價格：免費
檔案大小：77.9 MB
版本需求：系統需求：iOS 8.0 或以後版本。相容裝置：iPhone、iPad、iPod touch。
支援語言：英語
Quiz based study tool. Multiple tiers of difficulties for the questions that provide points toward the leaderboard. Daily challenge question randomly picked daily. Study mode with catalog of incorrectly answered questions.
