AI Briefing
KO

Codeway

·2026.04.10 14:58

Key point

Codeway adopted ElevenLabs' TTS technology, increasing Learna's user conversion rate by 9%.

Details

Global consumer app company Codeway has over 500 million users and operates Learna, an AI-powered English learning app. Learna provides an interactive experience where users learn English by having real-time conversations with an AI tutor.

For a more natural conversational experience, Codeway integrated ElevenLabs' Text to Speech (TTS) technology. This allows users to experience a vivid, emotionally rich voice that feels like talking to an actual tutor, rather than a scripted system.

A/B testing conducted after adopting ElevenLabs achieved the following business results:

  • User trial conversion rate increased by 9%
  • Customer lifetime value (LTV) increased by 11%

Codeway stated that it was able to complete the technical integration quickly thanks to ElevenLabs' clean and well-structured SDK and documentation. This collaboration demonstrated that natural, emotional AI voices directly impact not only the learning experience but also business outcomes.

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