I had stepped back from practicing my writing iten English for a while/some time. I had stepped back from practicing my written English for a while/some time.

I had steopped back from practicsing writing in English for a while. I had stopped practising writing in English for a while.

After a month and a half of recharging, I finally feel ready to get back into writing! After a month and a half of recharging, I finally feel ready to get back into writing!

But this time, I will do it at a smoother pace to avoid burnout. But this time, I will do it at a smoother pace to avoid burnout.

I think I'd say 'a more conservative pace', but what you've written is correct.

But tThis time, I will do it at a smoothlower pace to avoid burnout. This time, I will do it at a slower pace to avoid burnout.

Smoother pace sounds unnatural. I was assuming that you're going slower to avoid burnout.

Recently, since I’ve done less output practice,I’ve practiced writing and speaking less; I have been reading a lot of English books. Recently, I’ve practiced writing and speaking less; I have been reading a lot of English books.

I subscribed to an app called LingQ, which allows me to import my own eB-books. I subscribed to an app called LingQ, which allows me to import my own e-books.

I thought it had been maybealmost half a year, but it’s actually only been one and a half months since my last essay/entry. I thought it had been almost half a year, but it’s actually only been one and a half months since my last essay/entry.

Unless your last entry was an essay, I would refrain from using that term.

ButHowever, LingQ does help me read English books more efficiently. However, LingQ does help me read English books more efficiently.

The downside is that the user interface design is quite unintuitive, and the app is sometimes buggy. The downside is that the user interface design is quite unintuitive, and the app is sometimes buggy.

I'd say 'is not intuitive', but what you've written is correct.