Comparison

Filterstation2 vs FilterMorph AUv3 Audio Plugin

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

Head to head
About

Filterstation2

This app offers a versatile dual filter effect for music production, inspired by classic hardware. It features twelve filter algorithms, an envelope follower, and multiple operating modes for creative sound shaping. Its user-friendly interface and resizable GUI make it a powerful tool for producers.

Highlights
  • Twelve filter algorithms
  • Envelope follower with sidechain
  • VCA mode for tremolo/gate
  • LFO with tempo sync
  • Serial, parallel, and stereo modes
  • Resizable GUI
  • Cross-platform preset manager
Features
Read full description

Filterstation 2 is the Audio Damage dual filter, built for sound design and performance rather than corrective EQ. It runs two resonant filters in series, in parallel, or split across the stereo field, with twelve filter algorithms and a full set of modulation tools for movement, distortion, and rhythm. FEATURES Twelve filter algorithms, including our 914 bandpass and Filterpod lowpass models, a clean state-variable filter, and an MS20-style filter, covering lowpass, highpass, bandpass, and notch. Each of the two filter slots can run a different one. Serial, parallel, and true stereo routing. Run the filters one into the next, side by side, or split hard left and right. Envelope follower with stereo sidechain. Drive the cutoff from a signal's own dynamics for auto-wah, or feed in an external source so one track opens the filter on another. LFO with twelve patterns, internal or tempo-synced. VCA mode for tremolo and gating. FSU section for extra signal hacking, for when clean is not the point. Resizable vector interface, sharp on every iPhone and iPad display. Universal preset system. XML-based presets move between iOS and the desktop versions. IN USE... Sweep the cutoff by hand for filter rises and drops. Set the envelope follower to track the input for an auto-wah that moves with your playing. Patch a kick into the sidechain to duck a pad or bassline in time. Run the two filters in series for steep formant shapes, or in parallel for wide dual-band sweeps. Tempo-sync the LFO for rhythmic gating, then bring in the FSU section when the part needs to fall apart. Filterstation 2 runs as an AUv3 plugin inside any compatible iOS host, including AUM, Cubasis, Drambo, apeMatrix, and GarageBand. It is also available for macOS, Windows, and Linux as a desktop plugin, and presets move freely between them. Requires iOS 13 or later. An AUv3 host app is recommended. Features • Twelve different filter algorithms, including MS20 emulation and our classic 914 bandpass and Filterpod lowpass models. • VCA mode for tremolo and gate effects. • LFO with twelve different patterns, and both internal and tempo sync modes. • Envelope follower for dynamic control of filter frequency. • Serial, parallel, and true stereo operating modes. • Easy-to use interface for quick programming. • Vector-based resizable GUI. Use just the filter screen, slide the controls over it, or (in hosts that allow it) open up the whole UI. • Cross-platform XML-based preset manager; copy your desktop presets to the iOS version using Handoff, or share them with your friends and in forums. • Full PDF manual available at Support link.

About

FilterMorph AUv3 Audio Plugin

This audio effect plugin offers a unique approach to filtering, allowing seamless morphing between different filter types. It integrates with DAWs and provides advanced control through touchpads and modulation.

Highlights
  • Transitional filter morphing
  • Dual touch-pad parameter control
  • Real-time and beat-synced automation
  • Integrated overdrive and tape delay
  • Configurable modulation section
  • Preset management
Read full description

