It turned out that Apple was trying to raise the App Store fee to 40%

A hearing was held at the American House of Justice Committee in which four CEOs of 'GAFA' participated remotely. In it, it became clear that Apple was looking to raise App Store fees from 30% to 40%.

Emails revealed in antitrust hearing show Apple has considered increasing App Store fees to 40%-9to5Mac

This was revealed by the wording of an email sent to other Apple executives in March 2011 by Vice President Eddie Kew who is in charge of Internet software and services. In the email, Kew writes that the first-year fee for recurring subscriptions should be 40%.

Documents from the Hearing on “Online Platforms and Market Power: Examining the Dominance of Amazon, Apple, Facebook and Google'

pic.twitter.com/42o2Ye13jI

— House Judiciary Dems (@HouseJudiciary) July 29, 2020

Due to some developers blaming the fee as 'anti-competitive', we reduced the subscription fee from the second year onwards to 15% at the time of the major update in 2016 . However, even then, the app developers complained that the fees were high enough.

App stores operated by Apple and Google are getting frustrated by application developers if they are taking too large fees-GIGAZINE

At a hearing, Apple CEO Tim Cook explained that 84% of the apps available in the App Store do not require Apple to pay a fee. This is as shown in the 'App Store' item on the Apple official website.

App Store-Our principles and methods-Apple (Japan)
https://www.apple.com/jp/ios/app-store/principles-practices/

The state of the hearing is available on YouTube for 5 hours and 29 minutes in full length on the House Legal Committee channel.

Online Platforms and Market Power: Examining the Dominance of Amazon, Apple, Facebook, and Google-YouTube