While that's a good idea it will never happen, since it's diametral to the interest of the app stores, which is to make as much money as possible.

Of course, if the abuse gets too bad there will be regulatory backlash.

It's not just the app stores. Facebook used to call it "friendly fraud" when they billed someone thousands because an obfuscated transaction occurred each time a kid pressed a button.

> One deposition shows Facebook employees were reluctant to reduce this "friendly fraud" because it would likely also reduce the company's overall revenue.

https://www.forbes.com/sites/erikkain/2019/01/25/facebook-tu...

Which of course is the same reason why android and ios will never show you data on how often you use your phone and allow you to send less time on your phone...

They don't want kids sending thousands of dollars. It is bad PR for pocket change for them. They already have options in the OS to prevent this. They just need to change the defaults and a few additional features.

Both iOS(Screen Time)[1] and Android(Digital Wellbeing)[2] show how much you use your phone and let you set limits for smartphone usage. 1. https://support.apple.com/en-us/HT208982 2. https://wellbeing.google/

Is a reasonable spending limit set by default?