Apps Like FD-1 Filter Delay for iPhone and iPad
Modulate, , signals
Create rhythms and grooves using modulated and sections. Adjust parameters and modulation settings. Use built-in step sequencer and low frequency oscillator for rhythmic sequences. Sync modulation with host tempo.
FD-1 Filter Delay screenshots
Ranked alternatives
Showing 81–100 of 1,000 ranked alternatives.



Poly 2
James Milton
Create and sequence evolving melodies
Create evolving melodies and patterns using polyrhythms. nd control up to 8 sounds simultaneously. Store 16 project configurations. Use a sampler with envelopes, filters, loop crossfading, LFO, and more.


King of Digital | Hybrid Synth
AudioKit Pro, LLC
Play and record virtual analog synths
Create and manipulate electronic music with 64-voice analog and PCM synthesis. Access over 900 presets from renowned artists. Adjust filters, envelopes, and modulation parameters. Export audio files and integrate with DAWs via AUv3 plugin.





H9 Control
Eventide Inc.
Effects pedals and manage presets
Eventide effects pedals remotely. Adjust parameters, manage presets, and customize settings. Access over 500 presets for delay, reverb, pitch-shifting, modulation, and distortion. Save and recall configurations.



MF-102S Ring Modulator
Moog Music Inc.
Modulate audio with effect
Modify audio signals using modulation, voltage-controlled carrier oscillation, and dual-waveform LFO modulation. Adjust frequency and depth parameters. Connect to MIDI devices and integrate with DAWs for real-time effects processing.


Flux Pro
Caelum Audio Ltd
Modulate sounds with stereo waves
Create dynamic audio effects with customizable modulation graphs. Adjust depth and parameters in four effect slots. Apply stereo waves, side-chains, filters, and glitches. Shape sound characteristics for precise track customization.

Elastic FX
Oliver Greschke
Process audio effects and route signals
Process audio with up to four effects. Route audio from external devices or sound files. Connect to iOS drum machines or synthesizers via Inter- Audio or Audiobus. Adjust effect parameters for sound shaping.

GSDSP Quantum Delay
Gustav Scholda
Echoes with modulation and filtering
Create and manipulate audio delays with vintage and modern modes. Adjust modulation, filtering, and timing settings. Sync delays to BPM or set precise milliseconds. Apply fine-tuned micro-timing adjustments. Export processed audio files.


Agonizer
Kai Aras
Play, edit, and share synth bass tracks
Create and manipulate monophonic bass sounds with a synthesizer featuring 140+ factory presets. Apply stereo effects and control via ROLI Seaboard or other MPE controllers.

How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.