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The Best Language Learning Apps

How leading language apps compare on teaching effectiveness, value, language range, and engagement.

Last updated Jul 3, 2026

We compared five popular language learning tools, from gamified free apps to immersion methods and live tutor marketplaces, weighing how well each teaches, what you get for the price, how many languages it covers, and how well it keeps you coming back. Pricing and features were taken from each provider's official pages. Affiliate links, where present, never change the ranking or the scores.

  1. 1

    Babbel

    Our pick

    A structured subscription app focused on practical conversation skills.

    7.6
    / 10

    Pros

    • + Lessons designed by linguists around real conversations
    • + Clear grammar explanations alongside vocabulary practice
    • + Speech-recognition practice for pronunciation

    Cons

    • − Covers around 14 languages, fewer than some competitors
    • − Requires a paid subscription for most content
    • − Less gamified than free alternatives
    From $15.00 /month
    Visit Babbel
  2. 2

    Duolingo

    Best free

    The world's most popular language app, free and heavily gamified.

    8.4
    / 10

    Pros

    • + Extensive free course library across many languages
    • + Highly gamified design that builds a daily study habit
    • + Bite-sized lessons that fit into short breaks

    Cons

    • − Lighter on grammar explanation and real conversation
    • − Ads and energy limits push users toward the paid tier
    • − Less effective on its own for reaching advanced fluency
    From $0.00
    Visit Duolingo
  3. 3

    Rosetta Stone

    A long-established app built around full immersion in the target language.

    7.0
    / 10

    Pros

    • + Immersion method builds intuition without constant translation
    • + Strong pronunciation practice with speech recognition
    • + Lifetime purchase option available for long-term learners

    Cons

    • − Minimal grammar explanation can frustrate analytical learners
    • − Immersion-only approach is not for everyone
    • − Interface and content feel less modern than newer apps
    From $12.00 /month
    Visit Rosetta Stone
  4. 4

    italki

    Best for teams

    A marketplace connecting learners with live human language tutors.

    8.1
    / 10

    Pros

    • + Live one-on-one practice with real human tutors
    • + Enormous range of languages and tutor price points
    • + Flexible pay-per-lesson booking with no fixed subscription

    Cons

    • − Costs add up and vary widely by tutor
    • − Requires scheduling lessons rather than self-paced study
    • − Quality depends on the individual tutor you choose
    Visit italki
  5. 5

    Busuu

    Best value

    A structured app pairing courses with feedback from a native-speaker community.

    7.5
    / 10

    Pros

    • + Native-speaker community corrects your exercises
    • + Affordable subscription with a usable free tier
    • + Structured courses aligned to recognised proficiency levels

    Cons

    • − Supports around 14 languages, a moderate range
    • − Community feedback quality varies by language
    • − Most features require a paid subscription
    From $6.00 /month
    Visit Busuu

Side-by-side

The Best Language Learning Apps — score by criterion for each product.
Product Teaching Effectiveness Language Range Value for Money Engagement Overall
Babbel 8.5 6.5 7.5 7.5 7.6
Duolingo 7.0 9.0 9.5 9.5 8.4
Rosetta Stone 7.0 7.5 7.0 6.0 7.0
italki 9.0 9.5 6.0 7.0 8.1
Busuu 7.5 6.5 8.5 7.5 7.5
How we scored this

Each app is scored from 0 to 10 on four weighted criteria: teaching effectiveness (weight 3), value for money (weight 2), language range (weight 2), and engagement (weight 1). Ranks are editorial judgement based on those weighted scores and are set independently of any affiliate or sponsorship payout. Tutor-marketplace pricing varies and is noted where a fixed price is unavailable.