Heroku is a cloud Platform-as-a-Service (PaaS) supporting several programming languages that is used as a web application deployment model. Developed by Salesforce
License: Freemium
Heroku is known for its simplicity and rich ecosystem of add-ons, making it ideal for developers looking for quick deployment and ease of use. In contrast, Google App Engine offers more robust scalability and integration with Google Cloud Platform, making it well-suited for larger applications and those needing advanced features.