# McGraw Hill Must Know > Digital flashcards for McGraw Hill Must Know book series study. (iPhone/iPad app by McGraw-Hill.) - Source: https://appshunter.io/ios/app/mcgraw-hill-must-know/id1469168846 (this page in markdown: same URL + `.md`) - Developer: [McGraw-Hill](https://appshunter.io/developer/325792150) - Category: Education, Reference - Price: Free - Rating: 4.10/5 from 11 App Store ratings · 4 written reviews indexed - Age rating: 4+ - Requires: iOS 10.0 · 82 MB - Languages: American English - Released: 2019-06-19 - Data updated: 2026-08-28 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/mcgraw-hill-must-know/id1469168846/reviews.md ## What is McGraw Hill Must Know? This app includes the bonus flashcards for the Must Know series. They will help you test yourself on what you’ve learned as you make your way through any of the books. Each book’s set includes 100-plus “flashcards,” both “front” and “back.” ## Key features - Digital flashcards - Test knowledge - 100+ cards per book - Front and back content - Reinforce studies ## Recent user reviews (4 of 4) All indexed reviews: https://appshunter.io/ios/app/mcgraw-hill-must-know/id1469168846/reviews.md ### 3/5 — For geometry *2023-12-10* I bought a Must know geometry 2nd edition and the questions in the book are inconsistent to the must know app, which is kind of frustrating because I couldn’t check my answers perhaps ensure that my answers are correct. In the other hand, the book is good way to start learning about chosen subjects and I recommend it for beginners. ### 1/5 — Can’t play any audios in ESL for high school *2023-08-04* The audio players in Esl for high school don’t work at all. It’s showing an error. Please fix it ### 2/5 — Audio not working *2022-11-28* Audio files for “Must Know High School ESL” are corrupted and won’t play in this App. ### 5/5 — very helpful *2020-12-10* this app motivates me a lot to study. it has many subjects that you can study also, which turns out to be very useful for many of my classes ## Frequently asked questions about McGraw Hill Must Know ### What is McGraw Hill Must Know? McGraw Hill Must Know is a free educational app that provides digital flashcards to help users test their knowledge from the Must Know book series. It offers over 100 flashcards per book, each with a front and back for comprehensive review. ### What devices does McGraw Hill Must Know support? McGraw Hill Must Know is available on iPhone, iPad, and iPod devices, making it accessible for a wide range of Apple users. ### How often is McGraw Hill Must Know updated? The app was last updated on April 24, 2024, with version 10.0. This indicates regular maintenance and potential feature additions by the developer. ### Is McGraw Hill Must Know suitable for young learners? Yes, McGraw Hill Must Know has an age rating of 4+, making it appropriate for a broad audience, including younger students who are beginning their educational journey. ### What is the user rating for McGraw Hill Must Know? McGraw Hill Must Know has a rating of 4.1 stars based on 11 user ratings, indicating generally positive user experiences. ### Does McGraw Hill Must Know have ads? No, McGraw Hill Must Know does not contain advertisements. As a free application, it provides an ad-free study experience. ### Can I use McGraw Hill Must Know offline? The provided description does not specify offline functionality. However, flashcard apps often function without an internet connection once content is downloaded. ### What learning methodology does McGraw Hill Must Know use? McGraw Hill Must Know utilizes a spaced repetition and active recall learning methodology through its digital flashcard system, encouraging users to test themselves on learned material. ## Version history (last 5 releases) ### 10.0 — 2024-04-24 High School Grammar and Composition is now included in the app. ### 9.0 — 2022-08-10 High School ESL and Middle School ELA are now included in the app. ### 8.0 — 2021-12-22 High School Vocabulary is now included in the app. ### 7.0 — 2021-03-07 SAT is now included in the app. ### 6.0 — 2021-01-07 Math Grade 8 is now included in the app. ## More apps by McGraw-Hill - [Language Lab](https://appshunter.io/ios/app/language-lab/id575305826) - [McGraw-Hill Education Test Planner](https://appshunter.io/ios/app/mcgraw-hill-education-test-planner/id632073540) - [McGraw-Hill Education GRE Premium App](https://appshunter.io/ios/app/mcgraw-hill-education-gre-premium-app/id879657545) - [McGraw-Hill Education AP Planner](https://appshunter.io/ios/app/mcgraw-hill-education-ap-planner/id882563422) - [McGraw-Hill Education GMAT](https://appshunter.io/ios/app/mcgraw-hill-education-gmat/id1056286913) - [ReadAnywhere](https://appshunter.io/ios/app/readanywhere/id1237370775) All apps by McGraw-Hill: https://appshunter.io/developer/325792150 ## Related topics [mcgraw hill must know](https://appshunter.io/ios/topics/mcgraw-hill-must-know) · [mcgraw hill learnsmart](https://appshunter.io/ios/topics/mcgraw-hill-learnsmart) · [sharpen mcgraw](https://appshunter.io/ios/topics/sharpen-mcgraw) · [mcgraw hill readanywhere](https://appshunter.io/ios/topics/mcgraw-hill-readanywhere) --- *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 2026-08-28.*