MONSTR app icon

Apps Like MONSTR for iPhone and iPad

Adjust stereo width and mix balance

Adjust stereo width with up to six bands. Correct mix imbalances or apply creative effects. Works as a VST3 and AudioUnit plugin. Available for free on Windows, macOS, and Linux. Open source under GPL license.

by Jack Devlin★ 0.00 ratingsMusic$1.99Data updated 2026-09-06

Ranked alternatives

Showing 321–340 of 1,000 ranked alternatives.

  1. NLogSynth PRO app icon

    NLogSynth PRO

    Rolf Wohrmann

    Play virtual analog synths with MIDI controllers

    Professional music synthesizer with virtual analogue sound engine. Play using on-screen keyboard or MIDI controllers. Connect to digital audio workstations via MIDI. Sync with other apps via MIDI Clock.

    ★ 4.633 ratingsMusic$8.99Data updated 2026-09-08
  2. Stereo Designer - StereoShaper app icon

    Stereo Designer - StereoShaper

    Holderness Media

    Shape stereo image with multi-purpose tool.

    The app offers multi-purpose stereo shaping for Audiobus and Inter-app Audio. It allows users to create wide stereo images, "stereoize" mono sources, and apply mid/side processing with independent filters per channel.

    ★ 4.52 ratingsMusic$4.99Data updated 2026-10-26
  1. Siren Sounds Soundboard app icon

    Siren Sounds Soundboard

    Brandon Stecklein

    Play and customize effects

    Play sound clips and effects with customizable volume and timing. Choose from a variety of tones and set repeat intervals. Share recordings via social media or messaging apps. Sync with stereo systems for amplified sound output.

    ★ 4.6106 ratingsMusicFreeData updated 2026-09-10
  2. Pioneer Remote App app icon

    Pioneer Remote App

    11 Trading Company LLC

    Control music playback and settings remotely

    Control compatible and Elite devices to play music in individual or all rooms. Adjust volume, select input sources, and manage playback settings. View device status and access playlists directly from the .

    ★ 2.2250 ratingsEntertainmentFreeData updated 2026-09-11
  3. Redshrike - AUv3 Plug-in Synth app icon

    Redshrike - AUv3 Plug-in Synth

    iceWorks, Inc.

    Create and shape metallic sounds

    Create and shape sound using FM synthesis. Adjust oscillator parameters, apply filters, and control resonance. Customize sound effects with modulation options. Export audio files and integrate with DAWs via .

    ★ 4.828 ratingsMusic$8.00Data updated 2026-09-11
  4. Dual Smart EQ app icon

    Dual Smart EQ

    NAMSUNG AMERICA, INC.

    Control volume and adjust EQ settings

    Control volume, balance, and 7 EQ bands for sound customization. Access presets for pop, rock, and jazz. Enable automatic amplifier activation based on signal input. Manage speaker and RCA input settings. Adjust subwoofer levels and fade settings.

    ★ 2.021 ratingsUtilitiesFreeData updated 2026-09-09
  5. Elastic FX app icon

    Elastic FX

    Oliver Greschke

    Process audio effects and route signals

    Process audio with up to four effects. Route audio from external devices or sound files. Connect to iOS drum machines or synthesizers via Inter- Audio or Audiobus. Adjust effect parameters for sound shaping.

    ★ 4.634 ratingsMusic$9.99Data updated 2026-09-10
  6. apeMatrix app icon

    apeMatrix

    Alessandro Petrolati

    Stream audio and control MIDI devices

    Create and manipulate music with automated MIDI and audio controls. Link tools for synchronized playback. Apply AU and IAA effects. Modulate parameters using MIDI, accelerometer, scrub, and LFO. Adjust built-in and external parameters in real time.

    ★ 4.784 ratingsMusic$14.99Data updated 2026-09-14
  7. Synclavier Go! App and Plugin app icon

    Synclavier Go! App and Plugin

    Synclavier Digital Corporation Ltd

    Synthesize, record, and play sounds

    Create and manipulate complex sounds using a vintage synthesizer interface. Adjust filters, envelopes, and oscillators. Control via MIDI, MPE, and Ableton Link. Export audio files and integrate with AUv3 plugins.

    ★ 4.753 ratingsMusic$19.99Data updated 2026-09-14
  8. ChowCentaur app icon

    ChowCentaur

    Jatin Chowdhury

    Emulate guitar pedals and switch modes

    Emulates the Klon Centaur guitar pedal with three adjustable knobs, a bypass switch, and two modes. Traditional mode uses circuit modeling, while Neural mode uses a recurrent neural network.

    ★ 4.930 ratingsMusicFreeData updated 2026-09-06

How we rank alternatives

Apps are ranked by functional similarity, category fit, rating confidence, and popularity.