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Tandem vs Koydo
Tandem matches you with someone who wants to learn your native language; you take turns being teacher + student. It's free (or close to). Brilliant for conversation practice. Bad if you actually need someone to teach you — language exchange isn't pedagogy.
Decide whether you need a conversation partner or a teacher. Tandem matches you with a native speaker who wants to learn your language; you take turns teaching each other. It's free (Pro is $6.99/mo for extras), covers 300+ languages since anyone speaks something, and at B1+ it provides real-conversation hours — plus music, food, slang, and culture — that paid tutors can't match in volume. For budget-constrained learners and curious explorers, Tandem is a great entry point. But partners are native speakers, not teachers: they can't explain why a sentence is wrong, can't structure a curriculum, and half of every session is you teaching your own language. Koydo costs $10/mo for Solo Learner and gives you a professional tutor across 60 languages with a 9-month CEFR curriculum, where 100% of the time is your learning. Choose Tandem for free conversation practice and cultural exchange; choose Koydo when you need someone to actually teach you and structure progress past A2.
| Dimension | Koydo | Tandem |
|---|---|---|
| Format | Paid tutor + cohort | Free language exchange |
| Quality of instruction | Professional tutor + curriculum | Untrained native speaker |
| Curriculum | 9-month CEFR spine | Whatever you talk about |
| Languages | 56 | 300+ (anyone speaks anything) |
| Price | $10/mo Solo Learner | Free (Pro $6.99/mo for extras) |
| Best for | Structured progress | Conversation practice supplement |
Three real differences
Tandem partners are NATIVE speakers, not TEACHERS. They can correct obvious errors but can't explain WHY a sentence is wrong, can't structure a curriculum, can't help you progress past their own intuition about their language. Conversation practice is great; teaching is what tutors do.
Tandem is free. Koydo is $10/mo. For learners on tight budgets, Tandem is the entry point. For learners who need to actually progress past A2, paid tutoring usually wins on outcome per hour invested.
Every Tandem session is half YOUR teaching time (helping them learn your language). Half useful for them, half useful for you. Koydo lessons are 100% your learning time.
Where Tandem actually wins
We don't think Koydo wins every dimension — and we don't pretend otherwise.
Try it yourself
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