# iDensity vs BLEASS Motion FX

The clearest difference is update cadence: iDensity at monthly against BLEASS Motion FX's every 54 months. iDensity also leads on ratings volume (48 vs 13). BLEASS Motion FX's advantage is review sentiment (100% vs 86%) and price ($7.99 vs $9.99). On rating, ads, in-app purchases and monetization model there is nothing between them.

iDensity costs $9.99 and BLEASS Motion FX $7.99 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 — 4.9 for iDensity against 4.8 for BLEASS Motion FX. Both are backed by a comparable volume of ratings — 48 and 13 respectively. Written reviews are what separate them: 86% of iDensity's written reviews are positive against 100% of BLEASS Motion FX's.

iDensity ships an update monthly, BLEASS Motion FX every 54 months. The most recent releases landed on October 14, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | iDensity | BLEASS Motion FX |
| --- | --- | --- |
| Price | $9.99 | **$7.99** |
| Rating | **[4.9 (48 ratings)](https://appshunter.io/ios/app/idensity/id464660779/reviews)** | [4.8 (13 ratings)](https://appshunter.io/ios/app/bleass-motion-fx/id1551643475/reviews) |
| Number of ratings | **48** | 13 |
| Positive reviews | 86.1% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 54 months |
| Monetization | Paid | Paid |
| Size | 17 MB | 28 MB |
| Requires iOS | 17.0 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [apeSoft](https://appshunter.io/developer/464660782) | [BLEASS](https://appshunter.io/developer/1220444177) |

## What reviewers say

### iDensity

[App page](https://appshunter.io/ios/app/idensity/id464660779)

This app offers real-time asynchronous sound file granulation, enabling users to create a wide array of audio effects. It provides tools for time/pitch manipulation, texture generation, buffer recording, and complex sound exploration. Designed for musicians and sound designers, it offers flexibility for live performance, studio composition, and on-the-go sound design.

**Highlights:** Real-time sound granulation, Time/pitch shifting and jittering, Texture generation, Buffer recording and manipulation, Scrub pad exploration, Dynamic envelope shaping, Audio Unit (AUv3) support

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

**In-app purchases:** none

**What reviewers like**

- ✨ Incredible soundscapes
- 🎛️ Powerful granular synthesis
- 🎚️ Multi-channel capability (6 channels)
- 🎧 Excellent for ambient music
- 💡 Innovative sound design tool

**What reviewers complain about**

- 🤔 Steep learning curve
- 🎨 Unappealing UI/color schemes (for some)
- 🎛️ Counterintuitive controls (for some)
- 💰 In-app purchases can be costly
- ❓ Lack of clear documentation/tutorials (historically)

**Reported bugs**

- Occasional crashes (historically)
- AudioBus issues (historically)
- Preset management not working correctly (historically)
- Transport sync not working (historically)
- GUI bugs (e.g., maximizing a strand)

**Requested features**

- Independent MIDI note control over pitch for each stream
- Alphabetical preset sorting
- Load existing project name into 'Save As'
- Multi-port output for AUM/Ape Matrix
- Built-in wave-editor for sample cutting


### BLEASS Motion FX

[App page](https://appshunter.io/ios/app/bleass-motion-fx/id1551643475)

This app provides a creative workflow for sound design with 11 distinct effects. Dynamically modulate these effects using a versatile motion sequencer to explore new sonic territories. Load multiple instances for complex sound manipulation.

**Highlights:** 11 unique audio effects, Versatile motion sequencer, Dynamic parameter modulation, Load multiple instances, Cross-platform availability (iOS, Windows, macOS)

**In-app purchases:** none


## Frequently asked questions

### Is iDensity free?

iDensity costs $9.99, with no in-app purchases.

### Is BLEASS Motion FX free?

BLEASS Motion FX costs $7.99, with no in-app purchases.

### Which has better reviews, iDensity or BLEASS Motion FX?

iDensity is rated higher. iDensity averages 4.9 out of 5 from 48 ratings, while BLEASS Motion FX averages 4.8 from 13 ratings.

### Do iDensity or BLEASS Motion FX have ads?

Neither iDensity nor BLEASS Motion FX shows ads.

### Which is updated more often, iDensity or BLEASS Motion FX?

iDensity ships an update monthly, and BLEASS Motion FX every 54 months. Most recently, iDensity was updated on October 14, 2026 and BLEASS Motion FX on October 7, 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.*