# Math X - Mental Math Prep > Mental math trainer for standardized tests and quantitative interviews. (iPhone/iPad app by Louis Lammerting.) - Source: https://appshunter.io/ios/app/math-x-mental-math-prep/id1511390421 (this page in markdown: same URL + `.md`) - Developer: [Louis Lammerting](https://appshunter.io/developer/1511390420) - Category: Education, Business - Price: Free - Rating: 4.57/5 from 23 App Store ratings · 9 written reviews indexed - Age rating: 4+ - Requires: iOS 9.0 · 8 MB - Languages: English - Released: 2020-06-23 - Data updated: 2026-06-10 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/math-x-mental-math-prep/id1511390421/reviews.md ## What is Math X? Math X is an intricately designed mental maths app, specifically tailored to developing the skills needed for standardized testing (e.g. GRE) and quantitative interviews (e.g. consulting, finance, accounting) and improving your general calculation abilities. Where do you want to excel? General mental math: - Addition, subtraction, multiplication, division - Exponents and roots - Decimals Quantitative interviews: - Percent & percentage changes - Statistics, mean, median, mode - Algebra - Large scale multiplications Graduate Record Examination (GRE*): - Ratios - Rules: Roots, exponents, arithmetic - Geometry - Functions - Multiples & common factors - Prime numbers Math X offers you a rigorous mental math preparation to build the skills you need to succeed. *GRE is a registered trademark of Educational Testing Service (ETS). This product is not endorsed or approved by ETS. ## Key features - Addition, subtraction, multiplication, division - Exponents and roots - Decimals - Percentage calculations - Statistics (mean, median, mode) - Algebra - Geometry ## Recent user reviews (9 of 9) All indexed reviews: https://appshunter.io/ios/app/math-x-mental-math-prep/id1511390421/reviews.md ### 3/5 — Where are the answers *2022-09-01, version 1.1* It seems like a good app but won’t tell me the right answer if I’m wrong. Idk if I am missing something or if the app is like that. Either way I think it should be an addition to the app ### 5/5 — Great help for GRE *2021-11-10, version 1.1* Used it to get into UChicago! ### 5/5 — Used it as GRE prep *2021-10-30, version 1.1* The app’s GRE section is really useful not only to get faster at calculating in your head but also teaches you many of the geometry, exponent and root rules you need to know. Top notch! ### 5/5 — great app! *2021-10-14, version 1.1* My math got so much better ### 5/5 — Great math app! *2021-10-12, version 1.1* Great math app! ### 5/5 — Finance Prep *2020-12-11, version 1.1* I was having a hard time studying for my finance interviews, and then I found this app. This is my go to study prep for finance interviews and the gre. ### 5/5 — Really loving it! *2020-07-13, version 1.1* I started using the app and in this category it has one of the best UI’s. Haven’t encountered any bugs Would recommend ### 5/5 — life changing *2020-06-26, version 1.1* this app has been the perfect addition to my daily life, not only improving my math skills but also making me sharper in general. so happy to have found this app!! everyone should download it ### 5/5 — Amazing App *2020-06-26, version 1.1* This is a fantastic app for anyone looking to level up their knowledge of math. Ideal to improve mental acuity in the space of logic and numbers. The app is well made, and better then the other competitors on the market. Really recommend this app for any person looking to get serious about their learning. ## Frequently asked questions about Math X ### What specific math skills does Math X help develop? Math X focuses on general calculation abilities and specific skills needed for standardized tests like the GRE and quantitative interviews. This includes arithmetic operations, exponents, roots, decimals, percentages, statistics, algebra, and geometry. ### Is Math X suitable for GRE preparation? Yes, Math X is specifically designed to help develop skills needed for the GRE. It covers topics such as ratios, roots, exponents, arithmetic rules, geometry, functions, multiples, common factors, and prime numbers relevant to the exam. ### What types of quantitative interviews can Math X help prepare for? Math X is tailored for quantitative interviews in fields like consulting, finance, and accounting. It includes modules on percentages, statistics, algebra, and large-scale multiplications crucial for these roles. ### What is the learning methodology of Math X? Math X offers rigorous mental math preparation through focused practice on various mathematical concepts. The app aims to build the necessary calculation skills for success in tests and interviews. ### How does Math X track progress? The provided data does not specify progress tracking features within Math X. However, its structured approach to covering various topics suggests a method for users to gauge their proficiency. ### Does Math X offer certifications upon completion? The description for Math X does not mention any certification programs. Its primary focus is on skill development for tests and interviews rather than formal accreditation. ### What devices is Math X available on? Math X is available on iPhone, iPad, and iPod devices. It is designed to be accessible on Apple's mobile ecosystem. ### How often is Math X updated? Math X was last updated on June 25, 2020, with version 1.1. The initial release date was June 23, 2020, indicating infrequent updates since its launch. ## Version history (last 1 release) ### 1.1 — 2020-06-25 Math X - Mental Math Prep. 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Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*