Comparison

DubFilter vs RRS EQP

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

DubFilter

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
Read full description

The Dub Filter is a dual low-pass/high-pass 24/48 dB filter, with resonance and the exclusive Overlap parameter! It contains a completely redesigned stereo sample player with LFO and scrubbing capabilities. Main Features: - Audiobus and Inter-App Audio support (sender and FX) - State Variable Filter (Low-Pass and High-Pass) with resonance and overlap - Built In Stereo Sampler with varispeed and scrubbing - Control Manager LFO for all the Parameters - Midibus, Virtual Midi and Network: 14 bit NRPN controllers - File Manager, sharing common audio files via iTunes, Dropbox and AudioCopy - Snapshots Presets Morphing Pad - Post Fx Chain: Low-shelf Filter, High-shelf and Compressor

About

RRS EQP

This audio plugin emulates a classic 1960s program equalizer, offering unique frequency shaping capabilities. It allows for simultaneous boosting and cutting of frequencies to create resonant shelves, faithfully modeling vintage hardware.

Highlights
  • Classic program equalizer emulation
  • Unique resonant shelf creation
  • Vintage hardware modeling
  • Multiple frequency boost/attenuate points
  • Analog saturation
  • Undo/Redo functionality
  • Scalable GUI
Read full description

The EQP-1A AUv3 plug-in — comes as time-limited Demo-version for you to try. It gives you 5 minutes of Free play time. (You can reload the EQP-1A AUv3 plug-in as many times as you want, thereby you get the Demo period again and again.) Unlimited version of EQP-1A AUv3 plug-in comes as In-App Purchase. The EQP-1A based on Classic Program Equalizer from the '60s, original EQ is renowned for its unique ability to boost and cut the same frequencies simultaneously, thereby creating a resonant shelf, the EQP-1A faithfully models the overbuilt transformers and complex tube amplifiers of the original hardware. SPECIFICATIONS: • 20, 30, 60, 100 Hz shelf Boost; • 20, 30, 60, 100 Hz shelf Attenuate; • 3, 4, 5, 8, 10, 12, 16 kHz peak Boost; • 5, 10, 20 kHz shelf Attenuate; • On/Off Analog Saturation; • Undo/Redo; • A/B; • 2x/4x/8x Upsampling; • Macro controllers; • Built-in Gain Match; • Scalable GUI. Conceived and created for broadband equalization, the EQP-1A features 4 low boost/cut frequencies, 3 high-cut frequencies and 7 HF boost points, along with a bandwidth control for shaping the high boost curve. The broadband EQP-1A and the midrange MEQ-5 together comprise a full range vintage EQ chain. To use EQP-1A as a plug-in, you need an AUv3-compatible host app like GarageBand, Auria, AUM, Cubasis and more — EQP-1A will appear in the list of Audio Unit extensions for effect plug-ins in the host app.

Screenshots

DubFilter4 screens
RRS EQP4 screens

Verdict

The call

The clearest difference is rating: RRS EQP at 5.0 against DubFilter's 4.7. RRS EQP also leads on update cadence (every 2 months vs every 6 months) and iOS requirement (10.0 vs 17.0). DubFilter's advantage is ratings volume (71 vs 6). On price, ads, in-app purchases and monetization model there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

RRS EQP holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: DubFilter has 71 ratings behind it against 6, so its average is the more settled of the two.

UpkeepUpdate frequency

DubFilter ships an update every 6 months, RRS EQP every 2 months. Both last shipped on October 24, 2026.

Scorecard4 real differences · 6 level
DubFilter versus RRS EQP: the parameters behind the verdict, then further details
ParameterDubFilterRRS EQP
PriceFreeFree
Rating4.7 (71 ratings)5.0 (6 ratings) — better
Positive reviews73.3% of reviews—
Number of ratings71 — better6
Update frequencyEvery 6 monthsEvery 2 months — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.010.0 — better
Further details — not scored
Size12 MB17 MB
Age rating4+4+
DeveloperAmazing NoisesRRS, OOO

Customer experience

DubFilter

All ratings71 ratings
Positive91.5%
Neutral2.8%
Negative5.6%
Written reviews30 reviews
Positive73.3%
Neutral6.7%
Negative20.0%

RRS EQP

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

DubFilter

One-time1
  • Audio Unit Plugin Support$1.99
1 purchases

RRS EQP

One-time1
  • RRS EQP-1A Unlimited$4.99

Questions

Is DubFilter free?
DubFilter is free to download, with in-app purchases available.
Is RRS EQP free?
RRS EQP is free to download, with in-app purchases available.
Which has better reviews, DubFilter or RRS EQP?
RRS EQP is rated higher. DubFilter averages 4.7 out of 5 from 71 ratings, while RRS EQP averages 5.0 from 6 ratings.
Do DubFilter or RRS EQP have ads?
Neither DubFilter nor RRS EQP shows ads.
Which is updated more often, DubFilter or RRS EQP?
DubFilter ships an update every 6 months, and RRS EQP every 2 months. Most recently, DubFilter was updated on October 24, 2026 and RRS EQP on October 24, 2026.

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