Based on our record, LingoDuck 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.
My friends and I also had the same problem (one of us wanted to practice Mandarin over COVID and I've studied French and Spanish and can speak neither fluently) so we created Lingoduck to chat with other language learners for free. Source: about 2 years ago
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