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The comparison most guides quietly skip
Every comparison of language learning apps ranks them from best to worst, then leaves you guessing which one is right for you. The four tools that matter in 2026 are Duolingo, Babbel, Anki, and Pimsleur. They use completely different methods, charge on completely different terms, and suit completely different people. This page organises by situation, not by rank.

As of October 2026.

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[icon:DOLLAR] Duolingo free tier | Full course content, all 40+ languages, forever free
[icon:DOLLAR] Duolingo Super | $13.99/month or $95.99/year (about $8/month)
[icon:DOLLAR] Babbel | No free tier. $17.95/month or $107.40/year ($8.95/month)
[icon:DOLLAR] Babbel Lifetime | $299.99 one-time, all 14 languages
[icon:DOLLAR] Anki | Free on Windows, Mac, Linux, Android. $24.99 one-time on iPhone
[icon:DOLLAR] Pimsleur Audio-Only | $14.95/month per language
[icon:DOLLAR] Pimsleur All Access | $20.95/month or $164.95/year, all 51 languages
[icon:CHART] Languages covered | Duolingo 40+, Pimsleur 51, Anki any, Babbel 14 only
[icon:BOLT] Method | Duolingo gamified, Babbel structured, Anki flashcards, Pimsleur audio

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Duolingo: the habit-builder
Duolingo is the right starting point for anyone who wants to begin at zero cost and stay consistent. Its streak system, short lessons, and notifications are engineered around one problem: most people who try to learn a language stop within a week. Duolingo solves the dropout problem better than any tool here.

The trade-off is depth. Duolingo teaches by pattern recognition rather than grammar explanation. After 200 lessons you can read a menu and catch a taxi. You cannot hold a real conversation. The free tier covers all course content for 40+ languages. Super ($13.99/month or $8/month annual) removes ads and adds offline access.

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https://duolingo.com
Duolingo: free tier, Super and Max pricing, all 40+ languages

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Babbel: the structured course
Babbel is for motivated adults who want to understand the grammar, not just pattern-match their way through it. Each lesson is 10 to 15 minutes, built around a real scenario: booking a hotel, navigating a dispute with a landlord. The grammar is explained in plain language. Most learners reach A2 to B1 conversational ability within three to six months of consistent daily use.

The limits are real. Babbel covers only 14 languages. Korean, Japanese, Arabic, and Chinese are not available. At $8.95/month annual it costs about the same as Duolingo Super. The $299.99 lifetime plan suits learners who plan to continue past B1. The $15.25/month three-month plan is a sensible way to test the method first.

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https://babbel.com
Babbel: pricing, 14-language list, and free first lesson

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Anki: the vocabulary engine
Anki is not a language course. It is a flashcard program built on spaced repetition: each card reappears shortly before you would forget it, which is more efficient than rereading a list. It teaches nothing by itself. You supply the cards, or download a community deck from AnkiWeb, which hosts large vocabulary lists for Japanese, Mandarin, Russian, Arabic, and most major languages.

The practical role of Anki is retention. You learn a word in Babbel or a class, add it to Anki, and the card reappears on day 2, day 5, day 14. Anki is free on desktop and Android. The iPhone app costs $24.99 as a one-time purchase (not a subscription).

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https://apps.ankiweb.net
Anki: free desktop and Android app, AnkiWeb deck sharing

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Pimsleur: the speaking method
Pimsleur is built on one premise: you learn to speak by speaking. Each lesson is 30 minutes of audio. A narrator introduces a phrase, a native speaker says it, and you are prompted to repeat it and produce a variation before the answer arrives. There is no screen, no tapping. The method trains your mouth and ear simultaneously and fits a commute, a walk, or doing the dishes.

The $14.95/month Audio-Only plan is per language, so adding a second language means paying again. The All Access plan at $20.95/month or $164.95/year covers all 51 languages, which is the smarter purchase for most learners. A 7-day free trial is available on every plan.

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https://pimsleur.com
Pimsleur: All Access plan pricing, 7-day trial, 51 languages

:STATS
[icon:CHECK] Zero budget, want to start today | Duolingo free tier
[icon:CHECK] Want grammar explained, not patterns | Babbel ($8.95/month annual)
[icon:CHECK] Learn during a commute, eyes-free | Pimsleur All Access ($20.95/month)
[icon:CHECK] Already studying, want words to stick | Anki (free on desktop and Android)
[icon:CHECK] Korean, Japanese, Arabic or Chinese | Pimsleur or Anki (Babbel lacks these)
[icon:CHECK] Reach B1 in six months | Babbel plus Anki flashcards for vocabulary
[icon:CHECK] One language long-term | Babbel Lifetime ($299.99, single purchase)
[icon:CHECK] iPhone learner using Anki | $24.99 one-time, no subscription needed
[icon:CHECK] Supplement a formal class | Anki for vocabulary, Pimsleur for speaking

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The most effective method uses more than one app
Every fluency study points to the same conclusion: no app alone produces a fluent speaker. The highest-leverage move, regardless of which tool you start with, is adding real conversation as early as possible. Italki, Tandem, and HelloTalk connect you with native speakers for practice at low or zero cost.