There's also HireFire, which has support for scaling all your Heroku process types, not just your web processes: http://hirefire.io/ http://hirefire.io/ . I'v

There's also HireFire, which has support for scaling all your Heroku process types, not just your web processes: http://hirefire.io/ http://hirefire.io/ . I've used them for a few projects which honestly have never actually needed auto-scaling, but they're very easy to use overall and at $10/month are way underpriced. They do have a slower polling frequency (1 minute instead of 15 seconds) though.