Based on our record, Cotap seems to be more popular. It has been mentiond 2 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
I've used wren and cotap and to the best of my knowledge they are reliable. I recently switched to wren, but I'm not sure what the best one is. I'm hoping the number of reputable ones will grow as demand increases. Source: about 1 year ago
Offset your own personal carbon footprint each year (~$240/year). I like https://cotap.org/ for my yearly carbon offsets. Source: over 2 years ago
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