You can get around that by using a service like Uptime Robot to ping your site every hour and keep the dyno running. That way you have a free 24/7 app that does

You can get around that by using a service like Uptime Robot to ping your site every hour and keep the dyno running. That way you have a free 24/7 app that doesn't go idle. I think Heroku is trying to get rid of that with these changes.