Speak without pressure
Practice real conversations with a patient partner that adapts to your level and lets you try again.
KokoBuilt for iPhone. Built for privacy.
Koko is a fully local language learning app for listening and conversation practice. No cloud. No connection. Just you, speaking with confidence.
YOUR VOICE
YOUR IPHONE
NOWHERE ELSE
A better way to practice
The fastest way to get comfortable speaking is to speak. Koko gives you a judgment-free place to practice, even when there is no Wi-Fi.
Practice real conversations with a patient partner that adapts to your level and lets you try again.
Hear natural speech, replay tricky phrases, and build confidence understanding the language as it is spoken.
Follow speaking time, vocabulary, consistency, and level progress without creating a cloud profile.
Offline means offline
Koko's speech recognition, conversation intelligence, and natural voice run locally on your iPhone. Your recordings, words, and progress never need to leave your device.
LOCAL FIRST Your language practice belongs to you.
Inside Koko
One calm place to start a conversation, listen closely, and notice how far you have come.

Choose what you speak and what you want to practice.

Hold to speak. Koko listens, responds, and keeps the conversation moving.

Pick a topic, surprise yourself, or jump into a real-world situation.

Compare recordings and see your speaking habits grow over time.
How it works
Pick a topic, situation, or let Koko surprise you.
Talk at your pace. Koko listens and responds on-device.
Review useful words, speaking time, and past recordings.
Your next conversation is ready
Private, fully local listening and speaking practice.
Made for iPhone.