# SyndtSphere vs QuadroSphere

The clearest difference is review sentiment: QuadroSphere at 100% against SyndtSphere's 40%. QuadroSphere also leads on rating (5.0 vs 3.7) and update cadence (every 3 weeks vs every 23 months). SyndtSphere's advantage is price ($1.99 vs $14.99). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

SyndtSphere costs $1.99 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 3.7. Both are backed by a comparable volume of ratings — 18 and 10 respectively. Written reviews point the same way: 40% of SyndtSphere's written reviews are positive against 100% of QuadroSphere's.

SyndtSphere ships an update every 23 months, QuadroSphere every 3 weeks. The most recent releases landed on October 9, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | SyndtSphere | QuadroSphere |
| --- | --- | --- |
| Price | **$1.99** | $14.99 |
| Rating | [3.7 (18 ratings)](https://appshunter.io/ios/app/syndtsphere/id1273945851/reviews) | **[5.0 (10 ratings)](https://appshunter.io/ios/app/quadrosphere/id6740915664/reviews)** |
| Number of ratings | **18** | 10 |
| Positive reviews | 40.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 23 months | **Every 3 weeks** |
| Monetization | Paid | Paid |
| Best chart rank | — | **#194** |
| Size | 15 MB | 18 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Klevgrand Produkter AB](https://appshunter.io/developer/1118902192) | [4Pockets.com](https://appshunter.io/developer/370131860) |

## What reviewers say

### SyndtSphere

[App page](https://appshunter.io/ios/app/syndtsphere/id1273945851)

Explore a novel approach to sound design with this synthesizer. Rotate a sphere with over 70 presets to discover ideal sounds, enhanced by a stereo ping-pong delay and global settings. It's AUv3 compatible for use within other music production apps.

**Highlights:** Spherical sound exploration, AUv3 plugin compatibility, High-quality audio engine, Stereo ping-pong delay, Legato mode with glide

**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 SyndtSphere free?

SyndtSphere costs $1.99, with no in-app purchases.

### Is QuadroSphere free?

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

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

QuadroSphere is rated higher. SyndtSphere averages 3.7 out of 5 from 18 ratings, while QuadroSphere averages 5.0 from 10 ratings.

### Do SyndtSphere or QuadroSphere have ads?

Neither SyndtSphere nor QuadroSphere shows ads.

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

SyndtSphere ships an update every 23 months, and QuadroSphere every 3 weeks. Most recently, SyndtSphere was updated on October 9, 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.*