# Speldosa vs RingsFX

The clearest difference is update cadence: RingsFX at fortnightly against Speldosa's every 10 months. RingsFX also leads on review sentiment (100% vs 72%) and price ($7.99 vs $9.99). On rating, ratings volume, ads and in-app purchases there is nothing between them.

Speldosa costs $9.99 and RingsFX $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.8 for Speldosa against 4.9 for RingsFX. Both are backed by a comparable volume of ratings — 28 and 26 respectively. Written reviews are what separate them: 72% of Speldosa's written reviews are positive against 100% of RingsFX's.

Speldosa ships an update every 10 months, RingsFX fortnightly. The most recent releases landed on September 22, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Speldosa | RingsFX |
| --- | --- | --- |
| Price | $9.99 | **$7.99** |
| Rating | [4.8 (28 ratings)](https://appshunter.io/ios/app/speldosa/id6446171628/reviews) | **[4.9 (26 ratings)](https://appshunter.io/ios/app/ringsfx/id6478013769/reviews)** |
| Number of ratings | **28** | 26 |
| Positive reviews | 72.4% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 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

### Speldosa

[App page](https://appshunter.io/ios/app/speldosa/id6446171628)

This digital instrument plugin recreates the enchanting sound of a music box, offering four distinct sonic characters and two room ambiences. It's designed to inspire immediate melody creation and can be used as a standalone app or an AUv3 plugin.

**Highlights:** Four music box sound models, Two room ambiences, Algorithmic reverb, Optional vibrato, Standalone app and AUv3 plugin

**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 Speldosa free?

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

### Is RingsFX free?

RingsFX costs $7.99, with no in-app purchases.

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

RingsFX is rated higher. Speldosa averages 4.8 out of 5 from 28 ratings, while RingsFX averages 4.9 from 26 ratings.

### Do Speldosa or RingsFX have ads?

Neither Speldosa nor RingsFX shows ads.

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

Speldosa ships an update every 10 months, and RingsFX fortnightly. Most recently, Speldosa was updated on September 22, 2026 and RingsFX on September 21, 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.*