Yes, you can!
If you don’t like the app, you can request a refund through your Apple account. Simply sign in at reportaproblem.apple.com with your Apple ID, select the app, and follow the instructions for a refund. The Apple system will guide you through the rest step by step.
Note: This FAQ describes the general procedure—terms and conditions are subject to change. Please check the App Store directly for current rules and deadlines if needed.