Based on our record, Appodeal seems to be more popular. It has been mentiond 1 time 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.
Here the are: https://appodeal.com/ They work with apps to help them monetize. Kin could partner with multiple firms like these, who are the ones who know lots of developers. Source: about 3 years ago
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