There are some advantages to getting a good quality mp3 converter. First, it will allow you to download music from the internet in high quality. Second, you will be able to do it on the go. This is because when you download an mp3 audio converter, you can use it wherever you go.
There are some disadvantages as well, but they can be resolved with simple search and download, free. The major problem that most people face is that there are many free applications available that don't give you anything for your money. So you have two choices, use a free one and be disappointed with the final product or spend the money and get what you want. It is always wise to spend money and get something that is worthy of it. Don't just spend $20 because someone else said so. It doesn't make any sense at all.
If you are lucky enough to get a free application, be careful about downloading it. Look out for pop-ups that ask you to pay and be wary of them. If you don't mind that, you can even download the application from the developer's website. If you feel it is important to get your software from the developer's website, then that is fine as well. But most likely, you won't get anything worthwhile, at least when it comes to the free versions.