vuforia engine, is a very professional solution to make augmented reality in unity, it has a very complete documentation and examples, it is very robust and the engine is frequently updated to the latest versions of unity. Review collected by and hosted on G2.com.

It has a very confusing and expensive licensing program, especially for small companies or studios, and something I don't like is that the license costs according to the size of the customer's sales. Review collected by and hosted on G2.com.