What it courses on mobile design to choose?

Faced with the problem of learning.
This:
  • Web developer, about 3-4 years;
  • Pathetic attempts to approach Kotlin and Swift;

I understand that you need to buy/register for courses on mobile development.
Question: what courses will recommend it for Android, ios development (MB themselves were trained)?
April 3rd 20 at 17:30
2 answers
April 3rd 20 at 17:32
No. Well, not teach you "prepodavatel" receiving a penny, something.
Read books.
This is the answer.
Under rates mean: udemy, skillbooks, Yandex workshop, etc. online education - Thelma_Larson21 commented on April 3rd 20 at 17:35
@Thelma_Larson21, I guess. - Lily_Borer commented on April 3rd 20 at 17:38
April 3rd 20 at 17:34
For Android tons of information on the Internet in free access. Courses not needed now.

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