Spectrum Synthesizer Bundle
AUv3 port of several popular Mutable Instruments Eurorack modules. The modules are
- Spectrum (based on MI Plaits)
- Modal (based on MI Elements)
- Resonator (based on MI Rings)
- Granular (based on MI Clouds)
App type: AUv3
App store link: 
Developer: Thomas Burns
Developer AB Forum Handle: @burns_audio
Instagram: @gravitronic
Additional Info
There is an online manual.
@wim of the Audiobus Forum community has created a Spectrum bundle patch randomizer for Mozaic