2 x processes + 20GB database + unlimited bundles + SSL ($20-100/month depending on your needs) == $91-$171/month. And that's for just two thin processes with a

2 x processes + 20GB database + unlimited bundles + SSL ($20-100/month depending on your needs) == $91-$171/month. And that's for just two thin processes with a few extra features that are generally required for most apps. It jumps to more than $200 if you want just one more Thin process or a background worker, etc. I'm not saying that there's anything wrong with Heroku's pricing, but I wouldn't considering it a "cheap or free web-based tool".