Apps similar to Cthulhu include Waveform, which has a free version. Other options are Helio Workstation, Muse AI, Scaler and instaComposer. You're spoiled for choice with Music Production Apps like Cthulhu: we list more than 25 alternatives for Mac, Windows, the web, iPad and Android.
Chord Pad is a chord player that lives in the Mac menu bar and works over any app, including your DAW. Pick any major or minor key, and the number keys 1 to 7 play its seven chords (I to VII) on a piano.
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ChordMaps2 is a creative music app for iPad that allows you to play and explore melodies, bass lines, and chord progressions in both major and minor keys, most of the time tapping with just one or two fingers.
Liquid Notes turns you into an expert in harmony, chord progression and melody. Reharmonization made simple: assisted by the music intelligence of Recompose you can engage in music writing, music & composition analysis, and performance live in real-time.
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"ChordPolyPad" is a MIDI chords player that allows you to create chord sets from a large internal library, from any combination of notes, or from chords generated randomly. Each set consists of 8 groups of 16 pads, or 2 groups of 64 pads.
Obscurium is a synthesis tool for sound and pitch. It feeds on your input of scales & chords to produce futuristic soundscapes and vivid harmonics.
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Arpado is a Music Composition Software which controls hardware or software instruments through MIDI. It features an advanced arpeggiator, music theory, chords, scales and a unique Progressive Sequencer.
Harmony Builder is an intelligent music composition software.
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