"Great alternative" refers to an excellent option or choice that can be considered instead of something else. It implies that this alternative is favorable and could be a better alternative than the original option. Full definition
These are films that I am looking forward to seeing and would make great alternatives if you can't get a ticket to one of the other films on this list. (weliveentertainment.com)
In recent years, many minimalist shoes have emerged as great alternatives. (wellnessmama.com)
Soy milk also offers great alternative for individuals who are intolerant to lactose present in cow's milk. (hgh10.com)