Ripeti is a flashcard app that helps you learn over 4,000 useful Italian words on your Apple Watch using a spaced-repetition system.
Some of the key features of this app are:

Spaced-repetition algorithm that prioritizes Italian words you get wrong more often, helping you focus on what you don’t know

Watchface complications that show new Italian words each time you glance at the time

Flexible word order, so you can learn at your own pace without being tied to fixed levels or categories

Progress tracking, so you can see how many words you’ve reviewed and learned

Audio pronunciation for every Italian word to help you improve your accent and listening skills