Stay in the conversation
Talk to Yuki in a voice-first loop designed around natural pauses, repair, and momentum.
RenbiVoice-first Japanese immersion
Speak Japanese before your brain can rehearse it.
Renbi gives intermediate immersion learners a calm voice partner, a persistent character, and post-conversation feedback that keeps the flow intact.
Understand native content.
Stop freezing at the first reply.
Review feedback after the conversation.
Built for the plateau
The missing bridge between input and output.
Most language tools are built for beginners. Renbi is built for the gap immersion learners actually hit: the one between following a TV show and ordering coffee without rehearsing the sentence three times first.
Feedback waits its turn
Corrections arrive after the session, so your attention stays on meaning while you speak.
Practice compounds
A persistent character and transcript history turn each call into material for the next one.
Get updates & launch discounts
We are currently in private sandbox mode. Join our early access mailing list to receive launch notifications and an exclusive discount.