What exactly do you miss - where is the difference to the pay-version?
I use this
, or if you want to read offline - printed or in .pdf-format
The difference is that the pay version has all the documentation included, including a local search function, and does not need an always on internet connection.
For my intended use case in Africa, both options are not ideal. I know the documentation takes space, but Wolfram should include an option to download such documentation.