Advanced hybrid wavetable synthesizer with flexible effects and a built-in sequencer.
VST3supportedAUsupportedAAXsupportedCLAPnot supportedWINsupportedMACsupportedLNXnot supported
Checked September 2026
Best Rob Papen Predator-3 alternatives (2026)
The closest Rob Papen Predator-3 alternatives are Serum 2, Vital, Surge XT, based on overlapping categories and operating systems. Rob Papen Predator-3 is best for modern analog and wavetable hybrid sounds and starts at $149 one-time.
Free spectral warping wavetable synth, the best-known free Serum alternative.
VST3supportedAUsupportedAAXnot supportedCLAPsupportedWINsupportedMACsupportedLNXsupportedFree, open-source hybrid synthesizer with extensive filters and a flexible modulation engine.
VST3supportedAUsupportedAAXnot supportedCLAPsupportedWINsupportedMACsupportedLNXsupported- FREE
Digital Suburban
Dexed
Free, open-source FM synthesizer plugin modeled closely on the Yamaha DX7.
VST3not supportedAUsupportedAAXnot supportedCLAPnot supportedWINsupportedMACsupportedLNXsupported - $499once
Spectrasonics
Omnisphere 3
Flagship Spectrasonics synthesizer combining multiple synthesis types in one instrument.
VST3supportedAUsupportedAAXsupportedCLAPnot supportedWINsupportedMACsupportedLNXnot supported Free Spitfire instrument plugin/library set, being sunset in favor of subscription-based Splice INSTRUMENT.
VST3supportedAUsupportedAAXsupportedCLAPnot supportedWINsupportedMACsupportedLNXnot supportedSix-engine hybrid software synthesizer with modal, granular, wavetable, sample, harmonic and virtual analog synthesis.
VST3supportedAUsupportedAAXsupportedCLAPnot supportedWINsupportedMACsupportedLNXnot supported- €179once
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Diva
Analog-modeled virtual synthesizer emulating classic oscillator and filter circuits for vintage synth sound.
VST3supportedAUsupportedAAXsupportedCLAPsupportedWINsupportedMACsupportedLNXsupported - €99once
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Zebra2
Modular wireless synth with flexible routing, now sold as part of the Zebra Legacy bundle with ZebraHZ.
VST3supportedAUsupportedAAXsupportedCLAPsupportedWINsupportedMACsupportedLNXsupported - FREE
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TyrellN6
Free virtual analog synthesizer with classic dual-oscillator architecture and a Diva-derived filter.
VST3supportedAUsupportedAAXsupportedCLAPsupportedWINsupportedMACsupportedLNXsupported
Read the full Rob Papen Predator-3 review →
Questions people ask
Serum 2 is the closest match: it is best for sound designers wanting deep wavetable synthesis and visual modulation and starts at $249 one-time.
Yes: Serum 2, Vital, Surge XT, Dexed, Spitfire LABS, Pigments, Diva, Zebra2, TyrellN6.