Discover Unlock English—the innovative app that transforms your everyday phone unlocks into 5-second vocabulary sprints using spaced repetition. Perfect for travelers, exam-prep students, beginners, and busy professionals looking to learn English effortlessly.

Unlock GENKI! transforms idle screen time into micro-lessons for Japanese mastery. Perfectly aligned with GENKI 3rd Edition, this app offers vocabulary, kanji, and phrase drills in just 5 seconds per unlock.

Unlock Japanese fluency with Japanese Kanji Flipcards. Transform your phone unlocks into 5-second micro-lessons to master kana, kanji, and prepare for the JLPT using spaced repetition.