The Mentoring Club might be a bit more popular than Kintell. We know about 1 link to it since March 2021 and only 1 link to Kintell. 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.
One more thing: there are lots of platforms like Kintell https://kintell.com/ that can be used to test out consulting or advising business ideas. You'd need to have really solid expertise to offer of course, but as a way to test the market viability this is how I'd start. Source: over 2 years ago
I use mentoring-club.com from time to time. The mentors on the platform offer their services for free. The disadvantage is that since it is free you can't get more than 2 sessions a month, and the quality of the mentors can vary. Source: 12 months ago
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