Translation of vergleichend

Thanks a lot. Let's meet. Where are you located? OK, do you want to meet there? Basically, June 4 and further would be good for me. But I am flexible. I never have too many things to do in the weekend.
We had time to walk around the waterfall but refrained from entering the little lake at the bottom. My fellow tourtakers were quiet nice and we spend a while just sitting in the grass near the water.
At the moment we want to keep Vocabulix free. However, we recently added a donation button at the end of each lesson (by Paypal). You may donate 10$ after completing your next lesson. That will do.