Cardlingo: Vocab Flashcards

Build your own vocabulary flashcards and learn any language with spaced repetition. Private, offline, no account.

Cardlingo is the private, offline vocabulary flashcards app that helps you learn and remember words in any language. Build your own decks, study with a proven spaced repetition system, and watch new words turn into lasting knowledge — no account, no subscription, and no internet connection required.

Whether you are learning Spanish, French, German, Italian or Japanese, or revising for an exam, Cardlingo gives you a clean, focused way to memorize vocabulary that actually sticks. Create flashcards with a front, back, example sentence, notes and tags, then let the spaced repetition algorithm decide exactly when to show each card again — right before you would forget it.

WHY CARDLINGO

• Build unlimited custom decks for any language pair you want to learn
• Learn with a smart spaced repetition system inspired by Leitner and SM-2
• Self-grade every card (Again, Hard, Good, Easy) to fine-tune your schedule
• Hear native-style pronunciation with built-in text to speech
• Study completely offline so your decks stay private on your device

POWERFUL STUDY MODES

• Spaced repetition review of only the cards that are due today
• Multiple choice quiz to recognize meanings quickly
• Typing test for active recall and spelling practice
• Listening mode that plays the word and asks you to match it

MADE FOR REAL LEARNERS

• Add cards one by one, or paste a whole list with bulk add
• Import and export decks as JSON or CSV to back up and share your work
• Example sentences and notes give every word real context
• Tags help you organize and filter large decks
• Set a daily new-card limit and review limit that fit your own pace

TRACK YOUR PROGRESS

• See words learned, total reviews, accuracy and your current study streak
• A calendar-style consistency heatmap shows every day you studied
• Charts for reviews over time, due forecast, weekday and time-of-day patterns
• Per-deck mastery bars and a list of your hardest cards to focus on
• Personal records that keep you motivated day after day

PERFECT FOR

• Language learners studying Spanish, French, German, Italian and more
• Students revising for exams such as the SAT, GRE, IELTS or TOEFL
• Travellers learning essential travel phrases before a trip
• Anyone who wants a simple flashcard app to memorize words offline

PRIVATE AND OFFLINE BY DESIGN Cardlingo works fully offline and keeps all of your decks on your device. There is no sign-up and no account, so your study data always stays yours. It is a clean, account-free alternative for self-study learners who simply want to build vocabulary and remember it for good. Because everything runs on your phone, you can study language flashcards on a plane, on the train or anywhere with no signal.

Download Cardlingo today and start building your own language flashcards with spaced repetition. Learn a new word every day and turn steady practice into real, lasting vocabulary. Your streak, your decks and your own pace are always in your hands, and Cardlingo stays out of the way so you can focus on the words that matter most to you.