Vocabulary: Lexicon Lantern

Do you keep meaning to grow your vocabulary but never stick with it? Vocabulary: Lexicon Lantern turns word learning into a calm daily habit with a single word each day, smart spaced review, and a distraction-free design. It works completely offline with no account and no ads, so it is perfect for students, writers, readers, and anyone who wants to expand their language a little every day.

Instead of overwhelming you with endless lists, Lexicon Lantern focuses on One Word a Day and a review system built around how memory actually works. You grade how well you knew each word, and the app schedules the next review for you. Personalize your experience with a quick onboarding quiz, pick your daily target and reminder time, and choose the look that suits you best, including true AMOLED black themes that save battery on OLED screens.

KEY FEATURES
• Word of the Day - Receive a fresh word each day to build a steady, sustainable learning habit without feeling buried under long lists.
• Spaced review system - Grade each word with Knew it, Forgot, or how well you knew it, and the app schedules the next review automatically for lasting recall.
• Mastery tracking - Watch words move through Learning and Mastered states, and see your next review date so you always know your progress.
• My Lexicon library - Browse, search, and filter all your words by headword or definition, and jump straight to detailed entries.
• Rich word detail - Each entry shows the headword, part of speech, definition, and example usage so you understand words in context.
• Custom words - Add, edit, and delete your own words with definitions and examples to tailor the app to your studies or interests.
• Favorites and bookmarks - Mark words as Favorite or Bookmark to keep the ones that matter most within easy reach.
• Personalization quiz - Set your difficulty level and daily study load during onboarding, and retake the quiz anytime to reconfigure.
• Daily reminders - Enable a friendly notification nudge at a reminder time you choose to keep your streak going.
• Streak and progress - Track your daily study streak and overall progress to stay motivated day after day.
• Beautiful themes - Choose from Luminous, System, and multiple AMOLED black options for a comfortable, battery-friendly view.
• Backup and restore - Export your lexicon and schedules to JSON and import them back, so your word bank is always in your hands.

HOW IT WORKS

Complete a short personalization quiz to set your difficulty level, daily target, and reminders.

Learn your word of the day and add any custom words you want to study.

Review due words and grade how well you knew each one to update its mastery and next review date.

Keep your streak alive with daily reminder nudges and watch your lexicon grow.

PERFECT FOR
• Students preparing for exams who want steady vocabulary growth.
• Writers and readers who love collecting new words.
• Language learners building recall through spaced repetition.
• Anyone who prefers a calm, offline, one-word-a-day approach.

PRIVACY
Lexicon Lantern is private and offline by design. There is no account to create, no network calls, and no ads, so your words and progress stay entirely on your device. You can export and import your data as JSON whenever you like, keeping full control of your lexicon.

Start building a richer vocabulary one word at a time. Download Vocabulary: Lexicon Lantern and lock in the words you learn, on your own terms, completely offline.