# DirectionalEQ vs QuadroSphere

The clearest difference is review sentiment: QuadroSphere at 100% against DirectionalEQ's 33%. QuadroSphere also leads on rating (5.0 vs 3.6) and update cadence (every 3 weeks vs every 19 months). DirectionalEQ's advantage is price ($9.99 vs $14.99) and iOS requirement (9.3 vs 13.0). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

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

QuadroSphere holds the better App Store score, 5.0 against 3.6. Both are backed by a comparable volume of ratings — 14 and 10 respectively. Written reviews point the same way: 33% of DirectionalEQ's written reviews are positive against 100% of QuadroSphere's.

DirectionalEQ ships an update every 19 months, QuadroSphere every 3 weeks. The most recent releases landed on September 21, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | DirectionalEQ | QuadroSphere |
| --- | --- | --- |
| Price | **$9.99** | $14.99 |
| Rating | [3.6 (14 ratings)](https://appshunter.io/ios/app/directionaleq/id1301365260/reviews) | **[5.0 (10 ratings)](https://appshunter.io/ios/app/quadrosphere/id6740915664/reviews)** |
| Number of ratings | **14** | 10 |
| Positive reviews | 33.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 3 weeks** |
| Monetization | Paid | Paid |
| Size | 11 MB | 18 MB |
| Requires iOS | **9.3** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Christian Siedschlag](https://appshunter.io/developer/538434682) | [4Pockets.com](https://appshunter.io/developer/370131860) |

## What reviewers say

### DirectionalEQ

[App page](https://appshunter.io/ios/app/directionaleq/id1301365260)

This audio plugin allows independent equalization of different directions within the stereo field. It offers five bands with advanced filter types, enabling precise adjustments to specific audio directions for a more nuanced sound. Designed for use within compatible music production host apps.

**Highlights:** Independent equalization of stereo field directions, Five bands with state-of-the-art filter types, 64-bit processing and 2x oversampling, Specify direction for each band's operation, Works as an Audio Unit or Inter App Audio plugin

**Features:** Vision Pro support

**In-app purchases:** none


### QuadroSphere

[App page](https://appshunter.io/ios/app/quadrosphere/id6740915664)

This audio plugin allows musicians to sculpt immersive soundscapes by controlling stereo placement and effects across four distinct frequency bands. Create dynamic, atmospheric audio with automated movement and morphing between saved settings.

**Highlights:** 4 configurable frequency bands, Control stereo separation, level, and pan per band, Create and morph between 12 snapshots, Modulation control for automated sweeps, Per-band effects (Haas, Delay, Reverb, Chorus, Compressor), Convert mono to pseudo-stereo, MIDI CC control

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DirectionalEQ free?

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

### Is QuadroSphere free?

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

### Which has better reviews, DirectionalEQ or QuadroSphere?

QuadroSphere is rated higher. DirectionalEQ averages 3.6 out of 5 from 14 ratings, while QuadroSphere averages 5.0 from 10 ratings.

### Do DirectionalEQ or QuadroSphere have ads?

Neither DirectionalEQ nor QuadroSphere shows ads.

### Which is updated more often, DirectionalEQ or QuadroSphere?

DirectionalEQ ships an update every 19 months, and QuadroSphere every 3 weeks. Most recently, DirectionalEQ was updated on September 21, 2026 and QuadroSphere on October 1, 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.*