Yes,it is. . It isn’t often that you can get something for nothing but this is one of those times. Both companies also offer free traffic when it is inside their own networks too. Why is this a big deal? Let’s say you want to make use of a disaster recovery facility or moving your backups to an offsite center and you can connect either of these up to take advantage of this traffic policy.
But there are other reasons as well you might want to go with either provider. They both offer VM instances that might be a better price point than what you can get at AWS or other providers. You need to figure out what your RAM, disk, and CPU requirements will be and then price them out carefully.