**Publisher:** Duolingo, Inc.
**Subjects Covered:** Language learning, communication skills, vocabulary, pronunciation, reading comprehension, and grammar.

Overview

Duolingo is a free, interactive platform that offers instruction in over 40 languages through short, game-like lessons. It employs adaptive learning technology to personalize lessons based on user progress, reinforcing vocabulary, grammar, and pronunciation. Though not an academic database, Duolingo supports global learning and communication goals for South Dakota Mines students, faculty, and staff preparing for travel, study abroad, or international collaboration.

Scope and Content

• Languages: Over 40, including Spanish, French, German, Japanese, Chinese, Arabic, and English for non-native speakers.
• Skill Areas: Reading, writing, listening, speaking, and grammar.
• Format: Text, audio, and speech-recognition exercises.
• Learning Model: Adaptive spaced repetition with AI-driven progress tracking.
• Access Model: Free with optional paid Super Duolingo (ad-free and offline access).
• Platforms: Web-based and mobile (iOS and Android).
• Update Frequency: Continuous updates and course improvements through AI feedback.

Strengths

• Completely free and accessible for all learners.
• Gamified lessons enhance motivation and daily engagement.
• Wide range of languages, including less commonly taught options.
• Speech recognition and AI feedback help improve pronunciation.
• Ideal for developing practical, conversational fluency.
• Supports global literacy and intercultural communication for Mines students.

Limitations

• Not a substitute for formal, credit-bearing language courses.
• Limited grammatical depth and cultural context.
• Requires self-discipline; lacks instructor guidance.
• Speech recognition accuracy can vary depending on accent or equipment.
• User data and progress are account-based; some privacy limitations apply.

Best For

• Students preparing for international research, travel, or study abroad.
• English language learners and ESL support for campus success.
• Faculty and staff developing conversational proficiency for collaboration.
• Independent learners seeking basic fluency in a new language.
• Community members and outreach programs promoting global awareness.

Complementary Databases and Resources

Overall Evaluation

Duolingo is a highly accessible, engaging, and user-friendly language-learning platform that supports self-paced study in dozens of world languages. It helps students and faculty at South Dakota Mines enhance communication, prepare for global collaboration, and build cultural awareness. While not an academic database, Duolingo aligns with institutional goals of promoting international engagement and cross-cultural literacy. It should appear on the A‑to‑Z Databases list and in Global Studies, International Education, and ESL/Study Abroad LibGuides as a free, interactive tool for personal and academic language learning.

Ask Digby – Library Help

Want to improve your language skills or prepare for international travel? Ask Digby, the Devereaux Library’s friendly prairie dog mascot! Digby can help you find Duolingo and other global learning tools to support your studies, travel, and communication goals.

📧 Email: library@sdsmt.edu

🌐 Chat: Ask Digby

🔗 Library Catalog (Primo): https://sdsmt.primo.exlibrisgroup.com

📍 Devereaux Library, South Dakota Mines, Rapid City, SD