Apps Like AddStation for iPhone and iPad
Create sound with additive synthesis
Create and manipulate sounds using additive synthesis. Adjust sine wave parameters to shape timbres. Layer multiple partials to build complex tones. Save and export custom sound designs. Import and export audio files for further processing.
AddStation screenshots
Ranked alternatives
Showing 261–280 of 1,000 ranked alternatives.



VAPolyMkII
Ryo Togawa
Stream audio and control effects
A synthesizer with 16 voice polyphonic capabilities. Users can create sounds using two oscillators per voice, adjust ADSR envelopes, apply filters, and control amplification. Includes effects, a sequencer, and audio visualization.





MIDI Guitar
Jam Origin ApS
Play , record in real-time
Play and convert notes into in real-time with high accuracy and low latency. Record performances, edit data, and sync with DAWs. Supports polyphonic pitch detection and articulation recognition. Export files and share recordings.



Phonolyth Cascade
Yuri Turov
Process audio with reverb and diffusion
Create ambient soundscapes with diffusion controls for subtle smearing, widening, and deep reverberation. Adjust randomized modulation for evolving textures.

BandDelay
Harry Gohs
Delay audio in real-time with 27 bands
Create and manipulate audio loops with real-time delay effects. Split input signal into 27 frequency bands with individual delay settings. Adjust delay time, level, and feedback per band. Sync delay times to host tempo for rhythmic variations.

tardigrain
erik sigth
Process samples into granular sound
Create and manipulate audio using granular synthesis techniques. Adjust grain size, direction, and step size. Apply effects such as reverb, wave shaping, and sample crushing. Connect via AudioCopy, AudioBus, Inter Audio, and AUv3.



Rhyme Genie
Idolumic LLC
Find rhymes and explore sounds
Find rhymes using a smart similarity in sound feature. Search for entries by word or sound. Explore 330,000 entries, 30 types, and American sayings, idioms, and song titles.

Syntorial 2
Audible Genius, LLC
Program synths by ear and build patches
Learn to program synth patches by ear using video lessons and interactive challenges. Practice on a built-in soft synth. Understand synthesis concepts and create custom sounds. Track progress and receive feedback during exercises.

FD-1 Filter Delay
Kai Aras
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.

BLEASS Reverb
BLEASS
Warp with tactile controls
Create and manipulate effects with real-time controls. Adjust parameters for acoustic simulation. Use freeze mode to capture and modify . Apply built-in ducker for dynamic control. Export settings and integrate with audio workflows.

TROOPER Synthesizer
Yonac Inc.
Stream synth sounds and tweak tones
Create and manipulate synth sounds with oscillators, filters, and envelopes. Adjust parameters for tone shaping and modulation. Save and load presets. Export audio files and integrate with digital audio workstations.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.