CourseVerdict

Preply Japanese (1-on-1 Online Tutors) vs Duolingo French Course

Same Bayesian formula, same rubric — so the difference in scores reflects the difference in the courses, not the difference in how we evaluated them.

Preply · Languages

Preply Japanese (1-on-1 Online Tutors)

3.7/ 5 · 30 opinions
18 positive6 neutral6 negative/ 30 total

Duolingo · Languages

Duolingo French Course

3.9/ 5 · 32 opinions
18 positive9 neutral5 negative/ 32 total

Per-criterion

Content quality3.2 / 5

The most-repeated structural criticism is that Preply has no standardised Japanese curriculum — lesson structure is entirely up to your individual tutor, so there is no guaranteed step-by-step path from hiragana through JLPT. Preply does bundle free extras (a companion app for kana practice and an AI conversation tutor, video courses, flashcards and blog resources), but the core lesson content is only as coherent as the tutor you happen to book. Independent reviewers are blunt that "a marketplace is an intermediary, not a school" — it gives access without direction.

Instructor / method4.3 / 5

This is Preply's strongest dimension and the most-praised theme across our sample. The platform lists 4,000+ Japanese tutors — the vast majority native speakers — and the aggregate rating sits at 4.98/5 across tens of thousands of verified student reviews. Learners repeatedly single out patience, encouragement and clear explanations of pronunciation, kana and grammar. The honest caveat every critical source raises is variance: because anyone can sign up to teach, quality "is a lucky dip," ranging from certified professionals with 8+ years' experience to university students earning side income, so the strong average hides real tutor-to-tutor spread.

Value for money3.5 / 5

Headline pricing looks very affordable — lessons start around $4 and average roughly $19-23 per hour, with tutors setting their own rates and a discounted trial to sample. But the cumulative cost is where opinions split: professional Japanese tutors charge $25-35 per 50-minute lesson, so two lessons a week runs $200-280 a month, and independent reviewers note materials, apps and certificates are not bundled. Whether it is "good value" depends heavily on whether you book a budget tutor or a premium one and how many trial lessons you burn finding a fit.

Support2.8 / 5

The weakest dimension and the one negative reviews cluster on hardest. Lesson-level support (free trial replacement, tutor-switching) is generally praised, but platform-level support around the subscription and credit system draws repeated complaints: a chat-first support flow described as slow and AI-driven, rigid refund conditions, unused balances auto-converting to non-refundable Preply Credits, and unexpected auto-renewals. Experiences are genuinely mixed — some reviewers call support responsive — but the volume of billing and refund complaints pulls this score down.

Real-world fluency4.4 / 5

The single best reason to use Preply for Japanese is live, one-on-one speaking time. Reviewers consistently say the format forces you to actually produce the language, ask questions the moment a grammar point won't stick, and get instant correction — the thing apps cannot replicate. Sessions stay interactive through role-plays and real-life scenarios, and one independent reviewer reported 60%+ of lesson time spent actually speaking. For building conversational confidence in Japanese, this interactive practice is exactly what learners credit with real-world progress.

Content quality3.9 / 5

The French course now extends to upper-intermediate (B2) following a December 2025 expansion, and recent updates added more conversational dialogues and grammar tips. Vocabulary coverage is broad and the Stories feature adds useful context. But grammar is taught primarily through implicit pattern-matching rather than explanation, and reviewers flag a high proportion of impractical sentences in early levels.

Instructor / method3.5 / 5

There is no instructor. The method is gamified implicit learning — learners recognise patterns through repetition rather than being taught rules. For French beginners who primarily need vocabulary and exposure, the method works; for learners who need to understand French syntax and grammar logic, the absence of explanation is the app's central pedagogical weakness.

Value for money4.7 / 5

The core course is genuinely free, making it the best zero-cost entry point to French learning available. Duolingo Super (~$7/month) removes ads and adds unlimited hearts; reviewers largely agree this subscription does not fix the structural gaps, so the free tier is where most of the value sits.

Retention & motivation4.3 / 5

The streak system, daily reminders, XP leagues and personalised characters make Duolingo the most habit-forming language app available. Multiple reviewers report using it every day for years. The gamification that some critics find shallow is the exact feature that keeps learners coming back when other apps do not.

Real-world fluency2.9 / 5

This is the course's most consistent weakness. Reviewers across multiple sources agree that Duolingo teaches recognition, not production. Learners can read and recognise French reasonably well but struggle to speak it. Pronunciation feedback accepts rough output; native speakers speak faster and more connected than the app ever models; and conversation practice is not a feature.

Scoring methodology applies identically to every course on the site — see the formula.