This summer my family went on a spectacular cruise to Alaska! For this trip we were downloading several different apps to our smartphones.
My husband had the smart idea to organize them all into a single folder on his iPhone. He included our airline, rental car company, Airbnb, and a special app just for use on the Disney cruise, among others.
Having the key apps in one folder on the front page of his phone made it so easy to find what we needed right away.
While I still recommend bringing printed copies of your travel confirmations and information, having hotel, air, and car company apps on your phone can be a lifesaver in case of travel delays or cancellations.