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.






13+ 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 13+ 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 open-source metronome offers sample-accurate timing and cross-platform compatibility for musicians. It features self-contained presets, Ableton Link, and iPad multitasking UI.




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 vintage tape delay plugin offers a simplified interface and a powerful modulation engine for both everyday delay needs and advanced sound manipulation. It features dual delay lines, analog-style filters, and extensive modulation options for creative audio processing.


Visualize your audio in real-time with this Audio Unit Plugin effect. It syncs with your host app and uses the GPU for efficient, CPU-light waveform rendering.


Design unique delay sounds by inserting various audio effects before, within, and after the delay loop. Explore a wide range of modules like panners, choruses, reverbs, and distortion to craft custom signal flows.


This app provides a vintage-sounding, creative filtering effect for real-time audio processing. It offers a redesigned interface with a powerful modulation engine and flexible routing options for detailed sound shaping. Use it standalone or as an AUv3 plugin within compatible music production apps.


This app is a powerful MIDI sequencer plugin for iOS music production. It allows users to create complex musical patterns with up to 64 steps and offers detailed control over pitch, velocity, and timing. It also includes a separate drum sequencer for beat creation.