Under "Settings", you can select the "Applications" tab to view your application's plan.
Additionally, you can view the plan your application is currently on in the billing overview section of the Algolia dashboard (be sure to select the application you want to check if you have more than one).
The name of your plan is displayed on the right side of your dashboard under My current subscription:
Over time Algolia has had different plans with different names and features. The currently available plans are listed on our pricing page.