We’re usually not a fan of downloading a new app if we don’t have to. But cruise line apps are extremely helpful. These programs include daily schedules, messaging to others on the ship, ship maps, and even tracking of your onboard spending account — all from your phone. We’d suggest everyone download the app before your cruise to use onboard. It’s much faster to download over wi-fi instead of using your cellular network or the ship’s Internet. Learn more about Carnival’s app, Royal Caribbean’s app, and Norwegian’s app.