Koucai
Retell. Speak better.
About
Practice speaking clearly and confidently by retelling short passages in your own words. Choose from 800 practices across eight topics, available in English or Chinese. Your recordings and transcripts are stored privately on your device.
What's New in Koucai
1.0.2
October 17, 2026
While you record a practice or journal, the screen now stays on, so the time and controls stay in view. Press the side button to lock it; a recording in progress continues.
MoreSubscriptions & In-App Purchases
$9.99
Life Package
Unlock all practices in the Life package
FAQ
How does Koucai help users improve their speaking?
Koucai uses a retelling method where users read or listen to a passage and then explain it in their own words. This process helps in practicing clear, confident, and articulate speech.
What kind of content is available for practice in Koucai?
Koucai offers 800 practices across eight topics: Story, Life, Workplace, History, Science, Math, Logic, and Classroom. Each topic includes short stories, everyday situations, and explanations.
Can I use Koucai offline?
Yes, the practice text is included in the app for offline reading. Transcription, however, runs on your device where supported and may require a speech-model download.
What languages does Koucai support?
Koucai supports practice in Mandarin Chinese or English. Every practice includes Simplified Chinese, Traditional Chinese, and English text versions.
How is my privacy handled by Koucai?
Koucai is designed to be private, with no account, sign-in, ads, or tracking. Recordings and transcripts are stored solely on your device, and you control when to export files.
What are the purchase options for Koucai?
The Story topic with 100 practices is free. Each of the other seven topics is a separate one-time purchase, unlocking all text versions and future additions to that topic.
Does Koucai have ads?
No, Koucai is ad-free. The app is designed with privacy in mind and does not contain any advertisements.
What devices is Koucai available on?
Koucai is designed for iPhone and iPad. It supports light and dark appearance options and larger text sizes for accessibility.
