> Apple and Google have your credit card

They don't have mine.

Even if they did, having a credit card is not proof of age.

> if you are a parent that bought soem phone for you child then at first boot up as a parent should be your job to setup a child account

Setting up a "child account" shouldn't involve setting some age field. Setting up a "child account" should involve restricting permissions.

Why leave it to the OS or a company to decide what is "age appropriate"? Leave it to the parent to decide what the child should or should not have access to. Extra bonus: that same "child account" can then also be used for other restricted purposes. Want a guest account which limits activity? Want an incognito account? Want a sandbox account? None of these should require setting some age.

This shit already happened years ago with consoles, i setup a choild account and the games were restrcited and other features also.

I am not paid by a trilion dollar company to decide if it should be a birthday input, or a dropdown where you select your political and religious conviction about what your child should see. Sony figured it out, if Apple pays me I will spend more time to write for them a UX flow so average people could sert the accpunts up and the rest could ask their priest, cousins or other person that can follow instructions to setup the account for them.

The giants shoudl have solved this decades ago and not wait for the fanatic religious to push for this as laws and get the goverments involved, now you will get 25 different laws about this.