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Head-to-head comparisons

Each comparison puts two apps' published prices, languages and features side by side and then says which one fits which learner. There is never an overall winner, because there is never an overall learner.

Links to apps on this page are plain, untracked links to the vendor. This site is funded by affiliate links: if an app's programme is joined, its link will earn a commission at no cost to you and will be listed on the affiliate disclosure page. Commercial relationships never affect order or inclusion; tables sort by price. Affiliate disclosure and how the data is collected.

• Babbel vs Duolingo: which one fits you

  Babbel and Duolingo compared on published prices, free tiers, languages and features, then a verdict per kind of learner: casual daily practice, a real conversation goal, a tight budget, or a trip.

• Duolingo vs Rosetta Stone: a comparison from the price lists

  Duolingo vs Rosetta Stone compared on what each publishes: Rosetta Stone's $19.99 monthly and $159 yearly plans, its speech scoring, offline mode and tutoring, against Duolingo's free tier and in-app-only paid prices. Verdicts per learner.

• Busuu vs Duolingo: which fits you

  Busuu vs Duolingo on published prices and features: Busuu's Premium at $72.99 a year for one language with corrections from native speakers and offline mode, against Duolingo's free tier with in-app-only paid prices. Verdicts per learner.

• Memrise vs Duolingo: vocabulary app against course app

  Memrise vs Duolingo compared on what each publishes: Memrise's native-speaker video clips and spaced repetition at $24.99 a month or $61.99 a year against Duolingo's free course tier. Which learner each one suits.

• Babbel vs Rosetta Stone: two paid courses, two methods

  Babbel ($8.95 a month at annual) vs Rosetta Stone ($13.25 a month at annual) compared on published prices, method, speech recognition, offline mode, tutoring and refunds, with a verdict per learner.

• Preply vs italki: two tutor marketplaces compared

  Preply and italki compared on what each publishes: per-lesson pricing, trial-lesson terms and refunds, placement tests and language counts. Neither is an app with lessons; both sell time with a human tutor.

Want two apps that are not paired here? Open each app's page and compare the plan tables: every app with sources. Or put all 24 in one sortable table.