Overview
Master languages on YouTube & Bilibili with AI subtitles, cloze tests, and instant translation.
主要功能：主要提供语言学习无论你学习英语、日语、韩语、俄语都可以 输入练习，选择练习，听力练习，口语练习，填空练习 沉浸式阅读，词性标注边看视频边学语言 完美适配 YouTube 和 Bilibili(b站)，支持全屏沉浸式学习。
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Details
- Version2.2.2
- UpdatedApril 30, 2026
- Size1.78MiB
- Languages44 languages
- DeveloperWebsite
Email
langkeyweb@gmail.com - Non-traderThis developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.
Privacy
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LangKey: AI Video Language Learning (YouTube/BiliBili) has disclosed the following information regarding the collection and usage of your data. More detailed information can be found in the developer's privacy policy.
LangKey: AI Video Language Learning (YouTube/BiliBili) handles the following:
Financial and payment information
Personal communications
Location
This developer declares that your data is
- Not being sold to third parties, outside of the approved use cases
- Not being used or transferred for purposes that are unrelated to the item's core functionality
- Not being used or transferred to determine creditworthiness or for lending purposes
Support
For help with questions, suggestions, or problems, visit the developer's support site