Yes it is. You can use free Aronium version as long as you like. There are no obligations or hidden costs.
However, keep in mind that Aronium is a "freemium
" product, meaning that there is a free version, and other paid versions or extensions offered as more advanced alternative.
Of course, everything you downloaded for free, will remain free forever, and we'll do our best to add as much free features as possible.
To be sure what options are free of charge, look for the FREE
sign on our download page
All other, paid options, will be clearly marked as PAID