Overview
Learn vocab from YouTube, articles & PDFs. Save with context, track encounters, and sync to iPhone for review.
β¨ WHY CHOOSE LOCKCARD? π LEARN VOCABULARY AS YOU BROWSE β’ Works across the web: news sites, blogs, newsletters, research papers, and more β’ Example sites: YouTube, BBC Learning English, The Economist, The New Yorker, NYT, and many others (not affiliated) β’ Learn naturally during your normal browsing β no separate βstudy timeβ required π¬ YOUTUBE INTEGRATION β’ Click any word in YouTube subtitles to learn while watching β’ Learn from TED talks, courses, educational videos, and more β’ Save words with video context and timestamps for easy reference β’ Seamlessly integrate vocabulary learning into your video watching routine π PDF SUPPORT β’ Select words directly in PDF files β’ Custom PDF viewer with seamless word selection β’ Learn from research papers, ebooks, and documents effortlessly πΎ CONTEXT-AWARE SAVING β’ Save words with their original context automatically preserved β’ Remember exactly where and how you encountered each word β’ Learn from real contexts, not isolated word lists β’ Smart duplicate detection with context merging β’ Organized by articles and videos you've read/watched π ENCOUNTER TRACKING β’ See how many times youβve met a word across different pages/videos β’ Keep multiple real-world contexts for the same word (not just one definition) β’ Build a personal βwhere I learned thisβ history ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ π‘ HOW IT WORKS: 1. Browse normally - read articles, watch YouTube videos, surf the web 2. Discover in context - encounter new words in real content, not word lists 3. Save with context - one-click save preserves where and how you learned each word 4. Sync to iPhone - your vocabulary collection syncs seamlessly across devices 5. Practice innovatively - review with notification cards, widgets, and AI podcasts on iOS
Details
- Version1.9.0
- UpdatedFebruary 3, 2026
- Size5.12MiB
- LanguagesEnglish (United States)
- DeveloperWebsite
Email
bravetsia@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
Lockcard - Vocabulary Builder 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.
Lockcard - Vocabulary Builder handles the following:
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
