MeldaProduction
MFreeFXBundle
Free bundle of 38 effects covering EQ, dynamics, reverb, and distortion.
VST3supportedAUsupportedAAXsupportedCLAPnot supportedWINsupportedMACsupportedLNXnot supported
Checked September 2026
MFreeFXBundle is best for producers wanting a broad free effects suite from one vendor; SPAN is best for visual frequency and loudness analysis while mixing or mastering. MFreeFXBundle starts at Free and SPAN at Free.

MeldaProduction
Free bundle of 38 effects covering EQ, dynamics, reverb, and distortion.

Free real-time FFT spectrum analyzer for professional mixing and mastering.
| MFreeFXBundle | SPAN | |
|---|---|---|
| Best for | producers wanting a broad free effects suite from one vendor | visual frequency and loudness analysis while mixing or mastering |
| Starting price | Free | Free |
| Free version | Yes | Yes |
| Free trial | — | — |
| Formats | VST3, AU, AAX | VST3, AU, AAX |
| OS | Windows, macOS | Windows, macOS |
| Key features | 38 plugins including MCompressor, MEqualizer, MCharmVerb, MAnalyzer and MStereoScope for metering, Saturation and modulation effects (MSaturator, MFlanger, MTremolo), Optional paid upgrade unlocks GUI customization and modulators | FFT spectrum analysis with adjustable block size and overlap, Multi-channel analysis (stereo, mono, mid-side, 5.1/7.1), Stereo correlation metering, EBU R128 and K-system loudness metering, True peak detection and clipping indicator |
| Developer | MeldaProduction | Voxengo |