This Video Converter app is a useful tool for converting video files to different formats. However, it may require users to download additional codecs to complete the conversion process successfully. For example, the H.64 codec may need to be downloaded to convert to the MPEG-4 format.

Users of devices with built-in media players, such as iPhones, iPods, or iPads, can start the conversion process by opening the video file and playing it on their device. In contrast, PC or Mac users will need to download the codec package first. These packages can be found on the developer's website and are specific to different devices.

Overall, this Video Converter app is an excellent tool for those who need to convert video files frequently. The additional codecs required for some conversions can be a bit of a hassle, but the app's ease of use and compatibility with different devices make it a top choice for many users.