# Koko: Language Practice — Private, offline conversations

> Private, offline language conversation practice with adaptive difficulty. (iPhone/iPad app by Prism App Labs.)

- Source: https://appshunter.io/ios/app/koko-language-practice/id6794011726 (this page in markdown: same URL + `.md`)
- Developer: [Prism App Labs](https://appshunter.io/developer/6794011728)
- Category: Education
- Price: Free with in-app purchases
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 26.0 · 76 MB
- Languages: American English
- Released: 2026-08-06
- Data updated: 2026-08-26
- Monetization: freemium
- User reviews in markdown: https://appshunter.io/ios/app/koko-language-practice/id6794011726/reviews.md

## What is Koko?

Koko gives you unlimited conversation practice while keeping your voice, information, and data private on your device. Nothing leaves your iPhone. It can even be run in Airplane mode :)

Learn a new language by speaking and listening more! A lot of people struggle to actually hold a conversation when learning a language because they don't practice speaking and immersing themselves in the language.

Features We Love:
- Fully private. Your voice and conversations never leave your device.
- Conversations are scaled to your level. For beginners, Koko uses small, beginner-friendly words and speaks slowly. For advanced speakers, Koko speaks quickly and uses advanced vocabulary.
- Quick translations
- Feedback on your responses to help you learn how to speak better

Current languages:
- English
- Spanish
- French
- Italian
- German
- Japanese
- Polish
- Vietnamese

Koko requires iPhone 12 or newer and iOS26+ in order to run the conversation models on your own device. Koko requires around 3.4GB of space to download the language models for fully-offline conversation.

Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

## Key features

- Private, offline conversations
- Adaptive conversation difficulty
- Voice feedback for improvement
- Quick translations
- Multiple languages supported

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Koko Monthly Plan | $7.99 | per month |
| Koko Yearly Plan | $39.99 | per year |



## Frequently asked questions about Koko

### 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.

## Version history (last 5 releases)

### 1.4.0 — 2026-08-18

Added Vietnamese, bug fixes.

### 1.3.0 — 2026-08-14

Better onboarding and smaller download sizes.

### 1.2.0 — 2026-08-12

Daily speaking goals, better model downloads, conversation optimizations.

### 1.0.1 — 2026-08-11

Better screenshots and speaking progress :)

### 1.0 — 2026-08-06

No release notes.

## Related topics

[gls language school](https://appshunter.io/ios/topics/gls-language-school)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-26.*