Install your iZotope plugin from the Splice desktop client.

Restart your machine and relaunch Logic.

The installer will automatically select the location (MacintoshHD/Library/Audio/Plugins) for your iZotope plugin.

You can add your iZotope plugin from Logic’s Channel Strip.

Neoverb

RX 10

Stutter Edit 2

Nectar 3

RX 10

Vocalsynth 2

Neutron 4 / Ozone 10