Product design question

Design a Fitbit app for kids.

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What this question tests

Product design for a young user segment with parental oversight needs, balancing motivation with privacy and healthy screen habits.

How to approach it

  1. Segment users: kids as the primary device wearer, and parents as the account owner and oversight stakeholder.
  2. Identify the pain point: kids need fun, non-intimidating motivation to stay active, while parents need visibility without feeling like surveillance.
  3. Prioritize the motivation design for kids first, since low engagement is the biggest failure mode for a kids fitness product.
  4. Design the solution: playful goal framing, adventures, badges, friendly competition with siblings, rather than adult-style step counts.
  5. Add a parental layer: a simplified parent dashboard with positive framing rather than strict monitoring.
  6. Define success: weekly active-movement days per child and parent-reported satisfaction, not just raw step count.

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