Apps Like WOW Filterbox for iPhone and iPad
Stream audio and apply filters
Apply audio filters with 21 types including lowpass, bandpass, and comb. Adjust filter slopes up to 48 dB using SVF, diode ladder, and transistor ladder. Add distortions and modulations for sound effects. Output processed audio files.
WOW Filterbox screenshots
Ranked alternatives
Showing 721–740 of 1,000 ranked alternatives.
AD 480 free - Studio Reverb
Thomas Fiedler
Pro quality studio reverb effect.
The app provides a professional reverb sound effect with four acoustic spaces. It supports Audiobus and Inter-app Audio, along with internal and external audio interfaces.
GridNotes
Jason Pepas
Play piano with grid keys and MIDI
Play piano using a grid-based key layout. Select MIDI voices and adjust scales. Enable sticky keys for practice. Adjust note duration and velocity. Save and load custom configurations.
Quaver
Mara Flint
Musical calculator and look-up tool.
The app calculates delay times and oscillator frequencies that match a given tempo. It also identifies the fundamental frequency of any note and determines the notes within a given scale.
Echo Pad - Delay FX Processor
Holderness Media
Playable flexible multi effects processor.
The app offers a multi-effects processor with a range of delay sounds and other effects. It is compatible with Audiobus 3, Inter-App Audio, and MIDI control for synced delays.
MidiBus
Soft Audio
MIDI clock sync generator and monitor.
The app generates and monitors MIDI clock sync. It allows users to select BPM, time signature, and MIDI destinations for synchronized clock signals.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.