# SyndtSphere vs RingsFX

The clearest difference is review sentiment: RingsFX at 100% against SyndtSphere's 40%. RingsFX also leads on rating (4.9 vs 3.7) and update cadence (fortnightly 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 RingsFX $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

RingsFX holds the better App Store score, 4.9 against 3.7. Both are backed by a comparable volume of ratings — 18 and 27 respectively. Written reviews point the same way: 40% of SyndtSphere's written reviews are positive against 100% of RingsFX's.

SyndtSphere ships an update every 23 months, RingsFX fortnightly. The most recent releases landed on October 24, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | SyndtSphere | RingsFX |
| --- | --- | --- |
| Price | **$1.99** | $14.99 |
| Rating | [3.7 (18 ratings)](https://appshunter.io/ios/app/syndtsphere/id1273945851/reviews) | **[4.9 (27 ratings)](https://appshunter.io/ios/app/ringsfx/id6478013769/reviews)** |
| Number of ratings | 18 | **27** |
| Positive reviews | 40.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 23 months | **Fortnightly** |
| Monetization | Paid | Paid |
| Size | 15 MB | 23 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


### RingsFX

[App page](https://appshunter.io/ios/app/ringsfx/id6478013769)

This music app emulates a renowned physical modeling synthesizer, offering diverse synthesis techniques and polyphonic capabilities. It allows for real-time parameter manipulation and can process external audio, creating unique sonic textures and rhythms.

**Highlights:** Physical modeling synthesis emulation, Multiple polyphony modes (Mono, Duo, Quad, True Polyphonic), Supports MIDI MPE and velocity sensitivity, External audio excitation, Mod Matrix for real-time parameter control, 7 unique synthesis modes, 6 mod-able and 6 global effects

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SyndtSphere free?

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

### Is RingsFX free?

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

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

RingsFX is rated higher. SyndtSphere averages 3.7 out of 5 from 18 ratings, while RingsFX averages 4.9 from 27 ratings.

### Do SyndtSphere or RingsFX have ads?

Neither SyndtSphere nor RingsFX shows ads.

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

SyndtSphere ships an update every 23 months, and RingsFX fortnightly. Most recently, SyndtSphere was updated on October 24, 2026 and RingsFX on October 20, 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.*