Of course it has, and that's why it's the number one cryprocurrency in the world 
Nothing can have no competition, because int that way nobody would buy anything. And that's marketing! This is how our world works and how it will keep working.
If something becomes popular, following this we can find the clones in a very short time span. In that case our digital currencies to are not an exception. Here too following bitcoin several other altcoins emerged following the same backing and termed to give a healthy competence to grow. Nothing can have no competition, because int that way nobody would buy anything. And that's marketing! This is how our world works and how it will keep working.Improving and development is needed to establish ones success,when one thing goes successful ,something alike will also boom knowing that it was acquired by people, knowing that bitcoin goes hit and strikes people interest there were comes other alt coins or crypticuurencies that are trying their best to get identified too by bitcoin users. Unfortunately bitcoin were really at its momentum that it seems there is no other coins yet that can over to them.