Is Peetnik Rewards free to join? June 06, 2019 00:45 Updated Yes, the Peetnik Rewards program is free to join. Simply download the Peet's app in the App Store or Google Play. Related articles What is Peetnik Rewards? Do I need a smartphone to participate in the Peetnik Rewards loyalty program? Why do you need my birthday? Can I earn points at every Peet's location? How long are rewards valid?