Vocabulary Builder by Lockcard
Save words & review with AI
| Revenue % | |||||
|---|---|---|---|---|---|
| Monthly | 175 | $6.86 – $10.66 | 24.8% | +18.0% | |
| 3 months | 175 | $17.60 – $30.16 | 24.8% | +18.0% | |
| Annual | 175 | $55.86 – $91.58 | 24.8% | +18.0% | |
| 3 months · 7 days trial | 175 | $13.73 – $21.35 | 24.8% | +18.0% | |
| Annual · 7 days trial | 175 | $35.20 – $60.36 | 24.8% | +18.0% | |
| Monthly · 7 days trial | 175 | $5.49 – $9.03 | 24.8% | +18.0% | |
| One-time purchase | 175 | $70.42 – $120.75 | 24.8% | +18.0% | |
| One-time purchase | 175 | $137.36 – $213.73 | 24.8% | +18.0% |
Description
You looked it up. You forgot it. Again.
Lockcard is your personal vocabulary notebook. Save a word the moment you meet it, keep the sentence it came from, and see it again on your lock screen until it sticks.
SAVE WORDS WHERE YOU MEET THEM
Look up any word in the app and it's saved automatically, with an example sentence
Capture words from articles, PDFs, and web pages with the Lockcard Chrome extension, synced to your iPhone
Add words from books, podcasts, or a conversation you just had
Organize everything into Collections
KEEP THE CONTEXT, NOT JUST THE WORD
Every word keeps its original sentence and source
Word Journey shows where a word came from, when you saved it, and how you've reviewed it
AI explanations and examples tailored to you, plus follow-up questions about any word
REVIEW WITHOUT BUILDING A NEW HABIT
Your words on the lock screen and home screen widgets
Notification flashcards that bring words back before you forget them
AI word podcasts for passive listening
NEW: ELEVATE PRACTICE
Flashcards built from the words that most need review
Flip the card, or recall the word from a fill-in-the-blank sentence
Quick 5, Daily 12, or Deep 25, with daily streaks
MADE FOR LEARNERS WHO ALREADY LIVE IN ENGLISH
If you read articles, watch videos, or prep for IELTS, TOEFL, or GRE, and keep running into words you don't know, Lockcard turns them into a vocabulary library that's entirely yours.
What learners say:
"Y'all are amazing. Ever since I started using Lockcard, it's become something I use daily" — James, high school student
"Super helpful especially with my busy schedule" — Peng, international university student
"The simplicity and beautiful designs make it such a delight to use" — Charlotte
"One of the most impressive apps I've used in a long time!" — Jordan
By downloading this app, you agree to Apple's standard End User License Agreement https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Last collected from the App Store on