Anki is free spaced-repetition software, but plain cards do not fit drinks. The add-ons worth installing and the modifiers note type that makes a barista deck work.
Splitting an Anki barista deck into one subdeck per milk feels tidy but weakens recall. Use one deck with milk-type tags so Anki interleaves drinks like a real rush.
A plain front-and-back card cannot hold a drink that changes by size, temperature, and modifiers. Here is the Anki note type, fields, and cloze logic that can.
A barista Anki deck can be excellent or a mess depending on how you build it. Here is what a good one contains, and the faster alternative if you skip it.