Reddit has a couple of groups like https://www.reddit.com/r/TestMyApp/ https://www.reddit.com/r/TestMyApp/ https://www.reddit.com/r/betatests/ https://www.reddi

Reddit has a couple of groups like https://www.reddit.com/r/TestMyApp/ https://www.reddit.com/r/TestMyApp/ https://www.reddit.com/r/betatests/ https://www.reddit.com/r/betatests/ https://www.reddit.com/r/alphaandbetausers/ https://www.reddit.com/r/alphaandbetausers/ where it wouldn't get deleted, but I can't tell the traction or if that's your target audience.