Flash Mental Calc vs Speed Math Drill

Boost your mental math skills with Flash Mental Calculation! A simple and effective training app where numbers flash on screen and you calculate the sum as fast as you can. 【Features】 · Addition, Subtraction & Mixed mode · Customizable difficulty (digits, count, speed) · Sound & haptic feedback · Japanese / English / Chinese 【Premium - one-time】 · Mixed mode (addition + subtraction) · Unlimited custom difficulty · Accuracy charts & statistics

Train your calculation speed with 100-question timed drills — for kids and adults alike. Speed Math Drill is a no-nonsense arithmetic practice app. Open it, pick a mode, and start solving. No registration, no account, no internet needed. ■ WHAT YOU PRACTICE • Addition, subtraction, multiplication & division • Times tables (multiplication tables) • All operations mixed, or single-subject focus ■ HOW IT WORKS Each session gives you 100 questions. Solve them as fast as you can and beat your personal best. ■ WHO IT'S FOR • Elementary-age kids building calculation speed • Parents looking for a simple, ad-light math tool • Adults keeping arithmetic reflexes sharp • Students preparing for timed math tests ■ FREE vs. PREMIUM Free — All four operations (mixed): 100 questions per session, with banner ads Premium (one-time purchase): · Single-subject focus mode (addition only, subtraction only, etc.) · Ad-free experience No subscriptions. No recurring charges. Pay once, use forever. ■ FULLY OFFLINE & PRIVATE No data is collected or sent anywhere. Works without Wi-Fi.