Heroku add-ons are components, services, or pieces of infrastructure that are fully maintained by a third-party provider or by Heroku.| devcenter.heroku.com
Heroku Key-Value Store is an add-on that provides a production Redis service with local command line access, metrics and logs.| devcenter.heroku.com
Heroku calculates billing based on wall-clock usage.| devcenter.heroku.com
Heroku offers simple, flexible pricing to meet the needs of every app and every organization. Add data stores, cloud services, support, and more.| www.heroku.com