Klopping co-founded of Blendle, a digital platform that enables users to buy individual news articles, which he sold in 2020.

He told Reuters his determination to pursue the tech giants grew out of his experience at Blendle.

“The reason it's getting so much attention right now is that everyone feels in their gut that there's this imbalance of power when it comes to big tech companies."

While developers have complained most about app store practices, costs are ultimately passed on to consumers.

Klopping's App Store Claims Foundation is being represented by law firm Hausfeld, with funding from Fortress Investment Group. Klopping's App Store Claims Foundation is being represented by law firm Hausfeld, with funding from Fortress Investment Group.

Hausfeld lawyer Rob Okhuijsen said the next step will be submitting evidence to the Amsterdam District Court in April. If a judge agrees, the court would then begin weighing the merits of the complaint.