--- title: "504 Essential Words-Vocabulary - Reviews, Revenue and Downloads in United States | Apple App Store" description: "Learn the 504 Essential English Words in a fun and effective way. 504 Essential Words Pro Game helps you master the most important English vocabulary through stories, listening practice, pronunciatio" --- # 504 Essential Words-Vocabulary — United States > 504 Words Learning & Practice ![504 Essential Words App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/ef/fe/e4/effee4ce-7105-588a-2ba1-49000639734b/AppIcon-0-0-1x_U007epad-0-1-85-220.png/434x0w.png) **Developer:** [Hassan Dehghan](https://apptail.io/developer/hassan-dehghan-ZovYN) **Category:** Education **Rating:** 4.3/5 (3 ratings) **Price:** Free **Bundle ID:** at.vocabulary.hd **Store:** Apple App Store **Country:** United States **Version:** 1.2 (released 2026-06-15) **Original Release:** 2026-01-07 **Languages:** English, Persian **App Store Link:** [Download on Apple App Store](https://apps.apple.com/us/app/app/id6756911337) **AppTail Page:** [https://apptail.io/app/504-essential-words-vocabulary-LRdy/united-states](https://apptail.io/app/504-essential-words-vocabulary-LRdy/united-states) ## 504 Essential Words Description Learn the 504 Essential English Words in a fun and effective way. 504 Essential Words Pro Game helps you master the most important English vocabulary through stories, listening practice, pronunciation training, and interactive games. Improve your English skills step‑by‑step with listening challenges, synonym matching, definition games, and the powerful Tick‑8 learning method designed to help you remember words faster and longer. 504 Essential Words-Vocabulary is the ultimate tool to master the 504 most essential English words—proven to appear frequently in IELTS, TOEFL, academic texts, and everyday communication. Designed for serious learners, our app focuses on developing all core language skills: * Listening: Immersive stories with professional American and British narration. * Speaking & Pronunciation: Real-time speech recognition with instant feedback. * Reading & Comprehension: Contextual stories and highlighted vocabulary. * Writing & Retention: Tick-8 spaced repetition method for long-term memory. Key Features: Learn the 504 most important English words • Story‑based vocabulary learning • Listening practice for every word • Pronunciation training • Synonym Match Game • Definition Match Game • Score tracking and progress system • Tick‑8 method to reinforce learning over 8 days • Clean and simple learning experience • Interactive games: Definition Match, Synonym Match, and more • Detailed progress tracking and performance statistics • American and British accent options • Offline access to all content Whether preparing for exams or improving daily English, 504 Essential Words-Vocabulary transforms vocabulary building into an effective, enjoyable experience. Start your journey to fluency today. PREMIUM SUBSCRIPTION - You can subscribe to get unlimited access to certain app features. - Subscriptions are billed weekly or annually at the rate selected depending on the subscription plan. All personal data is protected in accordance with the Terms of Use and Privacy Policy: ## 504 Essential Words Screenshots - [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/b9/7e/87/b97e87b9-397c-1ae4-3050-450999bebaeb/mock-1.png/1242x2688.png) - [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/4f/93/97/4f9397d8-6bfd-e76d-23a7-787aaf548383/mock-2.png/1242x2688.png) - [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/d6/8b/30/d68b30e5-4039-838d-aebd-7bdb85759d6e/mock-3.png/1242x2688.png) - [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/30/c5/46/30c54694-f759-0830-a428-1866be45b05d/mock-4.png/1242x2688.png) - [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/7b/c4/81/7bc481e1-8841-71bf-f81e-413a84172a77/mock-5.png/1242x2688.png) - [Screenshot 6](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/cd/ec/ce/cdecce9a-efb5-068d-c4ec-ebf9344ec497/mock-6.png/1242x2688.png) - [Screenshot 7](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/85/de/43/85de4308-85e9-cd26-1070-6695969539fa/mock-7.png/1242x2688.png) - [Screenshot 8](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/b5/26/eb/b526ebdd-eb9b-7713-e20e-4d5276530540/mock-8.png/1242x2688.png) - [Screenshot 9](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/3e/1d/11/3e1d117c-ffc0-77f6-4b9d-277a95f6eb28/mock-9.png/1242x2688.png) ## 504 Essential Words Rating Breakdown in United States - 5 stars: 2 (67%) - 4 stars: 0 (0%) - 3 stars: 1 (33%) - 2 stars: 0 (0%) - 1 stars: 0 (0%) ## 504 Essential Words Reviews in United States ### ***** "Fantastic App" Absolutely fantastic app for learning the 504 essential words! It's been incredibly useful for me— the interactive flashcards, example sentences with translations, audio pronunciations, and fun quizzes make studying enjoyable and effective. I can feel my vocabulary expanding every day without feeling overwhelmed. Perfect for busy learners; I study on the go and never forget thanks to the smart review system. If you're looking to boost your English confidently, this is the best tool out there. Great job, team! 5 stars all the way! -- AboMohammadH, 2026-01-08 [View all 504 Essential Words reviews and detailed analytics on AppTail](https://app.apptail.io/signup?utm_campaign=ai-crawl&utm_content=reviews) ## 504 Essential Words In-App Purchases | Item | Price | |------|-------| | Premium Yearly Access | $79.99 | | Premium Monthly Access | $6.99 | ## 504 Essential Words Available In - [United States](https://apptail.io/app/504-essential-words-vocabulary-LRdy/united-states) - [Azerbaijan](https://apptail.io/app/504-essential-words-vocabulary-LRdy/azerbaijan) - [Canada](https://apptail.io/app/504-essential-words-vocabulary-LRdy/canada) - [Cyprus](https://apptail.io/app/504-essential-words-vocabulary-LRdy/cyprus) - [United Kingdom](https://apptail.io/app/504-essential-words-vocabulary-LRdy/united-kingdom) - [Nicaragua](https://apptail.io/app/504-essential-words-vocabulary-LRdy/nicaragua) --- ## About AppTail [AppTail](https://apptail.io) is a mobile app intelligence platform providing app analytics, ASO (App Store Optimization) tools, keyword tracking, competitor analysis, revenue estimates, and review monitoring for iOS App Store apps. Track your app's performance, discover ranking keywords, monitor competitors, and analyze market trends. - [Search Apps](https://apptail.io) - [Top Charts](https://apptail.io/top-iphone-apps) - [Sign Up for Full Access](https://app.apptail.io/signup?utm_campaign=ai-crawl&utm_content=footer) *Data provided by [AppTail](https://apptail.io) - Mobile App Intelligence Platform*