Creating a mobile version?

Question

Mobile development

I will say right away - I know that there are many topics, but many are outdated, and not entirely correct (for me).
In general, there is a site written in Laravel. Everything is fine, it works.
But there was a problem with the mobile version, I have some plans for the mobile version, therefore, adaptability immediately disappears.
I have two options:
subdomain;
mobile application (I don't know java).
The whole point is that I will cut the functionality (strongly) and, in particular, redo some of the chips (not the point).
Googling, I found a lot of negative reviews, especially shouting that SEO will suffer (I’m not strong at all here, I don’t know).
So, how should I be?
To score on everything and make a subdomain? (Ps: the database will be the same, but the whole point is in the functionality, it will be too truncated (I repeat)).
Thank you.

Answer 1

We always make a subdomain, if it is impossible to make an adaptive, like m.domain.com.
I think SEOs will tell you better. But we have only one client project mob. the version is closed for search engines, the rest do not worry about it.