free?

SECTOR costs $8.99, with no in-app purchases.

### Is Fluss free?

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

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

Fluss is rated higher. SECTOR averages 4.7 out of 5 from 87 ratings, while Fluss averages 4.8 from 71 ratings.

### Do SECTOR or Fluss have ads?

Neither SECTOR nor Fluss shows ads.

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

SECTOR ships an update every 3 months, and Fluss every 3 months. Most recently, SECTOR was updated on October 21, 2026 and Fluss on October 23, 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.*