Duolingo vs Babbel vs Rosetta Stone (2026)

By devlingo 6 min read

Last verified: September 20, 2026. Prices, ratings and features come from each company’s own pages, blog, terms and help center, the US App Store listings and Trustpilot. Confirm the price for your country at checkout.

Choose Duolingo for a free start, 40+ languages and a daily habit. Choose Babbel for a structured, paid, level-by-level course in one of its 14 languages, at about $107 a year. Choose Rosetta Stone for translation-free immersion across 25 languages at $159 a year. Babbel has by far the strongest Trustpilot record of the three, and only Duolingo has a permanent free tier. None of them will make you fluent on its own.

The three apps side by side

DuolingoBabbelRosetta Stone
Best forA free daily habitA structured paid courseImmersion without translations
Cost to startFree, with ads and an Energy limitFirst lesson of each course freeOne-time 7-day trial
Paid price (US)Super about $96 to $120 a year; Max about $168, if still offeredAbout $107 for 12 months, all languages$159 a year, or $19.99 a month
Languages40+1425
How it teachesShort, game-like lessonsShort dialogue-based lessons with grammar explanationsEverything in the target language, no translations
Highest levelCEFR B2 in nine coursesBy language, up to B2 or C1 in severalNot published on consumer pages
Speaking practiceSpeaking exercises; AI Video Call and Roleplay with MaxSpeech recognition; Babbel Speak (AI, beta)TruAccent feedback; Chat Missions; paid tutoring add-on
TrustpilotAbout 1.6 from about 8,100 reviews4.4 from 33,060 reviews2.0 from 6,972 reviews
US App Store rating4.7 from 5.5 million4.7 from 754,000Sapphire 4.6 from about 1,700

Which should you choose?

Your goalBest pickWhy
Start without payingDuolingoThe only one with a permanent free tier
A structured course with grammar explanationsBabbelLevel-based lessons with explanations and speech recognition
Learn with no translationsRosetta StoneIts method is immersion without translations
Japanese, Korean or ChineseDuolingo or Rosetta StoneBabbel does not teach them
The lowest paid priceDuolingo Super or BabbelSuper is about $96 to $120 a year; Babbel is about $107 for 12 months
The strongest review recordBabbelTrustpilot 4.4 from 33,060 reviews
Pronunciation feedback in lessonsBabbel or Rosetta StoneSpeech recognition or TruAccent in the lessons

The head-to-head comparisons

Each pair has its own detailed page:

And each app has its own review: Duolingo evidence review, Babbel review and Rosetta Stone review.

What none of the three does

All three are self-study apps, so none replaces conversation with a person. Babbel Live, Babbel’s live-class offering for individual learners, has been discontinued, and Rosetta Stone’s live tutoring is a paid add-on. If speaking is your main goal, add a tutor or class service such as Preply or Lingoda, or an AI speaking app. Our best language learning apps guide compares all of these options.

Frequently Asked Questions

Which is best, Duolingo, Babbel or Rosetta Stone?

It depends on your goal. Duolingo is best for a free start and 40+ languages, Babbel for a structured paid course in one of 14 languages, and Rosetta Stone for translation-free immersion in 25 languages. Babbel has the strongest review record, and only Duolingo has a permanent free tier.

Which is best for beginners?

All three are built for beginners. Duolingo lets you start free, Babbel’s first lesson of each course is free to try, and Rosetta Stone has a one-time 7-day trial. If you prefer grammar explained, Babbel suits beginners well. If you like to infer rules, try Rosetta Stone’s trial.

Which is the cheapest?

Duolingo is the cheapest to start, because it is free, and Super costs about $96 to $120 a year, close to Babbel’s $107 a year with all languages. Rosetta Stone is $159 a year or $19.99 a month. Duolingo Max, at about $168 a year while it is offered, costs more than any of them.

Which has the most languages?

Duolingo has the most, with 40+ languages. Rosetta Stone has 25 in one subscription and Babbel has 14. Only Duolingo and Rosetta Stone teach Japanese, Korean and Chinese. Babbel covers mainly European languages.

Which is best for speaking?

None replaces a conversation partner. Rosetta Stone builds TruAccent pronunciation feedback into nearly every lesson, Babbel has speech recognition and an AI partner in beta, and Duolingo has speaking exercises plus AI Video Call and Roleplay in Max. Add a tutor or exchange partner for real conversation.

Which has the best reviews?

Babbel, with 4.4 out of 5 on Trustpilot from 33,060 reviews. Duolingo’s Trustpilot score is about 1.6 and Rosetta Stone’s is 2.0, mostly from billing and support complaints and older reviews about lifetime plans. All three have good App Store ratings from active users.

Which is best for grammar?

Babbel explains grammar in simple terms alongside dialogues. Duolingo offers free Explain My Answer feedback in its supported courses, and Rosetta Stone teaches grammar in context without translations or explicit rules. Choose Babbel if you want rules explained.

Can you become fluent with any of them?

Not on their own. Each can build a foundation, and Duolingo says nine courses now reach B2, but fluency needs lots of real listening and speaking with people. Use an app for structure and habit, and add conversation practice and real content.

Sources and how this was researched

This comparison uses information published by each company and by app stores and rating sites as of September 20, 2026. It does not claim first-hand testing. See the sources listed in our individual comparisons and reviews: