HLT is shaping the future of education with effective, engaging mobile and web study solutions for today?s students. Our evolutionary solutions help students study on-the-go for college admissions tests, classroom courses, professional certifications and licensure exams. Since 2012, HLT has attracted millions of learners and become the market-leading platform for mLearning applications.? Our stats are impressive. Among them: Twenty of our study solutions are on the App Store?s Top 100 Grossing list. Why? Because they work.