Tandem vs HelloTalk

Tandem vs HelloTalk comes down to a simple trade: HelloTalk gives you a bigger crowd and built-in correction tools, while Tandem gives you a smaller, more conversation-focused community with cleaner calling. Both are free language exchange apps where you trade your native language for someone else's, and both work well, but they solve slightly different problems. If your goal is to actually speak with confidence rather than just message back and forth, you will also want a way to practice before you show up to a live call, which is where a tool like Comigo fits in.

What each app actually does

Both apps connect you with native speakers who want to learn your language while you learn theirs. It is a swap, not a classroom: you correct their English, they correct your Portuguese, and everyone benefits. HelloTalk has grown into the larger of the two, with more than 70 million registered users across 200-plus countries and over 260 languages, according to its own site. That scale means you will almost always find a partner online, even for less common language pairs.

Tandem is smaller but pitches itself as more focused on genuine exchange over volume. Its site talks about "millions" of partners and highlights that every application gets reviewed before someone joins, which is meant to filter out people who are just there to chat rather than learn. Several long-time users report that Tandem partners reply more consistently and stick around longer in a conversation, while HelloTalk chats can go quiet within hours. Neither claim is universal, results depend heavily on the language pair and time zone you are working with.

Correction tools and learning features

This is where HelloTalk pulls ahead on paper. Every message can be marked up inline with corrections, there is a built-in translator, transliteration for non-Latin scripts, and a "Voiceroom" feature for group audio discussions on set topics. It feels closer to a language-learning social network than a plain messaging app.

Tandem's tools are lighter. You get correction and translation features baked into chat, plus text, voice notes, and audio or video calls, but the extras (Voicerooms, Moments-style posts) are not as developed. What Tandem does well is make actual conversation, especially calls, feel like the main event rather than a side option. If your priority is unscripted speaking practice with a real person, that focus can matter more than a longer feature list.

Neither app, though, teaches you the words and grammar you need before that conversation starts. That gap is exactly what Comigo is built for: it teaches English and Brazilian Portuguese as a "speak-first" app. Capy, the capybara companion, talks to you in a spoken conversation, you answer out loud into the mic, and you get instant per-word green and red feedback on what you said. There is also Free Speak, a real-time voice conversation with Capy on any topic, with live captions, so you can rehearse the kind of small talk a language exchange partner will actually throw at you.

Free vs paid tiers

Prices above are approximate for 2026 and pulled from each app's own pricing pages and recent reviews; both apps run discounts often, so treat these as a ballpark rather than gospel. HelloTalk is the cheaper subscription of the two and its free tier is usable long-term. Tandem's Pro plan costs more, but the jump mostly removes daily message and translation limits rather than adding a wholly new feature set.

Safety and moderation

Both apps review new accounts to some degree, and both let you block, report, or restrict who can message you. That said, complaints about both platforms sound similar: some users treat the apps more like dating apps than language exchanges, and moderation can lag behind the volume of new sign-ups. A few practical habits help regardless of which app you choose. Start in public group chats or Voicerooms before moving to one-on-one calls, be cautious about sharing personal contact details early, and report anyone who steers every conversation away from the language you are there to practice.

Since both apps put you in direct contact with strangers, it is worth building basic conversational comfort somewhere lower-stakes first. Comigo's arcade of language mini games, including the flagship Capy Crossing, plus streaks and a weekly podium with friends, gives you a private space to fumble through mistakes without an audience before you take that vocabulary into a live exchange.

Community feeds and group practice

One-on-one messaging is only half of what these apps offer. Both HelloTalk and Tandem also give you ways to practice with a wider audience instead of waiting on a single partner to reply, and the two approaches are different enough to matter if daily writing practice is part of your routine.

HelloTalk's answer is Moments, a public feed where you post short text, photos, or voice clips in the language you are learning. Native speakers scroll past and leave inline corrections, likes, and comments, the same way they would fix a typo in a group chat, except your "typo" is a whole sentence and the audience is anyone using the app. It works well as a low-pressure writing habit: post a few sentences about your day, come back later to see what got marked up in red. The free tier limits how many Moments you can post and correct each day, VIP removes that cap.

Tandem takes a different route with Groups (formerly called Communities), topic-based chat rooms where multiple learners talk about a shared interest, from football to K-pop to a specific city. It is closer to a group chat than a public feed: there is no correction markup built into Groups the way there is in one-on-one Tandem chats, so it functions more as extra exposure to new people than a structured writing exercise.

If writing practice with public correction is what you are after, HelloTalk's Moments feed is the more purpose-built tool. If you would rather browse people who share your hobbies before starting a private chat, Tandem's Groups do that job better. Neither replaces the spoken practice a live call demands, which is where warming up with Comigo before you post or join a call still pays off.

Which one should you pick

If you want the biggest pool of partners and don't mind a slightly busier interface, HelloTalk's scale and correction tools make it the safer first pick, especially for less common languages. If you want fewer but more committed conversation partners and prefer calls over endless text threads, Tandem tends to deliver a calmer experience, at a higher subscription price if you want the ad-free version. Many learners simply run both for a few weeks and see which community responds better for their specific language pair.

Whichever app you choose, exchanges reward people who show up able to speak, not just type. Building that base with a structured tool like Comigo, or comparing it against other options on our language learning tools and language app reviews pages, makes the jump into a live exchange with a stranger far less nerve-wracking. If you are also weighing structured courses against tutors, our comparisons of italki vs Preply and Busuu vs Duolingo cover that ground, and our Busuu review digs into another app with built-in corrections similar to HelloTalk's.

Comigo does not replace a language exchange partner, and it is not trying to. Think of it as the practice you do before the call: Comigo gets your pronunciation, vocabulary, and courage ready, so that when a HelloTalk or Tandem partner asks "how was your week," you already know how to answer out loud.