IronWorker is a massively scalable task queue/job queue that makes it easy for you offload front end tasks, run background jobs, and process many tasks at once -- all in the cloud and with no servers to set-up and manage. It can also function as a cron-in-the-cloud service, running tasks on a schedule you define.
IronWorker has partnered with Heroku to make using both services together even easier.
It's quick and easy to get IronWorker set up and running on Heroku. Note that IronWorker currently requires Ruby 1.9.2 or later. Please check the Heroku documentation to find out whether your stack is supported and how to select a supported stack.
Once you have a stack selected, you need to install the IronWorker add-on for Heroku. You can do this with a quick command: