Spotify shows how in-app purchases will work in Europe come March

Consumers and Innovators Win on a Level Playing Field — Spotify

Spotify to start in-app purchases on iPhone in Europe after DMA takes effect

Spotify plans to launch in-app purchases, if Apple gets out of the way - The Verge

Apple faces £430m EU fine in long-running row with Spotify

Spotify - Wikipedia

Spotify will launch its own in-app payment system for iOS users in the EU

As Spotify's Popularity Grows in Europe, What Does the Future - Comscore, Inc.

Chart: The App Store Model

Apple (AAPL) Overhauls App Store, iPhone Features in EU to Appease Regulators - Bloomberg

Apple Plans New Fees and Restrictions for Downloads Outside App Store - WSJ

Apple Set to Face Near €500 Million EU Fine in Spotify Row - Bloomberg