Although iPhone supports the MPEG4 codec, it does not support MPEG1 and MPEG2 codecs. At this time, you need a converter to convert the codec to the ones supported by iPhone to solve this problem. There are so many video converters in the market, thus it's too hard and energy-consuming for people to distinguish which one is the most suitable and feasible. HD Video Converter Factory Pro is the best rated and recommended. It offers a variety of Apple device profiles to help you convert MPEG to any Apple device easily. In addition, the software also supports converting any format to any Apple device, allowing you to play video without restrictions, such as MKV to iPad, AVI to iTunes, MP4 to iPad and so forth. Let us take a look.