Product & Growth · Platform Strategy · Hard · 35-45 min

Premium Device Maker — Defending the Ecosystem

Premium Device Maker — Defending the Ecosystem is a hard Product & Growth platform strategy case interview that runs 35-45 min. A premium consumer-hardware company makes most of its profit on devices but increasingly on a high-margin services/ecosystem layer (app store, subscriptions, accessories). A strong answer works through 5 phases: Map the profit pools; Assess the ecosystem flywheel; Confront the regulatory risk to app-store fees and closed defaults; Identify services growth levers; Recommend how to grow services while managing regulatory and customer-goodwill risk.

Last updated 2026-09-05

The brief

A premium consumer-hardware company makes most of its profit on devices but increasingly on a high-margin services/ecosystem layer (app store, subscriptions, accessories). Hardware sales are maturing, regulators are challenging the closed ecosystem and app-store fees, and growth must come from services. You advise on how to grow services while defending the ecosystem.

How to approach it

  1. Map the profit pools — device vs services — and where growth and margin actually sit
  2. Assess the ecosystem flywheel — how devices drive services and lock-in, and where it's threatened
  3. Confront the regulatory risk to app-store fees and closed defaults — quantify the exposure
  4. Identify services growth levers — new subscriptions, bundling, expanding the installed base's spend
  5. Recommend how to grow services while managing regulatory and customer-goodwill risk

What a strong answer does

  • Distinguishes device profit from services profit and sees services as the growth/margin engine
  • Understands the hardware-services flywheel and the lock-in it creates
  • Takes the regulatory threat to app-store economics seriously and sizes it
  • Finds growth in deepening installed-base spend, not just new device sales
  • Balances monetization against the customer goodwill and regulatory backlash risk

Red flags interviewers score down

  • Treats hardware and services as one undifferentiated business
  • Ignores the regulatory threat to app-store fees
  • Pushes ecosystem monetization with no view on backlash or churn
  • Assumes device growth continues and neglects services

Cases are written in each firm's style, written and reviewed by working consultants; they are not the firms' own published cases.

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