# QuantiChord vs QuadroSphere

The clearest difference is rating: QuadroSphere at 5.0 against QuantiChord's 4.0. QuadroSphere also leads on review sentiment (100% vs 60%) and update cadence (every 3 weeks vs every 2 months). QuantiChord's advantage is price ($12.99 vs $14.99). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

QuantiChord costs $12.99 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 4.0. Both are backed by a comparable volume of ratings — 11 and 10 respectively. Written reviews point the same way: 60% of QuantiChord's written reviews are positive against 100% of QuadroSphere's.

QuantiChord ships an update every 2 months, QuadroSphere every 3 weeks. The most recent releases landed on September 27, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | QuantiChord | QuadroSphere |
| --- | --- | --- |
| Price | **$12.99** | $14.99 |
| Rating | [4.0 (11 ratings)](https://appshunter.io/ios/app/quantichord/id1439713799/reviews) | **[5.0 (10 ratings)](https://appshunter.io/ios/app/quadrosphere/id6740915664/reviews)** |
| Number of ratings | **11** | 10 |
| Positive reviews | 60.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Paid | Paid |
| Best chart rank | — | **#194** |
| Size | 34 MB | 18 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Laurent Colson](https://appshunter.io/developer/381525765) | [4Pockets.com](https://appshunter.io/developer/370131860) |

## What reviewers say

### QuantiChord

[App page](https://appshunter.io/ios/app/quantichord/id1439713799)

This app generates chords from incoming notes and quantizes them to a selected scale. It functions as a standalone application or an AUv3 MIDI effect plugin, offering extensive MIDI connectivity and an internal sound bank.

**Highlights:** Standalone app and AUv3 MIDI effect plugin, Chord generation with transposing notes, Scale quantization, Full internal and external MIDI support, Internal sound bank, Preset management and sharing

**Features:** Vision Pro support

**In-app purchases:** none


### QuadroSphere

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

**Currently charting:** #194 Top Paid · Music (US App Store)

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 QuantiChord free?

QuantiChord costs $12.99, with no in-app purchases.

### Is QuadroSphere free?

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

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

QuadroSphere is rated higher. QuantiChord averages 4.0 out of 5 from 11 ratings, while QuadroSphere averages 5.0 from 10 ratings.

### Do QuantiChord or QuadroSphere have ads?

Neither QuantiChord nor QuadroSphere shows ads.

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

QuantiChord ships an update every 2 months, and QuadroSphere every 3 weeks. Most recently, QuantiChord was updated on September 27, 2026 and QuadroSphere on October 8, 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.*