ChemiCalc vs Math Prep for GRE

ChemiCalc is a powerful unit converter for chemistry and physics calculations. Students and teachers can enter and simultaneously view converted values for energy, wavelength and frequency. Formulas and fundamental constants relevant for quantum mechanics are included.

Math Prep for GRE is a complete study kit for the Quantitative section: clear lessons, a full formula book, 460+ practice questions with explanations and 10 timed mock tests, all in one app. LEARN EVERY QUANT TOPIC 41 lessons cover question types and strategy, arithmetic, algebra, geometry and data analysis. Each lesson explains the key idea, shows the method step by step and works through examples, with tips on the traps test makers love. PRACTICE THAT TEACHES • 460+ questions in all four GRE formats: multiple choice, select all that apply, quantitative comparison and numeric entry • Check each answer instantly and read a worked explanation • Practice by topic, take a 10-question Quick Quiz, or work through mixed sets • Review Mistakes brings back every question you got wrong • Track answered questions, accuracy and best scores 10 TIMED MOCK TESTS 27 questions in 35 minutes, like the real section. Answers and explanations are shown at the end, with a full review of every question. FORMULA BOOK 38 pages of formulas and rules for percents, ratios, exponents, equations, inequalities, functions, triangles, circles, coordinate geometry, statistics, probability and counting, plus a one-page formula sheet and a list of common traps. STUDY IN YOUR LANGUAGE Lessons, formulas, questions and the whole app in English, Español, Português, Français, Deutsch, العربية, हिन्दी and Bahasa Indonesia. Switch language right inside the app. MADE FOR FOCUS Clean native design with dark mode, adjustable text size, saved pages and continue-where-you-left-off. ONE-TIME PREMIUM, NO SUBSCRIPTION Lessons, formulas, three practice topics, mixed sets and five mock tests are free. One purchase unlocks every topic and all ten mock tests, and removes ads. Pay once: no weekly or monthly fees. Math Prep for GRE is an independent study guide. GRE® is a registered trademark of ETS. This app is not endorsed or approved by ETS.