{"app_store_id":1358258808,"slug":"vocabulary-builder-by-knudge-1358258808","name":"Vocabulary Builder by Knudge","subtitle":null,"icon_url":"https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/ab/d6/d9/abd6d9fe-1468-f4f2-5ad7-548623ff17b2/AppIcon-0-0-1x_U007emarketing-0-8-0-85-220.png/512x512bb.jpg","store_url":"https://apps.apple.com/us/app/vocabulary-builder-by-knudge/id1358258808?uo=4","price":0,"currency":"USD","rating":4.7331,"rating_count":1746,"in_app_purchases":null,"recent_rating":null,"recent_review_count":null,"reviews_checked_at":null,"primary_genre":"Education","version_date":"2026-07-06T03:42:53Z","updated_at":"2026-10-24T05:59:13.384Z","stale":false,"missing_since":null,"one_liner":"Vocabulary app that teaches new words through flashcards, word games and spaced repetition in 5-minute daily sessions.","verified_maker":false,"maker_site":null,"file_size_bytes":97897472,"minimum_os":"13.0","content_rating":"9+","language_count":1,"screenshots":["https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/6b/44/42/6b444208-19e3-62c2-5909-16a8fd72ec87/pr_source.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/e1/d3/29/e1d329c1-3f9e-ad48-e0fe-0f1b8db71041/pr_source.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/1b/ff/89/1bff89d5-c8fe-ca6e-0f2e-c5591f1ad526/pr_source.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/32/49/ad/3249ada8-37be-5e78-39bd-063c566af99f/pr_source.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/45/6f/f3/456ff3d0-ef17-91d5-de6d-7806cca6b39d/pr_source.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/4c/76/58/4c7658c4-0012-bc55-853d-2cc29908a05c/pr_source.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/82/1f/29/821f29f0-2c8f-a913-17f5-30ec20add9b5/pr_source.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/d6/18/09/d6180987-6f3f-4e51-14f7-c4af0aa13a35/pr_source.png/392x696bb.png"],"developer_name":"Knudge Technology Private Limited","editors_choice":null,"url":"https://apptierlist.com/apps/vocabulary-builder-by-knudge-1358258808/","api_url":"https://apptierlist.com/api/v1/apps/vocabulary-builder-by-knudge-1358258808","schema_version":"1.0","generated_at":"2026-10-24T15:47:53.269Z","data_as_of":"2026-10-24T12:42:13.674Z","description":"Build a bigger, sharper vocabulary in just 5 minutes a day.\n\nKnudge helps you learn new words, remember them for good, and actually use them - with smart flashcards, word games, and spaced repetition trusted by millions of learners since 2016.\n\nMost people forget new words within days. Knudge is built around the science of memory: spaced repetition and adaptive review resurface each word right before you'd forget it, so your vocabulary sticks for the long term - not just until the test.\n\nWHO IT'S FOR\n- Students prepping for the GRE, SAT, GMAT, TOEFL or IELTS\n- Professionals who want to write and speak with more precision\n- Anyone who loves words and wants to sound more articulate and confident\n\nHOW IT WORKS\n- Learn hand-picked words with clear definitions, example sentences, synonyms, antonyms and visual cues\n- Lock them in with adaptive flashcards and personalized revision tests\n- Play quick word games that make practice feel like a break, not a chore\n- Get words delivered through notifications at a frequency that suits you every day. This spaced repetition technique helps in building long-term memory. \n\nWHAT'S INSIDE\n- Curated word lists from everyday English to advanced, exam-level vocabulary\n- Courses on idioms, phrasal verbs and commonly confused words\n- 10+ word games spanning reading, spelling, comprehension and grammar\n- Audio pronunciations and a progress tracker to keep your streak alive\n\nWHY KNUDGE\n- Nearly 10 years refining how people learn words — millions of learners and counting\n- Bite-sized 5-minute sessions designed to fit a real day\n- Learn on the go, online or offline\n\nTerms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/\n\nStart free and build a vocabulary you'll actually use.","facts":{"developer_id":1358258807,"developer_url":"https://knudge.me/","first_released":"2018-04-07T03:36:05Z","support_url":null,"privacy_url":null,"website_url":null,"app_version":"3.0.7","release_notes":"**What's New**\n\n* A brand-new referral experience is here!\n* Deep linking is now supported for a smoother referral journey.\n* Earn **25 credits** for every friend you refer.\n* Redeem your credits to unlock **Mini Courses**, **Smart Vocab** words, and more.\n\nUpdate now and start referring your friends!","rating_current_version":4.7331,"rating_count_current_version":1746,"star_counts":null,"genres":["Education","Productivity"],"languages":["EN"],"content_advisories":null,"device_families":null,"made_for_iphone_duo":null,"chart":null},"freshness":{"apple_read_at":"2026-10-24T05:59:13.384Z","catalog_read_at":null,"reviews_checked_at":null,"summary_written_at":"2026-10-24T06:00:12.716Z","placed_at":"2026-10-24T05:54:15.591Z","scored_at":"2026-10-24T12:42:13.674Z"},"editorial":{"one_liner":"Vocabulary app that teaches new words through flashcards, word games and spaced repetition in 5-minute daily sessions.","what_is":"Vocabulary Builder by Knudge is an Education app for learning, remembering and using new English words. It combines adaptive flashcards, personalized revision tests, word games, audio pronunciations and courses on idioms, phrasal verbs and commonly confused words. The listing describes sessions of about 5 minutes a day.","good_for":["Preparing for GRE, SAT, GMAT, TOEFL or IELTS exams","Professionals who want more precise writing and speaking","Short daily vocabulary practice within a busy schedule"],"pricing":"Vocabulary Builder by Knudge is free to download on the App Store.","faq":[{"q":"Is the app free?","a":"The app is free to download. In-app purchases are not stated on the App Store."},{"q":"Can I use it without an internet connection?","a":"You can learn on the go, online or offline."},{"q":"How does it schedule word reviews?","a":"It uses spaced repetition and adaptive review to resurface words shortly before you would forget them. 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