“When you're comparing like cost of burger in United States is cost of burger in Brazil the main reason that you have very different audience like different customers for burger and potentially for your app... average customer of your subscription in Brazil probably is a more like more affluent part of society.”

Big Mac Index Fails for App Pricing — Your iOS User in Brazil Is Not Average Brazil

The Big Mac Index assumes your Brazilian subscriber mirrors the average Brazilian consumer. They don't — your typical iOS subscriber in an emerging market skews wealthier and more tech-savvy than the population mean. Pricing based on purchasing power parity benchmarks systematically undervalues what your actual customer base can and will pay.