Duo ABC
Duo ABC Summary
Duo ABC is a with in-app purchases iOS app in Education by nguyen thanh. Released in Sep 2022 (3 years ago). It has 19 ratings with a 4.58★ (excellent) average. Based on AppGoblin estimates, it reaches roughly 39 monthly active users and generates around $<10K monthly revenue (100% IAP / 0% ads). Store metadata: updated Feb 27, 2026.
Store info: Last updated on App Store on Feb 27, 2026 .
4.58★
Ratings: 19
Screenshots
App Description
With app, students can master English effectively in grade 10.
Forget about flipping through textbooks or searching for the right pronunciation files on your device. With Duo ABC, students can take tests directly in the app, making English learning more efficient and convenient.
Duo ABC is designed for 10th-grade students who want to enhance their English skills, helping them perform well in their studies and exams.
Key Features:
Offline Access: Use the app without an internet connection.
Easy Learning: Students can progress through each lesson at their own pace.
Teacher-Friendly: Teachers can use the app on phones and tablets to teach directly in class.
Start learning with Duo ABC today — the perfect tool for mastering English!
Please read the Terms of Use: https://thanhbkap.github.io/M4U-Term-And-Use/