This is a AUv3 compatible audio effect which can be used as plugin with your favourite DAW such as Cubasis, Meteor, Auria or GarageBand and NOT a standalone app. It supports a modern graphical interface and presets with stereo meters for monitoring signal levels. The FilterMorph is one of our most fun, interesting, experimental and yet incredibly useful AUv3 plugins to date. It takes the concept of a traditional audio filter and pairs it with overdrive, bit crunching and tape delay to perform some incredibly neat real-time or beat synced automation effects. At the heart of the effect are a set of transitional filters (low pass, high pass, band pass, notch and formant filter) which you can assign to the Cutoff Control. The twist here is that you can assign different filters to each end of the frequency spectrum and morph between them to achieve a much more interesting results. So for example you can use a LP filter for low frequencies and a BP filter for high frequencies, and the frequency dial will smoothly transition between the two. The main interface of the effect scrolls to reveal a set of two finger touch-pads, each of which responds to one of more fingers. Each pad can be assigned two of several parameters, one to the vertical axis, and the other to the horizontal. This allows you to control up to 4 knobs in real-time using only two fingers. A glide control allows you to control the rate of change so you can create those gentle sweeps without the effort. But it doesn't stop there... we also include effects such as overdrive, bit shifter and tape delay and these parameters can also be freely assigned to the finger pads. A configurable modulation section also allows you to automate panning or vibrato and assign various envelope shapes. Hold multiple fingers down on a pad and the play cursor will fly between your fingers at a specified speed. Press the HOLD button and you can then release your fingers and have them playback a set pattern. Press the SYNC TO BEAT button and the play cursor will move from one point to another at set beat intervals. Use the FOLLOW feature to follow finger movements etc. The build in Tape Delay allows control over delay time, feedback and level, but the advantage of this type of delay is you get the warping pitch shifting effects as you change the delay time. This allows for some very interesting effects, especially when applied to strings or held chords. This is an essential tool for those wanting to add a creative or experimental twist to any form of electronic composition, adding a few extra dynamics into your mix with very little effort. This is one of a suite of AUv3 compatible plugins which will also soon be available from 4Pockets.

Screenshots

Filterstation22 screens
FilterMorph AUv3 Audio Plugin4 screens

Verdict

The call

The clearest difference is update cadence: FilterMorph AUv3 Audio Plugin at every 3 months against Filterstation2's every 19 months. FilterMorph AUv3 Audio Plugin also leads on review sentiment (100% vs 75%). Filterstation2's advantage is rating (4.4 vs 4.2) and ratings volume (18 vs 5). On ads, in-app purchases, monetization model and device support 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

Filterstation2 costs $4.99 and FilterMorph AUv3 Audio Plugin $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Filterstation2 holds the better App Store score, 4.4 against 4.2. Both are backed by a comparable volume of ratings — 18 and 5 respectively. Written reviews complicate that: 75% of Filterstation2's written reviews are positive against 100% of FilterMorph AUv3 Audio Plugin's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Filterstation2 ships an update every 19 months, FilterMorph AUv3 Audio Plugin every 3 months. The most recent releases landed on October 24, 2026 and October 20, 2026 respectively.

Scorecard5 real differences · 5 level
Filterstation2 versus FilterMorph AUv3 Audio Plugin: the parameters behind the verdict, then further details
ParameterFilterstation2FilterMorph AUv3 Audio Plugin
Price$4.99 — better$5.99
Rating4.4 (18 ratings) — better4.2 (5 ratings)
Positive reviews75.0% of reviews100.0% of reviews — better
Number of ratings18 — better5
Update frequencyEvery 19 monthsEvery 3 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better13
Further details — not scored
Size29 MB9 MB
Age rating4+4+
DeveloperAudio Damage, Inc.4Pockets.com

Customer experience

Filterstation2

All ratings19 ratings
Positive84.2%
Neutral5.3%
Negative10.5%
Written reviews12 reviews
Positive75.0%
Neutral8.3%
Negative16.7%

FilterMorph AUv3 Audio Plugin

All ratings5 ratings
Positive80.0%
Neutral0.0%
Negative20.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Filterstation2

No in-app purchases

None

FilterMorph AUv3 Audio Plugin

No in-app purchases

Questions

Is Filterstation2 free?
Filterstation2 costs $4.99, with no in-app purchases.
Is FilterMorph AUv3 Audio Plugin free?
FilterMorph AUv3 Audio Plugin costs $5.99, with no in-app purchases.
Which has better reviews, Filterstation2 or FilterMorph AUv3 Audio Plugin?
Filterstation2 is rated higher. Filterstation2 averages 4.4 out of 5 from 18 ratings, while FilterMorph AUv3 Audio Plugin averages 4.2 from 5 ratings.
Do Filterstation2 or FilterMorph AUv3 Audio Plugin have ads?
Neither Filterstation2 nor FilterMorph AUv3 Audio Plugin shows ads.
Which is updated more often, Filterstation2 or FilterMorph AUv3 Audio Plugin?
Filterstation2 ships an update every 19 months, and FilterMorph AUv3 Audio Plugin every 3 months. Most recently, Filterstation2 was updated on October 24, 2026 and FilterMorph AUv3 Audio Plugin on October 20, 2026.

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