There is no one-size-fits-all answer to this question, as the best apps for your phone will depend on your individual needs and preferences. However, some apps that may be worth considering include:
1. A productivity app like Evernote or Todoist, to help you stay organized and on top of your tasks.
2. A messaging app like WhatsApp or Skype, for staying in touch with friends and family.
3. A social media app like Facebook or Twitter, to keep up with what's happening in the world.
4. A weather app like Weather Underground or AccuWeather, to always know what the forecast is.
5. A travel app like TripAdvisor or Google Maps, to help you plan your trips and find your way around new places.
6. An entertainment app like Netflix or Spotify, for when you want to relax and watch a movie or listen to music.