I was under the same impression. If your app has been idle for a long time it ta...

tlrobinson on Sept 14, 2010 | parent | context | favorite | on: Tell HN: I accidentally ran up a $1000 Heroku bill

I was under the same impression. If your app has been idle for a long time it takes a few seconds for the first request to complete, which leads me to believe they shut down dynos for idle apps. But it's possible that's only for the free apps.