Vocabulary Challenge: Trivy is an educational application available for iPhone. Developed by Dmitry Shapkin, this free app falls under the category of Education & Reference. Trivy aims to help users enhance their vocabulary skills by challenging them to translate words in just 3 seconds. The app supports translation between the user's native language and the language they are learning.

Trivy offers 6 levels of language learning, ranging from beginner to proficiency. Users can choose from a wide range of languages to learn, including English, Spanish, Chinese, German, Italian, French, Turkish, Japanese, and many more. The app works offline, making it convenient for users to practice their vocabulary skills anytime, anywhere.

With Trivy, users can play games and engage in activities to expand their vocabulary. The app utilizes an advanced teaching algorithm and study tools to help users improve their vocabulary effectively. It also tracks the number of words users know and determines their level of proficiency.

Whether you are a small child or a college professor, Trivy is designed to cater to everyone's vocabulary learning needs. So, if you are looking to enhance your vocabulary skills in English or any other language, Trivy is a reliable friend that can assist you on your language learning journey.