What are the key differences between Epicureanism and Hedonism in terms of their philosophies on pleasure and the pursuit of happiness?

Epicureanism emphasizes simple pleasures and the avoidance of pain to achieve a tranquil life, while Hedonism prioritizes maximizing pleasure and indulgence to attain happiness. Epicureans seek moderation and inner peace, while Hedonists pursue immediate gratification and sensory pleasures.