# Fluss vs OUTSIDIFY

The clearest difference is price: OUTSIDIFY at $5.99 against Fluss's $13.99. OUTSIDIFY also leads on update cadence (weekly vs every 3 months) and review sentiment (89% vs 78%). Fluss's advantage is ratings volume (71 vs 15) and iOS requirement (12 vs 15.2). On rating, ads, in-app purchases and monetization model there is nothing between them.

Fluss costs $13.99 and OUTSIDIFY $5.99 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 — 4.8 for Fluss against 4.9 for OUTSIDIFY. Both are backed by a comparable volume of ratings — 71 and 15 respectively. Written reviews are what separate them: 78% of Fluss's written reviews are positive against 89% of OUTSIDIFY's.

Fluss ships an update every 3 months, OUTSIDIFY weekly. Both last shipped on October 25, 2026.

## The numbers

| Metric | Fluss | OUTSIDIFY |
| --- | --- | --- |
| Price | $13.99 | **$5.99** |
| Rating | [4.8 (71 ratings)](https://appshunter.io/ios/app/fluss-granular-playground/id6443472888/reviews) | **[4.9 (15 ratings)](https://appshunter.io/ios/app/outsidify/id6466588903/reviews)** |
| Number of ratings | **71** | 15 |
| Positive reviews | 78.0% of reviews | **88.9% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | Paid | Paid |
| Size | 453 MB | 8 MB |
| Requires iOS | **12** | 15.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bram Bos](https://appshunter.io/developer/325340444) | [BASTL INSTRUMENTS](https://appshunter.io/developer/1707501258) |

## What reviewers say

### 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


### OUTSIDIFY

[App page](https://appshunter.io/ios/app/outsidify/id6466588903)

Explore and manipulate ambient sounds using your smartphone's microphone and speaker. Create unique audio effects, capture environmental resonances, and experiment with sound in real-world spaces. Unleash your creativity and discover new sonic possibilities.

**Highlights:** Create feedback loops, Manipulate external sounds, Use phone as resonant filter, Capture impulse responses, Explore real-world acoustics

**In-app purchases:** none


## Frequently asked questions

### Is Fluss free?

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

### Is OUTSIDIFY free?

OUTSIDIFY costs $5.99, with no in-app purchases.

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

OUTSIDIFY is rated higher. Fluss averages 4.8 out of 5 from 71 ratings, while OUTSIDIFY averages 4.9 from 15 ratings.

### Do Fluss or OUTSIDIFY have ads?

Neither Fluss nor OUTSIDIFY shows ads.

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

Fluss ships an update every 3 months, and OUTSIDIFY weekly. Most recently, Fluss was updated on October 25, 2026 and OUTSIDIFY on October 25, 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.*