There is a huge nearly undiscovered Optimization Potential for your CTR because Google nearly doubles the Meta Desription length some month ago!
I bet your competitor did not update the meta description yet and got only 2 Lines in Google SERP Snippet.
BUT you can expand your SERP Snippet up to 6 lines with this easy to use and free tool:

As you can see not even this forum has used this huge potential!

You can find the tool here: https://www.blackhatlinks.com/google...eview-tool.php

Would love to hear your feedback or suggestions for improvements!