Must-Know 5K English Words

MustKnow 5k helps English learners quickly and effectively learn more than 4,200 words based on the Oxford 3000/5000 using the flashcard method.

Smart flashcards • Words appear in random order; swipe and tap to flip the card. • Each card includes the Turkish , Spanish , Deutsch and Italian meaning and an English example sentence. • Tap to listen to the correct pronunciation offline. • Add your favorite words to your favorites list.

Study by level • A1–A2, B1–B2, C1–C2 — start from any level you prefer. • Words marked as “I Know” will not appear again.

Streaks and daily goals • Set your daily goal, starting from at least 15 words. • Study every day, build your streak, and track your progress.

60-DAY STREAK REWARD • Complete your daily goal for 60 consecutive days and earn an Amazon Gift Card! • Apply through the “Claim Reward” option in the app; the reward will be delivered by email. • This reward is offered for promotional purposes and is not affiliated with or sponsored by Amazon.

Daily Challenge • Test yourself every day with 10 randomly selected C1–C2 words.

Free and Premium • The first 15 words in each level are free. • Premium unlocks unlimited words and access to all levels.

Dark/light theme • Fully offline • Ad-free • No account required.

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