Preply Japanese (1-on-1 Online Tutors) vs italki Korean (1-on-1 Online Tutors)
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)
italki · Languages
italki Korean (1-on-1 Online Tutors)
Per-criterion
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.
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.
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.
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.
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.
The most-repeated structural criticism is that italki has no standardised Korean curriculum — what happens in a lesson is entirely up to the individual tutor you book, so there is no guaranteed step-by-step path from Hangul through TOPIK. Reviewers note you can request structured grammar, relaxed conversation, or test prep, but the coherence of that plan depends on the teacher. Better tutors take notes, send extra materials, and build a syllabus around you; community tutors often run unstructured conversation. The platform supplies free side resources (a notebook for corrections, language exchange, podcasts), but the core "content" is the tutor, not a designed course.
This is italki's strongest dimension and where the praise clusters. Korean tutor numbers have roughly doubled to nearly 600, the platform vets every teacher, and learners repeatedly report tutors who are punctual, well-prepared, take notes during lessons and send follow-up materials. The honest caveat every critical source raises is variance: quality is genuinely a "lucky dip" because anyone vetted can teach, ranging from certified professionals with thousands of lessons to university students earning side income. One blogger went through eight tutors before finding two they kept. The strong average hides real tutor-to-tutor spread.
Headline pricing is very affordable — Korean community tutors run roughly $5-16/hour and professional teachers $10-40+, with discounted 30-minute trial lessons around $5-8 to sample fit. Cumulative cost is where opinions split: two professional lessons a week can run $200+/month, native-from-US/UK/Australia tutors rarely offer the cheap trial, and reviewers flag processing fees that only appear after you pick a class. Whether it is "good value" depends heavily on whether you book a budget conversation partner or a premium certified teacher, and how many trials you burn finding a fit.
For a tutoring marketplace, the equivalent of "projects" is the practical output of each session — homework, the corrected notebook, follow-up materials, and structured TOPIK or conversation prep. Reviewers consistently say the best tutors send extra resources and notes that you would never get from a textbook, which makes lessons feel productive rather than a chat. But because there is no platform-mandated assignment system, the quality of this practical output is tutor-dependent: some run pure free-talk with no homework, others deliver a genuine personalised study plan.
The single best reason to use italki for Korean is live, one-on-one speaking time. Reviewers repeatedly say they speak far more per hour than in any group class, get instant correction the moment a grammar point or pronunciation won't stick, and practise with native speakers who are otherwise hard to find in everyday life. For building conversational confidence and TOPIK speaking readiness in Korean, this interactive practice is exactly what learners credit with real progress that apps and textbooks cannot replicate.
Scoring methodology applies identically to every course on the site — see the formula.