Products

Langkey

Uses AI

Learn a foreign language through YouTube videos

langkey.win Source Chrome Web Store DiscordEducation / Language Learning

AI Benchmark
Desktop
Mobile
Monthly visits
<5K
Sep 2026
Public revenue
Undisclosed
No public revenue evidence yet
Entry price
$1.96/mo
Lower than 96% of peersNiche median $8/mo
Creators
PickBeat
@langkeyai
Launched
13mo ago
2025-10-18 · Est.

Traffic

Monthly visitsData through Sep 2026 · Oct 2026 pending

Marketing moves

Launches, search & content, referrals, promotions

  • Launched on Product HuntLaunch

    Learn a foreign language through YouTube videos

    Oct 18, 2025 · 13mo agoLaunch page

Open Source & Self-Hosting

GitHub · MCP / Skill
1378059546/LangKey-AI-Video-Language-Learning-Assistant-YouTube-bilibili-
Last commit 2026-03-11
GitHub Stars
Public repo
Forks
—
License
See repository
Primary language
—
Browse peer open-source projects →

Store data

Chrome Web Store
Chrome Web Store Chrome Web Store
Update date not synced
Rating
Rating not syncedRating count not synced
New ratings last mo
—
Price & IAP
FreeIAP data not synced
Current version
—Store metadata

Store assets, rating histograms, install tiers, and screenshots are synced from Apple App Store, Google Play, and Chrome Web Store.

Traffic sources

Sep 2026

Traffic breakdown

Channels

  • Direct86%
  • Organic Search12%
  • Other2%

Countries

  • China100%

Search

Domain authority —Domain registered 2025-07-02

KeywordMonthly volume
langkey0

Traffic data: Vaneform

Pricing

免费版
¥0 /month / ¥0 /year
YouTube / Bilibili / TED 字幕自动提取 · 5 种基础练习模式（输入 / 选择 / 填空 / 听力 / 影子跟读） · 单设备使用
Pro 版
¥19 /month / ¥168 /year
听写模式（AI 按 CEFR 等级自动出题） · SRS 间隔重复（错词自动入 SM-2 队列） · Anki / CSV / JSON 双向导入导出
团队版
Contact sales
共享生词本（小组内统一管理） · 学习数据仪表盘（教师视角） · SSO 单点登录

Trial: 14 天免费试用 · Enterprise custom tier · Observed 2026-11-03 · Pricing page

Entry price $1.96/mo, Lower than 96% of peers; “Language Learning” median is $8/mo.View pricing benchmark

Pages & changes

Tracked since 2025-10-18

Key pages

Weekly snapshots
langkey.win/ Snapshot 2026-11-04

Changes

No pricing, plan, or positioning changes detected since tracking started.

Questions & evidence

How much does Langkey cost?
免费版: ¥0 /month / ¥0 /year; Pro 版: ¥19 /month / ¥168 /year; 团队版: Contact sales. Observed 2026-11-03. Check the source for current billing terms, usage limits and taxes.Source
How much website traffic does Langkey get?
Vaneform estimates <5K website visits in 2026-09. Visits can include repeat visits; this estimate measures web traffic separately from paying customers or revenue.Source
What is Langkey and what platforms does it support?
Langkey is catalogued under Language Learning: Learn a foreign language through YouTube videos. Supported platforms: Browser Extension.
Is Langkey open source?
Langkey has a public repository (https://github.com/1378059546/LangKey-AI-Video-Language-Learning-Assistant-YouTube-bilibili-) with its source repository published.Source

Related products in this category

Education / Language Learning

These products share a catalog category. Compare customer tasks, features and deployment requirements before treating them as alternatives.