Trach Kids vs MentalMultiply

Develop your math ability with Trach Kids. Trach Kids offers an engaging way for children to practice the basic math operations: addition, subtraction, multiplication, and division with customizable difficulty levels.  We encourage our users to use a pen and paper to help solve the problems! The app is completely ad-free and does not have any in-app purchases, making it safe for young children to use. Enjoy!

Mental Multiply teaches you how to multiply faster using the Trachtenberg System and powerful pattern-based mental-math techniques. Designed for students, adults, teachers, and mental-math enthusiasts, Mental Multiply turns multiplication into a practical skill you can understand, practice, and improve. Create personalized exercises based on your level and choose whether to solve the complete calculation process or focus only on the final answer. Learn Faster Multiplication Methods • Practice the Trachtenberg multiplication rules • Discover shortcuts for numbers close to 10, 20, 100, and 200 • Learn the “same tens, units add to 10” pattern • Follow clear, step-by-step explanations • Recognize useful number patterns and solve problems more efficiently Personalized Practice • Practice individual multiplication tables or combine several multipliers • Choose the number of digits in each exercise • Adjust the difficulty from beginner to advanced • Practice complete guided calculations or final answers only • Receive immediate feedback as you work Choose Your Calculation Direction Practice using: • The familiar left-to-right answer-entry direction • The Trachtenberg right-to-left working method This helps you learn the method in the way that feels most natural to you. Built for Continuous Improvement • Clean, distraction-free design • Structured practice sessions • Progress tracking and performance insights • Exercises for different experience levels • Support for multiple languages Mental Multiply is ideal for: • Students developing stronger multiplication skills • Adults who want to sharpen their mental arithmetic • Teachers demonstrating alternative calculation methods • Mental-math enthusiasts • Anyone preparing for mathematics or aptitude challenges Move beyond memorization. Learn the rules, recognize the patterns, and build the confidence to calculate faster in your head. Download Mental Multiply and start training your brain today. Some features may require an in-app purchase. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/