Now available on iOS

Learn languages by chatting with AI characters

Practice languages naturally with AI companions that remember your conversations, understand your personality, and form meaningful bonds over time. No flashcards. No drills. Just real conversations.

Join thousands of language learners

❄️

Yuki

Kuudere • Japanese

🌸
Built for iOS
Privacy-first
Daily practice
Personalized

How it works

Three steps to fluency

Learning a language should feel natural, not forced. Here's how Bifrost makes it happen.

Step 01

Choose your companion

Browse through AI characters with unique personalities. From calm and reserved to warm and playful, find someone who matches your learning style.

Learn more
Step 02

Start chatting

Practice your target language through natural conversations. The AI adapts to your level and remembers everything you discuss.

Learn more
Step 03

Grow together

As you chat more, your bond deepens. Unlock special responses, deeper conversations, and watch your fluency bloom.

Learn more

Features

Everything you need to succeed

Designed with care to make language learning feel natural, engaging, and deeply personal.

Unique personalities

Every character has a distinct personality archetype, making conversations feel authentic and engaging.

Perfect memory

Characters remember your conversations, preferences, and progress, creating a continuous experience.

Multi-language

Practice English, German, Spanish, Japanese, French, and more. Each character adapts seamlessly.

Gentle corrections

Get helpful feedback on mistakes without breaking the flow. Toggle correction frequency as you like.

Natural progress

Learn through dialogue, not drills. Meaningful conversations that build real fluency over time.

Bond system

Build relationships over time. Stronger bonds unlock deeper conversations and special content.

Languages

Speak the world's languages

Choose from our supported languages and start your journey to fluency through natural conversation.

🇬🇧

English

Master conversational English with natural dialogue and cultural context.

Business EnglishCasual TalksIdioms
🇯🇵

日本語

ひらがな、カタカナ、漢字で日本語を学びましょう。

かな漢字敬語
🇪🇸

Español

Practica español con diálogo auténtico y expresiones.

🇩🇪

Deutsch

Entwickeln Sie Deutschkenntnisse durch Gespräche.

🇫🇷

Français

Développez vos compétences avec accent et usage.

More languages coming soon based on community feedback

Characters

Meet your companions

Every character brings a unique personality to your learning journey. Find the one that resonates with you.

👋
Active

Daily Conversation

Casual and friendly for everyday practice.

FriendlyNaturalRelatable
💼
Active

Business Settings

Professional conversations for work environments.

ProfessionalFormalPolished
❄️
Active

Kuudere

Cool and reserved, but warms up over time.

CalmReservedLoyal
💢
Active

Tsundere

Starts off cold, but shows their caring side.

FeistyCaringPlayful
❤️‍🔥
Active

Yandere

Intensely devoted with a passionate personality.

PassionateDedicatedIntense
🌸
Active

Dandere

Quiet and shy, opens up in comfortable settings.

ShyGentleThoughtful
👑
Active

Himedere

Elegant and refined with a regal demeanor.

ElegantConfidentSophisticated
Active

Deredere

Sweet and affectionate from the very start.

KindWarmSupportive
🌟
Active

Cheerleader

Energetic and endlessly positive, always rooting for you.

EnergeticPositiveSupportive
📚
Active

Scholar

Curious and thoughtful, loves exploring ideas together.

CuriousThoughtfulSmart
😄
Active

Jester

Playful and witty, brings levity with jokes.

PlayfulWittyFunny
🧘
Active

Sage

Calm and reflective, offers wisdom and perspective.

CalmWiseReflective

Coming Soon

Many more character types are on the way!

More PersonalitiesNew Contexts
Available Now

Begin your journey

Download Bifrost and experience language learning that feels like magic. Your AI companions are waiting.

Version 1.0 • iOS 16.0+

FAQ

Common questions

Everything you need to know about Bifrost and how it can help you learn languages naturally.

Still have questions? Get in touch