NSString *stringToSave1;
NSString *stringToSave2;
BOOL boolToSave;
// Do whatever gets the above setup.
NSUserDefaults *defs = [NSUserDefaults standardUserDefaults];
[defs setObject:stringToSave1 forKey:@"string 1"];
[defs setObject:stringToSave2 forKey:@"string 2"];
[defs setBool:boolToSave forKey:@"bool"]