. ceo wrote:
Leveling up Pokemon is different in the app, you don't power them up by battling. Instead you go onto the Pokemon's page and right above the evolve button is the power up button. You need stardust and candies of that pokemon to level them up though. So don't worry, even if you can't fight the pokemon in the gyms you can still power up your pokemon and get stronger. ^_^
Yes, but as stated before in this thread, it's not a good idea to spend Stardust when you're level 15 or less