# iDensity vs e

The clearest difference is price: e at $5.99 against iDensity's $9.99. e also leads on iOS requirement (11.0 vs 17.0). On rating, review sentiment, ratings volume and update cadence there is nothing between them.

iDensity costs $9.99 and e $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 — 4.9 for iDensity against 4.9 for e. Both are backed by a comparable volume of ratings — 48 and 31 respectively. Written reviews split almost evenly too, at 87% and 87% positive.

iDensity ships an update monthly, e every 3 weeks. Both last shipped on November 13, 2026.

## The numbers

| Metric | iDensity | e |
| --- | --- | --- |
| Price | $9.99 | **$5.99** |
| Rating | **[4.9 (48 ratings)](https://appshunter.io/ios/app/idensity/id464660779/reviews)** | [4.9 (31 ratings)](https://appshunter.io/ios/app/e-l-s-a/id833671355/reviews) |
| Number of ratings | **48** | 31 |
| Positive reviews | 86.8% of reviews | **87.1% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Paid | Paid |
| Size | 17 MB | 43 MB |
| Requires iOS | 17.0 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [apeSoft](https://appshunter.io/developer/464660782) | [Erik Sigth](https://appshunter.io/developer/385275335) |

## 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


### e

[App page](https://appshunter.io/ios/app/e-l-s-a/id833671355)

Create retro-style music with a sampling keyboard featuring tempo-based looping. Record, manipulate, and play back samples with various effects and flexible playback modes. Integrate with other audio apps and control parameters via MIDI.

**Highlights:** Retro sampling keyboard, Tempo-based looping, Reverb, bit crusher, resonant filter, Multiple loop and start/stop modes, MIDI control and Core MIDI support, AUv3, Audiobus, Inter App Audio integration

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is iDensity free?

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

### Is e free?

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

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

iDensity is rated higher. iDensity averages 4.9 out of 5 from 48 ratings, while e averages 4.9 from 31 ratings.

### Do iDensity or e have ads?

Neither iDensity nor e shows ads.

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

iDensity ships an update monthly, and e every 3 weeks. Most recently, iDensity was updated on November 13, 2026 and e on November 13, 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.*