[iPhone God App] It was found using the Memorize Words for French actually

Memorize Words for French is an intelligent vocabulary trainer designed to help you memorize over 5600 French words as fast as possible utilizing a Spaced Repetition algorithm that learns how you learn. Using this, you will memorize thousands of words yet only review, at most, a hundred words daily.

Each day you’ll review words and learn new words selected automatically based on word use frequency. In addition, you can select individual words or categories of words to your daily lessons. Once you become proficient with a word, an English translation will be added and, eventually, followed by an audio-only French word.

In between reviews, several games are provided for additional practice on your least proficient words.

FEATURES

• A systematic approach to vocabulary building.
• Hours of professionally recorded speech.
• Searchable dictionary for fast, on-the-go translation.
• Word puzzle games to reinforce troublesome words while having fun.
• App does not require a network connection to function. Perfect for travel when you don't have service, but you need a dictionary.