Product design question
How would you design a food delivery app for kids?
Practice this question out loud. An AI interviewer asks it, follows up like a real interviewer would, and scores your answer. Type or speak.
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What this question tests
Product design for a dependent user (kids) within a service actually used/paid for by parents: can you design for both without confusing who the real decision-maker is.
How to approach it
- Identify the two users: kids (who might browse/select food) and parents (who approve, pay, and worry about nutrition).
- Define the core need: fun, simple food discovery for kids, paired with parental control over nutrition and spend.
- Propose the design: a kid-friendly visual menu (pictures, simple categories) that requires parent approval before checkout.
- Add parental controls: nutrition filters, spending limits, and order history visibility.
- Address a risk: kids ordering junk food repeatedly, so nutrition guardrails or portion/variety nudges matter.
- Define success: parent satisfaction/retention and repeat usage without parent complaints about diet.
What a strong answer includes
- Clearly separates the child's experience (fun, visual) from the parent's control layer (approval, nutrition, spend), rather than merging them into one confusing flow.
- Treats the parent as the actual decision-maker and payer, keeping final order approval with them.
- Adds a concrete nutrition guardrail, showing awareness of a real concern parents would have with a kid-facing food app.
- Chooses a success metric centered on parent trust and satisfaction, since parents are the ones who'll keep or cancel the account.
Common mistakes
- Designing purely for kids' fun with no parental control layer, which no parent would allow unsupervised.
- Not addressing the nutrition/health concern that's an obvious objection for a kids' food app.
Likely follow-up questions
- How would you prevent kids from bypassing parental spend limits?
- How would you balance fun/appealing food options against nutrition concerns?
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Learn the skill behind it
Chapters of the AI PM course that teach what this question tests.
- Chapter 4: Discovery and strategy for AI products
- Chapter 7: AI UX and human oversight: design for a system that is wrong sometimes
- Chapter 14: Get the job: the AI PM interview loop