[Help] React or Angular

Hello,

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I have already learn nodejs / javascript / ejs via udemy (i took a web development bootcamp course) and now i am in dilemma between Angular 7 and React. I want to learn one of these frameworks and i am really really confused about them. My old teacher had advise me to learn Angular, i read on web good things about this framework and i bought a course in udemy but now i have my doubts.

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My goal is to create fully multi platform apps with little effort and well optimized. (I don't like to be limited) I like front-end and back-end development. I know Java (JavaFx), android development and C#. I just think that all of these technologies that i know are old.. i want to learn something new and useful so i can have a good job position in the future.

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I already have pay for Angular 7 lessons in udemy but i read on web that Angular 7 is not fast and responsive in mobile apps as React native.

In addition, if i want to use Angular 7 for mobile development i have to learn IONIC framework but does it worth it?

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Can someone help me to choose?