This audio effects collection offers digital models of classic analog synthesizer filters for iOS devices. It provides professional analog sound and optimized touchscreen interaction, functioning as standalone apps or Audio Units within other hosts.






42+ similar apps compared and reviewed
Whether you want more options like sfIter or a completely different take on the same concept, our curated list of 42+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.






This audio effects collection offers digital models of classic analog synthesizer filters for iOS devices. It provides professional analog sound and optimized touchscreen interaction, functioning as standalone apps or Audio Units within other hosts.






This app allows string instrument players to create expressive music using a variety of brass and synth sounds. It features detailed sample libraries and advanced touch sensitivity for natural performance. Supports MIDI and Audio Unit integration for external devices and recording apps.





This interactive audio sampling tool allows users to build playlists with various audio sources and remix them on the fly. It combines gesture controls with responsive visuals for a unique listening and creative experience.


This open-source metronome offers sample-accurate timing and cross-platform compatibility for musicians. It features self-contained presets, Ableton Link, and iPad multitasking UI.


Transform your Apple Watch into a wireless MIDI controller for synths and DAWs. Utilize the digital crown and haptic feedback for tactile control, or use Siri voice commands for hands-free operation. Save custom configurations and presets for seamless workflow integration.


This application calculates various rotational arrays for serial composition, including prime, retrograde, and inversion forms. It supports substitutions for 10 and 11, and offers display options for integers, note names with flats, or note names with sharps.






This app offers a complex oscillator monosynth with a blend of west-coast and east-coast synthesis techniques. It features a wave folder, lowpass gate, 12-mode filter, and VCA circuit, all meticulously circuit-modelled for authentic analog or digital sound. It functions as a playable synth, MIDI sequencer, and audio effect.


This audio effect app provides versatile delay sounds, from classic tape echoes to experimental textures. It offers dual buffers with extensive shaping, glitchy repeats, and intuitive visual feedback for creative sound design.