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EdTech · Language-Learning Messenger

Chatlator — learn a language through everyday conversations

A messenger that turns real chats into language practice: message friends as usual and every message is auto-translated into the language you're learning, with an AI tutor guiding you to fluency.

iOSLive on the App Store
Auto-TranslateEvery Message
AI TutorChati
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Chatlator turns everyday conversations into language practice. Users choose their native language and the language they want to learn, invite a friend, and start chatting — each message is automatically translated into the recipient's learning language. A built-in AI tutor, “Chati”, adapts to the user's level with hints, corrections, and encouragement. No flashcards, no drills — just real conversations in the language you want to speak.

Product screens

A look inside

Key Results Achieved

Language practice hidden inside real conversations

Chat normally; learn continuously — with an AI tutor along the way.

In-ChatAuto-translation
AI TutorPersonalized guidance
iOSLive on the App Store
The approach

Challenge & solution

The challenge

Traditional language apps rely on flashcards and drills that people abandon. Real fluency comes from conversation — but most learners have no low-friction way to practice with the people they already talk to.

Business challenges

  • Make practice feel like messaging, not studying
  • Lower the friction of daily language practice
  • Support many language pairs from day one
  • Ship a polished, store-ready iOS app

Technical challenges

  • Auto-translate each message into the recipient's learning language
  • Support a wide set of native and learning language pairs
  • Provide an adaptive in-chat AI tutor
  • Keep real-time messaging smooth

Our solution

Chatlator embeds translation and an AI tutor directly into a messaging experience: pick your languages, invite a friend, and chat — every message lands in the reader's learning language, with “Chati” offering hints and corrections.

Core features delivered

  • Learning-language selectionUsers choose their native language and the language they want to learn from a wide list.
  • Auto-translated chatEvery message a friend sends arrives in the language you're learning — and vice versa.
  • AI tutor (Chati)A personalized AI tutor adapts to the user's level with hints, tips, and corrections toward fluency.
  • Real conversationsPractice is embedded in normal messaging with friends — no drills or flashcards.
  • Familiar messenger UXA conversation list, onboarding, and invites make the learning flow feel like any chat app.
Under the hood

Architecture & technical build

Chatlator is a messaging app with a translation and AI-tutoring layer woven into the chat flow, built store-ready for iOS.

Architecture overview

  • Real-time messaging with per-recipient translation
  • Native/learning language pairing per user
  • AI tutor integrated into the conversation
  • Onboarding that sets language goals up front

Key technical components

Translation layerEach message is translated into the recipient's learning language in-flow.
AI tutor engine“Chati” provides adaptive hints, corrections, and encouragement.
Messaging coreConversation list, real-time chat, and friend invites.
OnboardingLanguage-pair selection that drives the whole experience.

Tech stack

iOS (Mobile App)OpenAIReal-Time MessagingIn-Chat TranslationAI Language Tutor
Outcomes

Results & impact

Early outcomes

  • Live on the App Store as a language-learning messenger
  • Practice embedded in real conversations with friends
  • AI tutor guides learners toward fluency

Business impact

  • A differentiated take on language learning built around conversation
  • Network effects — learning happens with friends
  • Room to expand language pairs and tutor depth
More work

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The last step

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3-week launch · Fixed pricing · Senior team