# LangChill: AI Flashcards — Look up any word. Remember it > AI-powered flashcards utilizing spaced repetition for efficient vocabulary acquisition. (iPhone/iPad app by LangChill, LLC.) - Source: https://appshunter.io/ios/app/langchill-ai-flashcards/id6739433302 (this page in markdown: same URL + `.md`) - Developer: [LangChill, LLC](https://appshunter.io/developer/1785278589) - Category: Education, Reference - Price: Free with in-app purchases - Rating: 5.00/5 from 1 App Store ratings - Age rating: 4+ - Requires: iOS 16.0 · 13 MB - Languages: American English, Arabic, Danish, Dutch, French (France), German (Germany), Hindi, Italian, Japanese, Korean and 9 more - Released: 2025-04-13 - Data updated: 2026-06-04 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/langchill-ai-flashcards/id6739433302/reviews.md ## What is LangChill? Minimize your study time and effort! Words will just stick with LangChill. Learn 1K words in 36 hours of study time. # Remembering words is easy with LangChill Simply mark cards right or wrong. Right cards move through increasing intervals. Wrong cards show again until marked right (no change). Your efforts yield results without being wasted. LangChill works the way your brain does to store and retrieve long-term memory. Words naturally stick with minimal study time. # Learn any word Learn what any word means with LangChill. You will learn not only its various meanings, but also the root parts to help you remember it, and the right and wrong usages of the word so you can use it confidently. # Straightforward levels Words move through twelve levels of increasing time (initial level not shown). Short-Term 20 minutes / 1 hour / 6 hours Long-Term 1 / 3 / 7 / 14 / 30 / 45 / 90 / 180 days You will always know when cards will show again. # Scientifically backed Spaced repetition is a highly-effective, proven method of long-term learning. It is backed up by multiple studies, with two key results being: (1) Spacing out recall significantly increases long-term recall (2) Testing Effect: Repeatedly retrieving knowledge substantially increases retention. # Most results, least time Remembering many words takes less time than you might think. At ten seconds per review, with twelve stages for a word, it takes two minutes of review to learn each word (10 sec. * 12 reviews = 120 sec.). Then, reviewing 1000 words takes 2000 minutes. Adding a small buffer for mistakes, that is 36 hours of study time. # Ask, read short stories Ask anything you need to know. The difference between similar words, how to pronounce words, or to check grammar or spelling. Read short stories in any language. You can choose the topic if you want. Learn relevant, interesting words on things that interest you! # Expand your ability Your language ability doesn't have to stay the same. You can expand your ability without soul-crushing study sessions. You will soon be surprised at how much you can understand. Start expanding your language ability now! ## Key features - Spaced repetition learning system - Learn word meanings and usage - Progress tracking through levels - AI-powered question answering - Read short stories for context - Vocabulary expansion ## Pricing and in-app purchases Base price: Free. **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | Premium App | $48.00 | one-time | | Add Credits X20 | $19.99 | one-time | | Add Credits X50 | $49.99 | one-time | | Add Credits X5 | $4.99 | one-time | | Add Credits X10 | $9.99 | one-time | | Add Credits X100 | $99.99 | one-time | ## Frequently asked questions about LangChill ### How does LangChill help users remember words? LangChill employs a spaced repetition system, a scientifically proven method for long-term memory retention. Words are shown at increasing intervals based on your performance, ensuring efficient recall and minimizing study time. ### What is the learning methodology behind LangChill? The app utilizes spaced repetition, which involves reviewing information at optimal intervals to strengthen memory. It also incorporates the 'Testing Effect' by repeatedly retrieving knowledge, substantially increasing retention. ### How does LangChill track user progress? Words progress through twelve levels of increasing time intervals, starting from short-term memory stages like 20 minutes and 1 hour, moving to long-term stages spanning days up to 180 days. ### Can I ask LangChill questions about words? Yes, you can ask LangChill anything you need to know about words, such as their different meanings, pronunciation, grammar, or spelling. It also allows you to read short stories on chosen topics. ### What devices is LangChill available on? LangChill is available on iPhone and iPad devices, making it accessible for users on the Apple ecosystem. ### Does LangChill have ads? Yes, LangChill contains advertisements. As it is a free app with in-app purchases, ads are part of the user experience. ### What is the age rating for LangChill? LangChill has an age rating of 4+, making it suitable for a wide range of users, including younger learners. ### How often is LangChill updated? LangChill was last updated on April 13, 2025, with version 1.0.0. This indicates a recent release, and users can expect future updates based on developer activity. ## Version history (last 1 release) ### 1.0.0 — 2025-04-13 No release notes. ## Apps similar to LangChill | App | Rating | Price | Category | | --- | --- | --- | --- | | [Push Words](https://appshunter.io/ios/app/push-words/id1636177594) | — | Free | Education | | [SAT One Word at a time](https://appshunter.io/ios/app/sat-one-word-at-a-time/id6742201377) | 5.0 (4) | Free | Education | | [Play Homework](https://appshunter.io/ios/app/play-homework/id1607890932) | — | Free | Education | | [WordRem](https://appshunter.io/ios/app/wordrem/id6474321549) | — | Free | Education | | [27words](https://appshunter.io/ios/app/27words/id6446810113) | — | Free | Education | | [Word Pads](https://appshunter.io/ios/app/word-pads/id6475161615) | — | Free | Education | ## More apps by LangChill, LLC - [Lurai AI: Learn, Recall, Apply](https://appshunter.io/ios/app/lurai-ai-learn-recall-apply/id6753128406) All apps by LangChill, LLC: https://appshunter.io/developer/1785278589 --- *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 2026-06-04.*