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Jun 2026

Voice-first language learning: how Kotobia works

Most language apps are very good at getting you to recognize words and quietly bad at getting you to speak. You can tap the right answer for months and still freeze the first time a real person talks to you. We built Kotobia around that one problem. Here is how the pieces fit, and what is actually doing the work.

The hook: flashcards that aim at speaking

You start with spaced repetition, because you do need a stock of words before you can say anything. We use the same scheduling math as the best flashcard tools, so a few minutes a day keeps a lot of vocabulary alive. The difference is what the words are for. The deck is not the destination. It is the supply line for the part that follows.

The point of it: a voice tutor that knows your words

The center of the product is a tutor you talk to out loud. You speak, it understands you, it answers in the language, and it reads the reply back. What makes it more than a chatbot is that it can see the exact cards you are studying, so it builds the conversation out of words you are supposed to be practicing instead of random ones. When you slip, it works the correct version into its next sentence rather than stopping to mark you wrong. It asks questions you cannot answer with one word, so you end up doing most of the talking. That last part is the goal. The learner should be speaking far more than the tutor.

Worth being plain about how this runs under the hood. It is a pipeline: your speech becomes text, a language model writes the reply, and we turn that back into audio. It is not a human and it does not pretend to be. What it offers is patience and volume, which happen to be the two things solo learners are always short on.

Learning inside a story, not a syllabus

New words stick when they are attached to something. So the core course is a serialized story you move through, level by level, from absolute beginner up to advanced. You meet vocabulary because a character needs it, you see it again later, and you practice it in scenes you actually remember. There are short quizzes, and there is roleplay where you step into the scene and speak as one of the characters. It feels less like homework and more like following a show you have to talk your way through.

Your mistakes become the next lesson

When you speak, the tutor notices what you got wrong, and that does not just vanish. A mistake turns into a targeted drill aimed at exactly that error, so the thing you keep botching is the thing you practice next. The pattern you repeat, a gender you keep missing, a verb form that keeps coming out wrong, gets flagged and worked on directly. Most tools feed you a fixed curriculum. This one bends toward your specific weak spots.

Who it is for, and what it costs

It fits best if you already know some of a language but cannot speak it yet, or if you are starting fresh and want speaking to be the point from early on rather than a reward years later. You can begin for free with flashcards and the first story. Practicing with the tutor opens up on a free trial, and a Pro plan removes the limits. We price it low on purpose and would rather cut our own costs than raise yours.

If you want the specifics for one language, here is Kotobia for Spanish. Otherwise you can look at the plans and start talking today.