Koko: Language Practice
Private, offline conversations
About
Practice speaking a new language privately and offline. This app scales conversations to your skill level, offering feedback and quick translations. It keeps all your data on your device, ensuring complete privacy.
What's New in Koko
1.4.0
August 18, 2026
Added Vietnamese, bug fixes.
Subscription plans
Koko Monthly Plan
Unlimited access to conversation practice in Koko
FAQ
How does Koko help me learn a language?
Koko provides unlimited conversation practice, allowing you to speak and listen more. It offers feedback on your responses to help you improve your speaking ability and includes quick translations.
Is Koko truly private and offline?
Yes, Koko is designed for complete privacy. Your voice and conversation data never leave your device, and it can be used in Airplane mode for uninterrupted practice.
What languages does Koko support?
Koko currently supports English, Spanish, French, Italian, German, Japanese, Polish, and Vietnamese. More languages may be added in future updates.
What are the system requirements for Koko?
Koko requires an iPhone 12 or newer and iOS 26+ to run its conversation models on your device. It also needs approximately 3.4GB of storage space for the language models.
What are the subscription options for Koko?
Koko offers a monthly subscription plan for $7.99 and a yearly plan for $39.99, providing access to its full features.
How does Koko adapt conversations to my skill level?
For beginners, Koko uses simpler vocabulary and speaks slowly. As you advance, it increases the speed and introduces more complex words and phrases to match your proficiency.
How often is Koko updated?
The latest version of Koko is 1.4.0, last updated on August 18, 2026. Updates typically include improvements to language models and new features.
Does Koko have ads?
No, Koko does not contain advertisements. The app is ad-free, allowing for an uninterrupted learning experience.