--- title: "Duo ABC — App Overview" url: https://marlvel.ai/apps/duo-abc category: Education developer: nguyen thanh platforms: ios rating: 4.6 (19 ratings) pricing: free report_level: overview generated: 2026-05-09 last_verified: "2026-05-09T07:34:36.987Z" overall_rating: 4.6 total_reviews: 19 data_age_days: 66 --- > **Key Insight:** Duo ABC serves as a digital classroom companion that streamlines English curriculum delivery and testing for 10th-grade students and teachers. | Metric | Value | |--------|-------| | Category | Education | | Rating | 4.6 ★ (19) | | Pricing | free | | Platforms | iOS | | Latest Version (iOS) | 1.0.67 | | Developer | nguyen thanh | ## What is Duo ABC? Duo ABC is an educational tool designed to help 10th-grade students master English through in-app testing and self-paced lessons. It eliminates the need for physical textbooks and external audio files by centralizing study materials and assessments in a mobile-friendly format. ## Key Features - **Offline Access**: Allows students to utilize the app's learning materials without requiring an active internet connection. - **In-App Testing**: Enables students to complete English assessments directly within the application for increased convenience. - **Self-Paced Learning**: Provides a structured environment where students can progress through lessons at their own speed. - **Teacher-Friendly Interface**: Optimized for phones and tablets to support instructors in delivering lessons directly in the classroom. ## Who is it for? 10th-grade students seeking to improve their English proficiency and academic performance. ## Links - [App Store](https://apps.apple.com/us/app/duo-abc/id1594001123?uo=4) - [Full Intelligence Report](https://marlvel.ai/apps/duo-abc) --- *This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/apps/duo-abc).* *Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*