A SmarTrip card can only be on one device at a time, but you can easily move it between your devices.
From iPhone to Apple Watch:
- Open the Watch app on your iPhone.
- Select the Wallet & Apple Pay option.
- Under Other Cards on Your Phone, choose the card you want to transfer to your Apple Watch and tap the Add button next to it.
- Follow onscreen instructions to complete the transfer.
From Apple Watch to iPhone: - Open the Watch app on your iPhone.
- Select the Wallet & Apple Pay option.
- Under Payment Cards on Your Watch, choose the card you want to transfer to your iPhone and select Add Card to [iPhone Name].
- Follow onscreen instructions to complete the transfer.