That is a not a cure-all solution. It may be better as Apple has a higher barrier of entry into their store but those apps still exist. And Apple doesn't remove these apps right away either, for instance it took Apple one month to remove the app that was sending browser data to China.

https://www.macrumors.com/2018/09/07/adware-doctor-stealing-...

https://www.forbes.com/sites/bernardmarr/2015/10/20/data-thi...