Efx FRAGMENTS vs OpenTune

Efx FRAGMENTS is Arturia’s creative audio effect plugin for dividing, transforming, and rebuilding sound with granular processing. Classic, Texture, and Rhythmic modes provide different granular approaches. Pitch quantization offers 15 scales, while grain quantization can follow transient detection or snap to a grid. A spatializer includes nine trajectory presets, and two effect slots provide routing options. The modulation section combines an envelope follower, three function generators, and a step sequencer. A curated library supplies 60 presets. The plugin supports VST, AAX, Audio Unit, and NKS in 64-bit DAWs, with a standalone app also listed. It runs on Windows 10 or later and macOS 11 or later, requiring at least 4 GB RAM, 1 GB free disk space, and a four-core CPU. Apple M1 is supported; Windows ARM processors are not. The listed Efx FRAGMENTS plan costs €79 as a one-time purchase purchase.

OpenTune is a free, open-source vocal pitch correction tool for macOS and Windows. It regenerates vocals with a neural vocoder while preserving formants, and offers hand-drawing, note, and anchor tools for pitch editing. Automatic key detection supports Chromatic, Major, Minor, Pentatonic, Dorian, Mixolydian, and Harmonic Minor scales. Per-note EQ provides another way to adjust individual notes. The software imports WAV, FLAC, OGG, and MP3 audio and is available as a standalone executable or a VST3 plugin with ARA2 support. Its AI engine combines FCPE pitch extraction with a PC-NSF HifiGAN vocoder and ONNX Runtime inference. GPU acceleration uses DirectML on Windows and CoreML on macOS. The interface supports Chinese, English, Japanese, Russian, and Spanish. OpenTune is permanently free and licensed under AGPL V3.0. On macOS, release packages use ad-hoc signing without Apple notarization, so the first launch may show a developer verification prompt.