# Kalimba Keys vs RingsFX

The clearest difference is price: Kalimba Keys at $4.99 against RingsFX's $14.99. RingsFX's advantage is update cadence (fortnightly vs every 6 months). On rating, review sentiment, ratings volume and ads there is nothing between them.

Kalimba Keys costs $4.99 and RingsFX $14.99 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 — 5.0 for Kalimba Keys against 4.9 for RingsFX. Both are backed by a comparable volume of ratings — 14 and 26 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Kalimba Keys ships an update every 6 months, RingsFX fortnightly. The most recent releases landed on September 7, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Kalimba Keys | RingsFX |
| --- | --- | --- |
| Price | **$4.99** | $14.99 |
| Rating | **[5.0 (14 ratings)](https://appshunter.io/ios/app/kalimba-keys/id6474580189/reviews)** | [4.9 (26 ratings)](https://appshunter.io/ios/app/ringsfx/id6478013769/reviews) |
| Number of ratings | 14 | **26** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Fortnightly** |
| Monetization | Paid | Paid |
| Size | 112 MB | 23 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [OSC Audio](https://appshunter.io/developer/1693533681) | [4Pockets.com](https://appshunter.io/developer/370131860) |

## What reviewers say

### Kalimba Keys

[App page](https://appshunter.io/ios/app/kalimba-keys/id6474580189)

This app offers a realistic and expressive Kalimba instrument experience with studio-quality sound. It features detailed sampling, a variety of built-in effects, and cross-platform preset management for seamless creativity.

**Highlights:** Individually-sampled Kalimba notes, Multiple Kalimba sound variations, Modulation and Space & Time FX, Adjustable effects order, 35 included presets, Cross-platform preset sharing, Standalone app and AUv3 compatibility

**Features:** macOS Compatibility, 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 Kalimba Keys free?

Kalimba Keys costs $4.99, with no in-app purchases.

### Is RingsFX free?

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

### Which has better reviews, Kalimba Keys or RingsFX?

Kalimba Keys is rated higher. Kalimba Keys averages 5.0 out of 5 from 14 ratings, while RingsFX averages 4.9 from 26 ratings.

### Do Kalimba Keys or RingsFX have ads?

Neither Kalimba Keys nor RingsFX shows ads.

### Which is updated more often, Kalimba Keys or RingsFX?

Kalimba Keys ships an update every 6 months, and RingsFX fortnightly. Most recently, Kalimba Keys was updated on September 7, 2026 and RingsFX on September 25, 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.*