The Google monopoly seems way worst and straightforward to me. Why it isn’t addressed first and why does everyone seemingly ignore them and obsess with Apple is a mystery to me.
https://www.justice.gov/opa/pr/justice-department-sues-googl...
https://apnews.com/article/google-android-play-store-apps-an...
https://www.reuters.com/legal/us-wraps-up-antitrust-case-aga...
Note in some of these were chased even though Google has been less restrictive than Apple (e.g. on the Play Store payment case Google has always allowed 3rd party app stores on Android).
Sms - android choose 100 apps that can deal with SMS, iOS - one app, no one else can touch SMS
Phone - same
Wallet - any app can be a payment wallet, my own bank, privat24 has this functionality - iOS, only Apple can use NFC
Photos - only iCloud can sync them
The list goes on