Heroku has a free tier, Amazon has a 'first year free' tier for a lot of their products these 2 I'm using at the moment. No idea about MongoHQ. I think the fr

Heroku has a free tier, Amazon has a 'first year free' tier for a lot of their products these 2 I'm using at the moment. No idea about MongoHQ. I think the free stuff is basically for making and running an MVP, not for running at scale...