Product design question

Design an app for a gym.

Practice this question out loud. An AI interviewer asks it, follows up like a real interviewer would, and scores your answer. Type or speak.

What this question tests

Tests scoped product design for a fitness app, requiring a specific segment and pain point rather than a generic fitness-tracker answer.

Segment on gym-goers who join with intent but struggle with consistency, since that's the largest addressable pain point, not elite athletes.
Identify the pain point: motivation drops after the first month, and workout planning feels like a chore without guidance.
Design a core loop: a simple guided workout plan adjusted weekly based on logged performance, plus a streak and light social accountability with gym friends.
Add a check-in feature using phone location or gym wifi to auto-log attendance, reducing manual logging friction.
Define success as 30 and 90-day active-user retention, and average workouts logged per week compared to a self-reported baseline.

Targets the largest real segment, inconsistent gym-goers, rather than power users who already have their own system.
Reduces logging friction with auto check-in, addressing a common reason fitness apps get abandoned.
Picks longer-horizon retention as the success metric, the true test of a habit-forming fitness product.

Designing for elite athletes or power users instead of the much larger inconsistent-gym-goer segment.
Measuring only downloads or day-one activation instead of longer-term habit retention.

Chapters of the AI PM course that teach what this question tests.