UI means user interface: what you see and touch — colours, fonts, icons and the layout of a screen. UX means user experience: how it feels to use the app — is sign-up easy, do users get lost, how many taps does a task take? A beautiful app can still have poor UX. One simple UX check is counting taps: if two designs do the same task, the one with fewer taps is usually the better experience.
Look and feel — “UI = the look you see; UX = the experience of using it”
UI (user interface) = the look: colours, fonts, icons, layout.
UX (user experience) = how it feels: easy, fast, not confusing.
Count taps: each arrow in a path is one tap; fewer taps for the same task = better UX.
Use it for: Comparing two designs, giving feedback on a friend’s app and improving your own.
Worked example: 👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
Design A: Home → Pay → Size → Item → Cart → Menu
Design B: Home → Address → Item → Pay → Design B
Work it out in your head or on paper, then tap your answer — or type it and press Check. Stuck? Press “Show me how”.
Right: 0 · Tried: 0
🏁 Lesson 9 test
20 questions. Check each answer, then go to the next one. Get 16 or more right to pass.
🏅 Sign in with Google to earn the
🎨 UI and UX Designer badge when you pass — and a certificate when you finish all 8 lessons of
Part 2 · Designing Apps. You can still take the test without signing in.
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