Kotrin vs Univerbal

Kotrin is an AI-powered app for learning Japanese, with connected practice in speaking, listening, reading, and writing aligned to JLPT levels. Its lesson library advertises more than 5,000 lessons for beginner through advanced learners. Practice includes everyday exchanges set in places such as shops and cafés, as well as AI role plays with back-and-forth responses. Lessons cover hiragana through Jōyō kanji, including stroke-order and recognition practice. Kotrin builds a language profile across 1,536 dimensions and adapts difficulty, focus, and scenarios to progress. Its AI-powered content system can create personalized Japanese lessons from a word or idea. The app is listed for iOS, Android, macOS, and Windows, but is currently available only in English. The free plan includes selected lessons, personalized learning, quizzes, and vocabulary practice, subject to daily practice limits. Pro is listed at $10 a month or $90 a year, both tax excluded, and another Pro listing is ¥1,650 a month. Subscriptions renew automatically unless cancelled; monthly and yearly purchases are non-refundable under the stated terms.

Univerbal is an AI language tutor for practicing conversations in more than 20 languages, with feedback during practice. Learners can choose a scenario or make their own, then speak naturally or type. The tutor suggests a clearer version of what the learner meant, briefly explains it, and saves mistakes for later practice. It tracks strengths and hesitation and adapts exercises to the learner’s level and pace. The Monthly, Quarterly, and Yearly Passes include unlimited conversations, vocabulary exercises, and grammar exercises; each lists a seven-day free trial, but no prices are shown. Plans for two and five people are also offered with a free trial. For institutions and businesses, Univerbal provides personalized training with adaptable study plans, speaking practice, CEFR-aligned paths, and administrative insights and reporting. Organizations can try the service with one class or team without commitment or a long-term contract. The service is available on Android, iOS, and the web. Univerbal GmbH is based in Zurich, Switzerland. Its privacy policy says speech is transcribed and sent to its servers, but audio files are not created or stored; conversation transcripts and related data are kept for six months before deletion.