Can I use my code on multiple devices? April 16, 2026 15:21 Yes, but only one account can redeem the code. Once redeemed, you can log into your account on multiple devices. Related articles What happens if I create an account but do not complete onboarding? Is the code single use? Can I redeem the invite code later after creating an account? How do I redeem my code? Why hasn't my Tandem application been accepted yet?