# 4000 Essential Words (LEMA) > Advanced vocabulary learning app using Supermemo algorithm for efficient English word acquisition. (iPhone/iPad app by morteza moradi.) - Source: https://appshunter.io/ios/app/4000-essential-words-lema/id1482561334 (this page in markdown: same URL + `.md`) - Developer: [morteza moradi](https://appshunter.io/developer/1080450016) - Category: Education - Price: $1.99 - Rating: 3.50/5 from 14 App Store ratings · 7 written reviews indexed - Age rating: 4+ - Requires: iOS 18.0 · 71 MB - Languages: English - Released: 2019-10-07 - Data updated: 2026-09-08 - Monetization: paid - User reviews in markdown: https://appshunter.io/ios/app/4000-essential-words-lema/id1482561334/reviews.md ## What is 4000 Essential Words (LEMA)? با پیشرفته ترین روش یادگیری لغات و بهترین کتاب آموزشی، تنها با صرف 30% از زمان مطالعه خود، یادگیری خود را 200% افزایش دهید. با استفاده از این نرم افزار می توانید در مدت زمان کوتاهی دایره لغات خود را افزایش داده و دیگر نگران خواندن و درک مطالب انگلیسی نباشید. آیا می دانستید این 4000 لغت 90 درصد مکالمات عادی و یا حتی نیمه تخصصی زبان انگلیسی را پوشش می دهند؟ پس با یادگیری آنها می توانید در زبان انگلیسی حرفه ای شوید. ویژگی ها : شامل تعریف انگلیسی هر لغت همراه با مثال، تلفظ لغت به صورت انسانی. استفاده از پیشرفته ترین الگوریتم یادگیری لغات که بازدهی آن 5 برابر روش لایتنر می باشد. ارائه گزارش از میزان پیشرفت و لغاتی که تا کنون یاد گرفته اید. دارای امکانات آموزشی فراوانی که یادگیری شما را بهتر و جذاب تر خواهند کرد. ما تمام سعی خود را نموده ایم تا نرم افزار شامل یک محیط کاربری زیبا ، متنوع و کاربر پسند باشد تا از خستگی در حین استفاده و یکنواخت بودن آن جلوگیری شود و در شأن کاربران استفاده کننده از آن باشد. With the most advanced learning algorithm and the best vocabulary book, increase your efficiency to 200% only by using 30% of your learning time. By using this app you can expand your vocabulary significantly in a short period of time and never worry about reading and understanding English texts again. Did you know that about 90% of all general English dialogues and text are covered by these 4000 words? Main Features: • Each word comes with it's definition , an example, human pronunciation to help you learn better. • Learn with Supermemo algorithm, the most advanced repetition algorithm which has an efficiency 3 times better than traditional systems such as Leitner. • With a lot of useful features that will make your learning better and more attractive. We have put a lot of efforts in order to create a beautiful user interface yet with a lot of advanced features so that you never get exhausted during your learning time. ## Key features - Advanced Supermemo learning algorithm - English definitions and examples - Human pronunciation for words - Progress tracking and reports - Attractive and user-friendly interface ## Recent user reviews (7 of 7) All indexed reviews: https://appshunter.io/ios/app/4000-essential-words-lema/id1482561334/reviews.md ### 5/5 — Lema *2025-09-17* Perfect App ❤️✌🏻 ### 1/5 — مزخرف *2025-09-08* فایل کتاب هارو باز نمیکنه ### 1/5 — مشکل در نصب *2021-01-14* امکان دانلود فایل ها نیست و پیغام آفلاین میدهد و متاسفانه پستیبانی هم پاسخگو نیست ### 1/5 — مشکل پیدا کرده *2020-08-02* برنامه‌ به مشکل خورده. از برنامه بیرون می‌پرد. روی دو گوشی امتحان کردم. **Developer response:** سلام دوست عزیز كتاب ۵ هم اضافه شد. با تشکر ### 1/5 — دوستان نخرید که بدرد نمیخوره کلا ۳۳ درس داره بقیش خالی هست .پول الکی دادم من و کلا ناراضی ام *2019-11-15* بدرد نمیخوره و خیلی مسخره هست نخرید کلا ۳۳ درس داره بقیش خالیه.افتضاحه **Developer response:** سلام دوست عزیز درس‌های جدید روزانه به صورت آنلاین به برنامه اضافه می‌شود. در حال حاضر برنامه ۱۵۰ درس دارد و در آینده‌ی نزدیک تمامی درس‌ها (۳۰ درس دیگر) اضافه می‌شود. با تشکر ### 5/5 — Nice app *2019-11-06* The books in the app are amazing Thanks develper👌🏻👌🏻👌🏻 ### 5/5 — Merci!!!! *2019-11-05* Very good. ## Frequently asked questions about 4000 Essential Words (LEMA) ### What is the learning methodology used by 4000 Essential Words? 4000 Essential Words utilizes the Supermemo algorithm, which is described as an advanced repetition algorithm with an efficiency 3 times better than traditional systems like Leitner, aiming to maximize learning efficiency. ### How does 4000 Essential Words track user progress? The app provides reports on your progress and the words you have learned so far, allowing you to monitor your vocabulary acquisition journey. ### What is the price of 4000 Essential Words? 4000 Essential Words is available for a one-time purchase of $1.99. ### On which devices can I use 4000 Essential Words? The app is available for Android devices and is rated for ages 4 and up. ### How often is 4000 Essential Words updated? The latest version of 4000 Essential Words is 2.1, and it was last updated on September 15, 2025. ### What do users like most about 4000 Essential Words? User reviews indicate satisfaction with the advanced learning algorithm and the comprehensive nature of the vocabulary presented. ### Does 4000 Essential Words offer certifications? The provided information does not mention any certifications offered by 4000 Essential Words upon completion of its vocabulary modules. ### Is 4000 Essential Words suitable for beginners? Yes, the app is designed to help users expand their vocabulary significantly and understand 90% of common English conversations, making it beneficial for learners at various stages. ## Version history (last 1 release) ### 2.1 — 2025-09-15 add new books ## Apps similar to 4000 Essential Words (LEMA) | App | Rating | Price | Category | | --- | --- | --- | --- | | [Capitals & Countries](https://appshunter.io/ios/app/capitals-and-countries/id6744684502) | 5.0 (3) | Free | Education | | [Spanish Words 4 Beginners](https://appshunter.io/ios/app/spanish-words-4-beginners/id455328246) | — | $1.99 | Education | | [AdmissionPal: College TestPrep](https://appshunter.io/ios/app/admissionpal-college-testprep/id1603304342) | — | $9.99 | Education | | [Multiply Fun: 19x19](https://appshunter.io/ios/app/multiply-fun-19x19/id6738080498) | — | $4.99 | Education | | [IdeaSpark – One Idea a Day](https://appshunter.io/ios/app/ideaspark-one-idea-a-day/id6743702294) | — | Free | Education | | [LexiBot](https://appshunter.io/ios/app/lexibot/id6747012481) | — | Free | Education | ## More apps by morteza moradi - [کارت بانک](https://appshunter.io/ios/app/id1080450017) - [استخاره با قرآن](https://appshunter.io/ios/app/id1080646699) - [1100 & 504 Essential Words](https://appshunter.io/ios/app/1100-and-504-essential-words/id1081323492) - [محاسبه سود تسهیلات و سرمایه گذاری](https://appshunter.io/ios/app/id1098151804) - [کد ملی](https://appshunter.io/ios/app/id1205321480) All apps by morteza moradi: https://appshunter.io/developer/1080450016 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-08.*