# DubFilter vs RRS EQ3

DubFilter and RRS EQ3 both sit at 4.7 stars, but that hides the real split: 100% of RRS EQ3's written reviews are positive against 73% of DubFilter's. RRS EQ3 also leads on update cadence (monthly vs every 6 months) and iOS requirement (10.0 vs 17.0). DubFilter's advantage is ratings volume (71 vs 23). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. DubFilter sells 1 one-off in-app purchase and RRS EQ3 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.7 for DubFilter against 4.8 for RRS EQ3. Both are backed by a comparable volume of ratings — 71 and 23 respectively. Written reviews are what separate them: 73% of DubFilter's written reviews are positive against 100% of RRS EQ3's.

DubFilter ships an update every 6 months, RRS EQ3 monthly. The most recent releases landed on September 22, 2026 and August 20, 2026 respectively.

## The numbers

| Metric | DubFilter | RRS EQ3 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (71 ratings)](https://appshunter.io/ios/app/dubfilter/id979648058/reviews) | **[4.8 (23 ratings)](https://appshunter.io/ios/app/rrs-eq3/id1507895144/reviews)** |
| Number of ratings | **71** | 23 |
| Positive reviews | 73.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Monthly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 12 MB | 23 MB |
| Requires iOS | 17.0 | **10.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Amazing Noises](https://appshunter.io/developer/903336421) | [RRS, OOO](https://appshunter.io/developer/1486125568) |

## What reviewers say

### DubFilter

[App page](https://appshunter.io/ios/app/dubfilter/id979648058)

This app provides a powerful dual filter with resonance and an exclusive overlap parameter. It also features a redesigned stereo sample player with LFO and scrubbing, along with extensive MIDI and file management capabilities.

**Highlights:** Dual low-pass/high-pass filter, Resonance and Overlap parameter, Stereo sample player with LFO, Scrubbing capabilities, Audiobus and Inter-App Audio support, MIDI control and file management, Preset morphing pad

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Audio Unit Plugin Support | $1.99 | one-time |


### RRS EQ3

[App page](https://appshunter.io/ios/app/rrs-eq3/id1507895144)

This audio effect plugin offers vintage-inspired tonal adjustments with five broad, interacting bands. It emulates an '80s approach to frequency shaping, allowing for precise control over your mix's clarity and low-end response. A demo version is available for trial before unlocking the full unlimited experience.

**Highlights:** Standalone and AUv3 plugin, Modeled vintage EQ, Multiple fixed and boost-only bands, Stereo, Mid, or Side EQ modes, Undo/Redo and A/B comparison, Scalable GUI

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RRS EQ3 Unlimited | $4.99 | one-time |


## Frequently asked questions

### Is DubFilter free?

DubFilter is free to download, with in-app purchases available.

### Is RRS EQ3 free?

RRS EQ3 is free to download, with in-app purchases available.

### Which has better reviews, DubFilter or RRS EQ3?

RRS EQ3 is rated higher. DubFilter averages 4.7 out of 5 from 71 ratings, while RRS EQ3 averages 4.8 from 23 ratings.

### Do DubFilter or RRS EQ3 have ads?

Neither DubFilter nor RRS EQ3 shows ads.

### Which is updated more often, DubFilter or RRS EQ3?

DubFilter ships an update every 6 months, and RRS EQ3 monthly. Most recently, DubFilter was updated on September 22, 2026 and RRS EQ3 on August 20, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*