# DubFilter vs RRS EQ173

The clearest difference is review sentiment: RRS EQ173 at 100% against DubFilter's 73%. RRS EQ173 also leads on update cadence (monthly vs every 6 months) and rating (4.9 vs 4.7). DubFilter's advantage is ratings volume (71 vs 22). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. DubFilter sells 1 one-off in-app purchase and RRS EQ173 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

RRS EQ173 holds the better App Store score, 4.9 against 4.7. Both are backed by a comparable volume of ratings — 71 and 22 respectively. Written reviews point the same way: 73% of DubFilter's written reviews are positive against 100% of RRS EQ173's.

DubFilter ships an update every 6 months, RRS EQ173 monthly. Both last shipped on October 24, 2026.

## The numbers

| Metric | DubFilter | RRS EQ173 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (71 ratings)](https://appshunter.io/ios/app/dubfilter/id979648058/reviews) | **[4.9 (22 ratings)](https://appshunter.io/ios/app/rrs-eq173/id1636444874/reviews)** |
| Number of ratings | **71** | 22 |
| 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 | 16 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 EQ173

[App page](https://appshunter.io/ios/app/rrs-eq173/id1636444874)

This audio plugin emulates a vintage mic/line amplifier with comprehensive EQ controls. It offers a demo mode with limited playtime and an unlimited version available via in-app purchase. Features include stereo/mid/side EQ, undo/redo, and a scalable GUI.

**Highlights:** Standalone and AUv3 plugin, Modeled vintage EQ, Stereo, Mid, or Side EQ modes, Undo/Redo functionality, A/B comparison, Scalable GUI

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RRS EQ173 Unlimited | $4.99 | one-time |


## Frequently asked questions

### Is DubFilter free?

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

### Is RRS EQ173 free?

RRS EQ173 is free to download, with in-app purchases available.

### Which has better reviews, DubFilter or RRS EQ173?

RRS EQ173 is rated higher. DubFilter averages 4.7 out of 5 from 71 ratings, while RRS EQ173 averages 4.9 from 22 ratings.

### Do DubFilter or RRS EQ173 have ads?

Neither DubFilter nor RRS EQ173 shows ads.

### Which is updated more often, DubFilter or RRS EQ173?

DubFilter ships an update every 6 months, and RRS EQ173 monthly. Most recently, DubFilter was updated on October 24, 2026 and RRS EQ173 on October 24, 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.*