# SyndtSphere vs Stellarvox

The clearest difference is review sentiment: Stellarvox at 100% against SyndtSphere's 40%. Stellarvox also leads on rating (5.0 vs 3.7) and update cadence (every 5 months vs every 23 months). SyndtSphere's advantage is price ($1.99 vs $11.99) and iOS requirement (13.0 vs 15.0). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

SyndtSphere costs $1.99 and Stellarvox $11.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Stellarvox holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 18 and 11 respectively. Written reviews point the same way: 40% of SyndtSphere's written reviews are positive against 100% of Stellarvox's.

SyndtSphere ships an update every 23 months, Stellarvox every 5 months. Both last shipped on October 9, 2026.

## The numbers

| Metric | SyndtSphere | Stellarvox |
| --- | --- | --- |
| Price | **$1.99** | $11.99 |
| Rating | [3.7 (18 ratings)](https://appshunter.io/ios/app/syndtsphere/id1273945851/reviews) | **[5.0 (11 ratings)](https://appshunter.io/ios/app/stellarvox/id6472060413/reviews)** |
| Number of ratings | **18** | 11 |
| Positive reviews | 40.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 23 months | **Every 5 months** |
| Monetization | Paid | Paid |
| Size | 15 MB | 4 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Klevgrand Produkter AB](https://appshunter.io/developer/1118902192) | [Igor Vasiliev](https://appshunter.io/developer/424401626) |

## 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


### Stellarvox

[App page](https://appshunter.io/ios/app/stellarvox/id6472060413)

Design immersive ambient soundscapes with a hybrid reverb and artificial space designer. Create lush textures, deep spaces, and whispering backgrounds for electronic, experimental, and sound design projects. Offers intuitive controls and inspiring presets for quick, high-quality results.

**Highlights:** Hybrid reverb with artificial space designer, Algorithmic reflections tail processing, Dynamic timbre changes over time, Geometry and dimension control, Factory presets and random feature, MIDI learn support, Standalone and AUv3 module

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SyndtSphere free?

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

### Is Stellarvox free?

Stellarvox costs $11.99, with no in-app purchases.

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

Stellarvox is rated higher. SyndtSphere averages 3.7 out of 5 from 18 ratings, while Stellarvox averages 5.0 from 11 ratings.

### Do SyndtSphere or Stellarvox have ads?

Neither SyndtSphere nor Stellarvox shows ads.

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

SyndtSphere ships an update every 23 months, and Stellarvox every 5 months. Most recently, SyndtSphere was updated on October 9, 2026 and Stellarvox on October 9, 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.*