AIFOXX AI Tools Directory LogoAIFOXX
    Duolingo logo

    Duolingo

    Freemium★ FEATURED
    https://duolingo.com
    >> OPEN TOOL

    Duolingo is the world's most popular language learning app, using AI and gamification to teach over 40 languages through bite-sized daily lessons and adaptive exercises. Its AI-powered features include personalized practice, speaking recognition, and conversation practice with AI characters.

    Category

    Education

    Subcategory

    Language Learning

    Free Tier

    Full course access with ads

    Paid Plans

    Duolingo Plus ~$6.99/month (ad-free, unlimited hearts); Super Duolingo ~$12.99/month

    API Cost

    Not available yet

    Web AppiOS AppAndroid App

    Duolingo Trust & Security Report

    Certifications, AI-training posture, and security controls, with sourced proof.

    VIEW
    ●ISO 27001●SOC 2 Type I●GDPR (self-declared)●COPPA (parental consent mechanism)

    Verified against Duolingo's own trust and security pages. See the full report for sourced proof →

    Region

    United States (Amazon Web Services). No explicit EU data residency commitment found for the consumer app. DET supplemental privacy terms may differ.

    Trains on Data

    Yes

    Self-hostable

    No

    Daily language practice for beginners and intermediatesLearning a new language for travel or workSchool-aged children building foreign language skillsMaintaining language skills through daily streaksPreparing for language proficiency assessments

    // MORE IN LANGUAGE LEARNING

    Khan Academy (Khanmigo) logoKhan Academy (Khanmigo)
    Free
    EducationTutoringVerified
    #tutoring#k-12
    Coursera logoCoursera
    Freemium
    EducationCourse CreationVerified
    #online courses#certificates
    Udemy logoUdemy
    Paid
    EducationCourse CreationVerified
    #online courses#marketplace
    #language learning#gamification#ai tutor#mobile#multilingual