This is a personal preference. A Medicare Advantage plan may be ideal for the additional coverage benefits and services it provides. Still, others may perceive Medigap as more suitable because it covers remaining out-of-pocket costs and isn't limited to a network.This is a personal preference. A Medicare Advantage plan may be ideal for the additional coverage benefits and services it provides. Still, others may perceive Medigap as more suitable because it covers remaining out-of-pocket costs and isn't limited to a network.