Best for
- Duolingo users ready for longer input or live use
- Learners whose exact course lacks sufficient depth
- Buyers deciding whether a paid specialist tool earns a distinct job
Watch for
- Duolingo course depth differs by language
- Leaving a free core can introduce annual commitment
- Replacing a streak without replacing its schedule can reduce consistency
Documented shortlist
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Babbel
DocumentedA structured lesson platform with short dialogues, grammar explanations, speaking practice and review.
Best fit: Learners who want a guided course rather than an open content library
Watch: Course depth is not equal across languages
Busuu
DocumentedA structured course platform with short lessons, study plans and corrections from a learner community.
Best fit: Learners who want a CEFR-oriented course sequence
Watch: Language coverage and level ceilings differ
LingQ
DocumentedA self-directed reading and listening environment built around authentic content, saved words and imported material.
Best fit: Learners who want large amounts of reading and listening input
Watch: The open library is not a mandatory linear course
LingoPie
DocumentedA video-first platform using shows, films and short-form media with interactive subtitles and playback tools.
Best fit: Visual learners who stay engaged with series and films
Watch: It is not a conventional linear CEFR course
Pimsleur
DocumentedAn audio-first programme centred on recall, speaking and listening in roughly 30-minute lessons.
Best fit: Audio learners and commuters
Watch: Reading and writing are secondary to audio
italki
DocumentedA marketplace for one-to-one lessons with independent professional teachers and community tutors.
Best fit: Personalised conversation and feedback
Watch: Choosing a tutor requires comparison work
Preply
DocumentedA one-to-one tutor marketplace built around a paid trial lesson and recurring 28-day lesson subscriptions.
Best fit: Learners who want a regular one-to-one teacher
Watch: Unused unscheduled lesson balance can be affected at renewal
Side-by-side evidence
Facts below were checked against vendor sources on Sep 3, 2026. Regional offers may change.
| Criterion | Babbel | Busuu | LingQ | LingoPie | Pimsleur | italki | Preply |
|---|---|---|---|---|---|---|---|
| Learning format | structure, speaking, listening, vocabulary | structure, speaking, listening, vocabulary | reading, listening, vocabulary, structure | video, listening, vocabulary, reading | listening, speaking, structure | tutoring, speaking, structure, listening | tutoring, speaking, structure, listening |
| Languages | 13 target languages from English; course depth differs substantially by language | 14 languages; the published course ceiling ranges from A2 to C1 | More than 50 languages; the verified selector contained 52 | 17 published target languages; catalogue availability can vary by interface language and region | 51 languages; the number of levels varies by language | 150+ languages are advertised across the tutor marketplace | The current public catalogue exposed 40 named language categories |
| Level context | From beginner upward; the published ceiling ranges from A1 to C1 depending on language | Strongest where the chosen language has a complete A1–C1 path | All levels are marketed; the open content model is often easiest after the earliest beginner stage | Personalised level selection, without a published universal CEFR pathway | Beginner through intermediate in the deepest courses; no universal CEFR equivalence is published | Potentially A1–C2, depending on the selected tutor and lesson goal | Beginner through advanced, depending on tutor specialism |
| Access model | Free sample | Permanent free tier | Permanent free tier | Time-limited trial | Time-limited trial | Paid access | Paid access |
| Free access / trial | Registration and the first lesson of each course are free; no universal timed trial was confirmed | Basic course access, community feedback and basic progress tracking | Free account with audio and transcripts, up to 20 saved terms, five imported lessons and one playlist | Seven-day direct-purchase trial; mobile stores and previews follow different rules | Seven-day trial for eligible subscriptions, converting to paid access unless cancelled | Community features are free; live lessons are paid and trial lessons are discounted, not free | No free live plan; the 25- or 50-minute trial lesson is paid |
