# RingsFX vs Dub Filter

The clearest difference is update cadence: RingsFX at fortnightly against Dub Filter's every 15 months. RingsFX also leads on ratings volume (26 vs 6). On price, rating, review sentiment and ads there is nothing between them.

RingsFX costs $14.99 and Dub Filter $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 — 4.9 for RingsFX against 5.0 for Dub Filter. Both are backed by a comparable volume of ratings — 26 and 6 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

RingsFX ships an update fortnightly, Dub Filter every 15 months. The most recent releases landed on October 16, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | RingsFX | Dub Filter |
| --- | --- | --- |
| Price | $14.99 | $14.99 |
| Rating | [4.9 (26 ratings)](https://appshunter.io/ios/app/ringsfx/id6478013769/reviews) | **[5.0 (6 ratings)](https://appshunter.io/ios/app/dub-filter-high-pass/id6478895441/reviews)** |
| Number of ratings | **26** | 6 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 15 months |
| Monetization | Paid | Paid |
| Size | 23 MB | 21 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [4Pockets.com](https://appshunter.io/developer/370131860) | [AudioThing Ltd.](https://appshunter.io/developer/1659941236) |

## What reviewers say

### 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


### Dub Filter

[App page](https://appshunter.io/ios/app/dub-filter-high-pass/id6478895441)

This audio plugin emulates a legendary vintage high-pass filter, offering eleven frequency steps and controls for resonance, magnetism, character, dynamics, and artifacts. It includes LFO and Envelope Follower modulation sources for creative sound design.

**Highlights:** Vintage high-pass filter emulation, Eleven frequency steps, Adjustable resonance, Magnetism, Character, Dynamics, Artifacts controls, LFO modulation, Envelope Follower modulation, Standalone and AUv3 formats

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is RingsFX free?

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

### Is Dub Filter free?

Dub Filter costs $14.99, with no in-app purchases.

### Which has better reviews, RingsFX or Dub Filter?

Dub Filter is rated higher. RingsFX averages 4.9 out of 5 from 26 ratings, while Dub Filter averages 5.0 from 6 ratings.

### Do RingsFX or Dub Filter have ads?

Neither RingsFX nor Dub Filter shows ads.

### Which is updated more often, RingsFX or Dub Filter?

RingsFX ships an update fortnightly, and Dub Filter every 15 months. Most recently, RingsFX was updated on October 16, 2026 and Dub Filter on October 1, 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.*