I've got a lot of "hobby" apps I'm going to need to turn off...
Google App Engine also seems like a good place for a hobby app. More constrained, but Heroku is not really that much more flexible compared to totally free-form architecting.
for a toy _app_, if it's not up 24/7 it's pretty worthless
"During the beta period you’ll only get an informational email. In the future, we will force exhausted apps to sleep until they have been idle for at least six hours of the past twenty-four hours." -https://devcenter.heroku.com/articles/dyno-types#dyno-sleepi...