Words - The Vocabulary App app for iPhone and iPad

Words is an app that allows you to create lists of flashcards that will help with memorization of vocabulary.

∙ Easily create new groups and add, remove, or modify words inside the groups
∙ Display lists with translated words, native words, or both
∙ Support for Chinese (pinyin along with native and translated word)
∙ Keyboard shortcuts for appending tones to pinyin
∙ Easily add selected words to a review list

The app is entirely free and open source, so feel free to have a look at its github page. If you like it, remember to leave a 5-star rating.

Enjoy!