腾斯 is an English learning app that provides students with a convenient tool to practice American English anytime and anywhere. Developed by MELODY PUBLISHING CO. LTD., this app offers a variety of features including watching and answering questions about foreign teacher videos, learning phonics, practicing oral skills, and taking exams.

With 腾斯, students can improve their English pronunciation by recording their own voice and receiving feedback from teachers through the app. Parents can also track their child's English learning progress through the learning records provided by the app. Additionally, school administrators can use the app to assess the competitive ranking of their students in English learning.

This free app is available for iPhone users and falls under the Education & Reference category.