# iDensity vs SynthScaper

The clearest difference is price: iDensity at $9.99 against SynthScaper's $14.99. iDensity also leads on rating (4.9 vs 4.6). SynthScaper's advantage is iOS requirement (10.0 vs 17.0). On review sentiment, ratings volume, update cadence and ads there is nothing between them.

iDensity costs $9.99 and SynthScaper $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

iDensity holds the better App Store score, 4.9 against 4.6. Both are backed by a comparable volume of ratings — 48 and 72 respectively. Written reviews split almost evenly too, at 86% and 87% positive.

iDensity ships an update monthly, SynthScaper every 2 months. The most recent releases landed on October 29, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | iDensity | SynthScaper |
| --- | --- | --- |
| Price | **$9.99** | $14.99 |
| Rating | **[4.9 (48 ratings)](https://appshunter.io/ios/app/idensity/id464660779/reviews)** | [4.6 (72 ratings)](https://appshunter.io/ios/app/synthscaper/id1175892734/reviews) |
| Number of ratings | 48 | **72** |
| Positive reviews | 86.1% of reviews | **86.8% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Paid | Paid |
| Size | 17 MB | 68 MB |
| Requires iOS | 17.0 | **10.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [apeSoft](https://appshunter.io/developer/464660782) | [Igor Vasiliev](https://appshunter.io/developer/424401626) |

## 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


### SynthScaper

[App page](https://appshunter.io/ios/app/synthscaper/id1175892734)

Create unique ambient soundscapes with a powerful synthesizer. Experiment with multi-layered oscillators, filters, and effects to generate everything from melodic instruments to abstract noises. Features a neural network for generating new presets and extensive MIDI/screen keyboard control.

**Highlights:** Multi-layered oscillators, Chains of filters and effects, Envelope generators and LFOs, Designer tool for preset generation, Flexible screen and MIDI keyboard control, Inter-App Audio and Audiobus 3 support

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- ✨ Amazing soundscapes
- 💡 Endless creative possibilities
- 🎨 Deep and complex sound design
- 🎶 Inspiring randomizer function
- 🚀 Powerful and versatile synth

**What reviewers complain about**

- 🤯 Steep learning curve
- 🐌 Laggy response
- 🔋 Battery hog
- 😵 Obscure and archaic interface
- ❓ Unclear UI elements

**Reported bugs**

- Crashing issue (resolved)
- Laggy response to key touch
- App doesn't stop in background
- Clipping and digital distortion on iPad Pro
- Modal dialogue boxes require multiple dives

**Requested features**

- AUv3 compatibility
- Audio Unit support
- Update or new version
- MPE keyboard support
- Export files to lite version


## Frequently asked questions

### Is iDensity free?

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

### Is SynthScaper free?

SynthScaper costs $14.99, with no in-app purchases.

### Which has better reviews, iDensity or SynthScaper?

iDensity is rated higher. iDensity averages 4.9 out of 5 from 48 ratings, while SynthScaper averages 4.6 from 72 ratings.

### Do iDensity or SynthScaper have ads?

Neither iDensity nor SynthScaper shows ads.

### Which is updated more often, iDensity or SynthScaper?

iDensity ships an update monthly, and SynthScaper every 2 months. Most recently, iDensity was updated on October 29, 2026 and SynthScaper on October 26, 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.*