Is 32 Gb enough for iPad 2018 ?

You cannot upgrade storage on any iOS device so always best to get as much as possible. And honestly, with over 2 million apps in the App Store there is no such thing as the “usual” apps or usage. Peoples usage patterns vary tremendously.

Do you take a lot a lot of pictures or videos? Do you want room for lots of movies, tv shows, etc. Some people have hundreds of apps on their devices, others will only have a handful. Some people work with large files, others not. Etc.

With a 32 GBs iDevice, after formatting, installation of iOS and all of its default apps, you end with approx 27-28 GBs of actual free data storage space.

For an iPad to continue to work at an acceptable, nominal level of performance, you need to maintain, at least, between 2-3 GBs, bringing your actual free data storage space down between approx, 24-26 GBs.

A 128 GBs iDevice will net you approx. 118-120 GBs of actual free data storage space

If this helps.

Ultimately it's up to you... but I'd get as much as you can afford. It always seems to fill up no matter how much room you have.

It depends on how you are gonna use the iPad, for work or private. I recommend private - 32. Work - 128 GB

the operating system use some of the storage so 32MB do not mean 32MB for you