NSLog Vs DLog

Go to your Build settings and under the Debug configuration add a value to "Preprocessor Macros" value like:      DEBUG_MODE=1

Make sure you only do this for the Debug configuration and not for Beta or Release versions. 

Use This:-

#ifdef DEBUG_MODE

#define DLog( s, ... ) NSLog( @"<%@:(%d)> %@", [[NSString stringWithUTF8String:__FILE__] lastPathComponent], __LINE__, [NSString stringWithFormat:(s), ##__VA_ARGS__] )

#else

#define DLog( s, ... )

#endif

NSLog--->DLog(Debugging mode)

DLog--->NSLog(Realse Mode AutoMatically).