Michaela Greiler launched the Software Engineering Unlocked Podcast on Product Hunt in February, 2020. It reached the 12th place with 95 upvotes.
Michaela wrote more about the launch at Product Hunt Launch Results. On launch day, she got 500 visitors to the site. The podcast was also downloaded 400 times.
She said that the launch “wasn’t a game-changer in terms of bringing in new listeners. I estimate the effect of doing the launch to be on par with releasing one new good episode.” She did say it was great for reaching people in Indie Hacker/maker communities.