Simba
Trusted by 10,000+ English learners worldwide

Master English Vocabulary3x Faster

Join thousands who've expanded their English vocabulary with AI-powered flashcards, personalized quizzes, and proven learning techniques.

Learn 50+ new English words per week
Create your own custom word decks with the help of AI
Track progress with detailed analytics
Works offline - study anywhere
Download Free
4.9App Store
10K+ downloads
Simba English Vocabulary Builder app showing interactive flashcards with word definitions, examples, and progress tracking
+5 words learned
Streak: 7 days

Why Choose Simba for English Vocabulary?

Traditional vocabulary methods take months. Our AI-powered approach gets results in weeks.

Personalized English Learning

AI adapts to your pace and focuses on words you struggle with most

Save Time

Learn English vocabulary 3x faster with spaced repetition and smart scheduling

Proven Method

Based on cognitive science research for maximum English vocabulary retention

Start Learning English Today - It's Free

Everything You Need to Master English Vocabulary

Smart English Flashcards

AI-generated cards with images, audio, and contextual examples

Adaptive Vocabulary Quizzes

Questions that adjust to your English proficiency level

Community Word Decks

Access thousands of pre-made English vocabulary sets

Progress Analytics

Detailed insights into your English learning patterns

Spaced Repetition

Review English words at scientifically optimal intervals

Achievement System

Stay motivated with streaks and vocabulary milestones

Ready to Transform Your English Vocabulary?

Join 10,000+ learners who've already started their journey

Download Now - 100% Free

No credit card required • Available on iOS & Android