Refcat/DuolingoUI reference · WebCompleting a lesson (letters) in Duolingo17 screens · DuolingoAdded to Refcat Oct 11, 2026Every screen in orderPatternsClass & Lesson DetailDraw & AnnotateQuizAcknowledgement & SuccessComponentsbuttonlistdropdownExplore real product flowsOnboardingCompleting a quizCanceling a planStarting a free trialLearnCompleting a lessonCreating a profileReporting a questionCopying an invitation linkEditing an avatarLogging inProfileExplore the full catalog