Sort of. You can implement background fetching for your app in this method
- (void)application:(UIApplication *)application performFetchWithCompletionHandler:(void (^)(UIBackgroundFetchResult))completionHandler
However, you can't just implement the method. You have to be sure to enable background fetching for your application. Background fetching
Note that you can choose one of two options
1: Have the iOS schedule the fetch for you based on when the user usually opens your app
2: Request a time interval between fetches. Not guaranteed to execute when you want though, just a request.