Scheduled emails are added to the Scheduled section in Cloze. In the Scheduled section you can reschedule, send immediately or delete an email.
1.) Tap on More (...) in the lower right of your screen on mobile (iOS/Android) and lower left on cloze.com.
2.) Tap on Scheduled
3.) Tap on a message to reschedule, send now or cancel. You can also swipe to the right to reschedule or swipe to the left to cancel.
Note: When you tap on the X icon the message is moved to your Drafts. Tap on more > Drafts to edit your email and schedule it for another time.