Best apps like FD-1 Filter Delay

10+ similar apps compared and reviewed

4.7 avg rating

0 free apps

Updated October 2026

FD-1 Filter Delay

Kai Aras

FD is great, but it's not the only option. Explore 10+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.

Top Alternatives to FD

#1

In Theory - Interval Keyboard by Cem Olcay

Music theory based AUv3 MIDI

Editor's Choice

5.0(4 ratings)

$3.99

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This app provides a unique interval-based MIDI keyboard with over 110 scales. It allows for flexible chord creation by toggling additional intervals and notes from different octaves. It integrates with external MIDI keyboards and sequencers for advanced music production.

#2

Autony by Pagefall limited

Unreliable Sequence Generator

Strong Contender

4.5(40 ratings)

$3.99

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This app generates evolving musical sequences using a MIDI signal. It can be constrained to scales and chords, transposed, and mutated for dynamic musical output. All controls are MIDI-automatable and it requires a host app to function.

#3

TfxReverb by Ryo Togawa

TimeFX Reverb

Worth Considering

4.5(8 ratings)

$4.99

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This audio plugin generates digital reverb effects using a unique algorithm. It offers simple operation with an auto-size mode that adjusts parameters with a single dial, and features delay lines inspired by vintage bucket brigade devices for creative pitch-shifting.

More apps like FD

Easy Vintage Vibe Effects

This app offers a collection of audio effect modules designed to emulate the sound and atmosphere of vintage digital gear from the 70s and 80s. It provides a customizable signal path with various effects, allowing users to add a nostalgic and emotional mood to their instrument sounds.

Realistic retro gear modelingCustomizable 7-slot signal pathMIDI control and assignment

Compare with FD

MF-101S Lowpass Filter

MF-101S Lowpass Filter

MF-101S Lowpass Filter

Dynamic Motion, Clean Tones

This app is a digital recreation of a classic analog lowpass filter effect pedal. It allows users to add dynamic motion and warm, vibrant tones to various audio sources like guitars, vocals, and synthesizers.

Analog 4-pole lowpass filter emulationEnvelope follower for dynamic motionProcesses guitar, voice, and synths

Compare with FD

TimeFX Echo / Delay

This audio plugin offers a warm, dark echo effect inspired by analog delay units. It allows for adjustable delay times, feedback, and filters, with modulation capabilities and tempo syncing. The plugin captures high-frequency signals for a versatile sound.

Echo and delay effectBBD-inspired delay linesAdjustable delay time (20-1200 ms)

Compare with FD

Mantis - BBD Echo

Mantis - BBD Echo

Mantis - BBD Echo

Uncommon, Vintage, Delay

This audio plugin emulates a vintage 70s analog delay/echo unit, offering a warm, authentic sound. It features four echo taps, swell selectors, and a unique modulation section for chorus-like effects.

Emulates rare 70s BBD delay/echoWarm analog soundFour echo taps

Compare with FD

The famous Space Echo for iOS

This audio plugin emulates the classic Space Echo tape delay effect for iOS devices. It aims to replicate the authentic sound and quirks of the original hardware, offering a vintage delay experience.

AUv3 plugin for iOSEmulates Space Echo tape delayAuthentic vintage sound

Compare with FD

RollBud Trance Gate & Roll FX

RollBud Trance Gate & Roll FX

RollBud Trance Gate & Roll FX

Slip, stutter, loop, record

This app provides creative audio effects for rhythmic sound shaping, including stutters, rolls, and trance gate styles. It features an expressive XY-pad with MIDI control and recording capabilities, and integrates seamlessly as an AUv3 FX plugin.

Rhythmic sound shapingStutter, roll, and slip effectsTrance gate-style effects

Compare with FD

Hybrid Synthesizer

Create music with a versatile hybrid synthesizer offering both FM and virtual analog subtractive synthesis. Explore a wide range of effects, a built-in sequencer, and extensive MIDI support. Save and share projects seamlessly across iPhone, iPad, and Mac.

FM synthesizer with 6 operatorsVirtual analog subtractive synthesizerBuilt-in effects (delay, chorus, reverb)

Compare with FD