| Pricing context | No stable universal public number; price varies by location, term, promotion and direct, Apple, Google or partner purchase channel | Current numeric pricing was not reliably exposed in public vendor HTML; verify at checkout | Geo-localized checkout showed CHF 13.50 monthly, CHF 107 annually or CHF 189.90 for 24 months; locale and channel can change the amount | The main checkout is dynamic; one official variant showed $83.88 annually or $229 lifetime, so the live regional offer must be rechecked | All Access was listed at $20.95 per month after the free week | Tutors set their own rates; there is no universal subscription price | Tutor-set and localized pricing; each tutor has a separate minimum four-lesson subscription cycle |
| Billing / renewal context | Cancel through the original purchase channel before its stated renewal deadline; regional withdrawal and refund rights differ | One- to 12-month terms are paid upfront and auto-renew; the first Premium payment has a published 14-day guarantee, excluding renewals | Recurring prepaid plans; first-time Premium purchases have a published 30-day refund window, while later charges are generally non-refundable | The seven-day trial auto-renews; current-month and post-trial annual charges are described as non-refundable | Single-language, All Access and lifetime options vary; direct subscription availability is limited by country and store terms can differ | Availability, price, schedule and lesson structure depend on the tutor | Tutor-specific subscriptions renew every 28 days; cancel at least 24 hours before billing and review current lesson-expiry rules |
| Platforms | Web, iOS and Android with synced progress | Web, iOS and Android; offline access requires Premium | Web, iOS and Android; offline access is a Premium feature | Web, iOS, Android and selected TV platforms; iOS supports limited offline downloads | Web, iOS and Android with hands-free and offline app use | Web, iOS and Android with video-classroom options | Web and mobile apps |
If you want a different structured path
Choose Babbel when compact dialogues and explicit explanations are the priority. Choose Busuu when the exact language's CEFR-oriented route and community corrections better fit the plan.
Check course depth before switching. Duolingo has published B2-aligned content for most learners in nine major languages, while both Babbel and Busuu publish language-dependent ceilings. None of those labels guarantees a personal outcome.
If short exercises do not transfer to longer input
Choose LingQ when articles, stories, podcasts and personal imports should train sustained reading and listening. Choose LingoPie when scenes, natural speech and interactive subtitles create the stronger comprehension bridge.
Start with material whose main situation remains understandable. Moving from short prompts to opaque native content is not a useful upgrade merely because it feels advanced.
If speaking needs a protected job
Choose Pimsleur when regular prompted recall aloud and a screen-free block fit the schedule. Choose italki or Preply when spontaneous turns, accountability and responsive correction are the actual gap.
Do not equate microphone exercises with conversation. Decide whether the missing action is pronunciation modelling, retrieval under time pressure or responding to another person.
If ads, limits or paid features drive the decision
Duolingo's core course remains a genuine free route, while specialist alternatives use samples, trials, guarantees or paid tutor sessions. Compare access models directly instead of assuming a paid app removes every friction.
Record the charge, renewal interval and cancellation channel before leaving a free routine. A paid product must create a distinct learning advantage, not only a quieter interface.
Preserve the cue, replace the task
Keep the same time and place that supported the Duolingo habit, but substitute one defined task for two weeks: a supported article, a video retell, a complete audio lesson or a tutor-preparation block.
Stay with Duolingo when the exact course still challenges the target skill and completion transfers beyond the app. Switch or combine only when the new task produces observable value without destroying consistency.
Decision criteria
Primary sources
Material claims link to primary or authoritative sources. A link is not an endorsement.
- Duolingo — official course catalogue
- Duolingo — published B2 content update
- Duolingo — Max availability
- LingQ — how the platform works
- Babbel: Languages and levels
- Babbel: Course structure
- Babbel: Official pricing
- Busuu: Languages and levels
- Busuu: Free and Premium
- Busuu: Premium plans
- LingQ: Official pricing
- LingQ: How LingQ works
- LingQ: Subscription terms
- LingoPie: Supported languages
- LingoPie: Trial terms
- LingoPie: Official pricing
- Pimsleur: Languages
- Pimsleur: Plans and trial
- Pimsleur: Official offer
- italki: Official iOS listing
- italki: Official Android listing
- Preply: Official Spanish tutor listings
- Preply: Trial lesson policy
- Preply: Subscription model