Free visual lab
Explore the app like a tester
Move around a practice shop app, tap any part to see what to test, read a real example, and finish 16 short missions, from meeting the app to building a test suite.
Drag to move. Scroll or pinch to zoom. Tap a part.
Selected part
Checkout
Checkout turns a cart into an order. It mixes forms, money and outside payment services, so testers check both happy paths and failures.
Missions
0/16Tap a few parts on the map to see what each one does.
A shopper presses Add to cart. Which part receives the request before anything is saved?
0 practice points (10 per mission, not counted on the leaderboard)
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Keep going
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