A tool being better than others is a highly subjective matter. Industry has always been looking for alternative for existing tools since ages,  it would all depend on what suit your needs. We can mention a lot of differences other than cost but to be fair and transparent we would let you try your hands on Imagium and decide what makes sense for you. Feel free to reach out for any further information you may need.

Stay tuned for upcoming features, our team has a long list.

Regarding creating baselines in Imagium, it is one of the easiest things. Check out various samples here

You can see all the features and use cases here