Apps Like GSDSP Quantum Delay for iPhone and iPad
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.
Ranked alternatives
Showing 141–160 of 1,000 ranked alternatives.


Mela Classic (AUv3)
Nikolozi Meladze
Stream audio and process effects
Allows users to create and edit music using virtual analog synthesizers and multi-effects. It supports loading as an instrument, audio effect, or MIDI processor within host applications.

Spirangle
Neon Silicon LLC
Delay audio with three taps
A music offering dual delay effects. Users can apply three-tap delay with independent SVF filters and stereo separation. Feedback delay mix includes pre-filter routing and an input sum for blending. Adjust resonance, drive, and feedback settings.





King of Bass: Synth + 808 Sub
AudioKit Pro, LLC
Create bass, tweak sounds, record tracks
Create custom bass sounds with the custom kick maker and access over 400 presets. Adjust bass depth, tuning, and effects. Add 808s and subs for enhanced low-end. Export and share bass tracks directly.


Super J8 Synth + AUv3
AudioKit Pro, LLC
Stream and play analog synths offline
Create and shape sounds with analog-style oscillators and modulation effects. Adjust parameters for deep basses, lush pads, and vibrant leads. Use cross-modulation, PWM, and polyphonic unison for rich tones.

Accordion Vintage
Alessandro Petrolati
Play samples and loop notes
Play virtual with 1300 looped samples and 4 velocity layers. Include key-on and key-off sounds for realism. Use Audiounit support, iOS Universal compatibility, and Audiobus integration for audio routing.

Crystal Synth XT
Green Oak Software
Create and edit complex soundscapes
Create and customize soundscapes using a semi-modular synthesizer. Trigger sounds with a 2-octave keypad or MIDI keyboard via Apple's camera adapter. Share presets with the desktop version of . Adjust parameters for evolving audio textures.


FabFilter Timeless 3
FabFilter
Delay and modulate audio signals
Record and process audio with real-time microphone filtering and playback. Apply vintage tape delay effects, adjust filters, and use tap patterns. Access unlimited modulation options and integrate with AUv3-compatible host apps for plugin use.

FRMS - Granular Synthesizer
Imaginando Lda
Create soundscapes with layered synthesis
Create complex sounds using , FM, Additive, and Subtractive synthesis. Combine up to four layers for evolving soundscapes. Import custom samples or capture live audio for granulation. Adjust parameters to shape unique textures and ambient drones.

Addictive Synth
Harry Gohs
Create beautiful sounds and driving loops.
The app offers dynamic wavetable synthesis with six oscillators per voice. It features a spectral noise generator for detailed control over sound.

GyroVibe
Neon Silicon LLC
Use Audio Units and DAWs to create
Edit audio with vibrato chorus effects and multi-stage filters. Adjust stereo field positioning and texture. Integrate with Audio Unit hosts or DAWs for real-time processing. Document and control Audio Unit parameters within the .



NFM – AUv3: FM Synth
Nikolozi Meladze
Stream audio and edit sound waves
FM synthesizer with six stereo operators and fully customizable FM algorithms. Create and edit patches. Load and save presets. Use as an AUv3 plug-in in compatible DAWs. Adjust modulation sources and destinations.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.