Math Trainer vs BenchCalc

Make a little time for maths, wherever you are. Math Trainer gives you quick mental arithmetic questions you can solve at your own pace or against the clock. Start with addition for free. Math Trainer Pro is a one-time purchase that opens up subtraction, multiplication and division, five difficulty levels from Easy to Extreme, focused practice and colourful themes. Work through ten-question rounds, see your progress, and get a helpful hint when you need one. Practise the questions you missed in an unranked round. You can also have questions spoken aloud, switch off negative answers, and choose the theme that feels right for you. Game Center leaderboards let you compare your fastest standard rounds, and achievements give you more to aim for. Your settings can follow you across your Apple devices with iCloud. Made for iPhone and iPad, with no ads or subscriptions.

BenchCalc is the fast, modern chemistry calculator built for scientists, students, and lab workers who need quick, accurate results at the bench. MOLARITY CALCULATOR Calculate molar concentration from mass, molecular weight, and volume. Results auto-scale between M, mM, µM, and nM so you always see the most useful unit. DILUTION CALCULATOR (C1V1 = C2V2) Solve for any variable in the dilution equation. Select what you need — final volume, starting concentration, or anything else — and get your answer instantly. UNIT CONVERTER Convert between concentration (M, mM, µM, nM), mass (g, mg, µg), and volume (L, mL, µL) units with a single tap. CALCULATION HISTORY Every calculation is saved automatically. Review past results, copy them to your clipboard, or share with colleagues. Swipe to delete what you don't need. DESIGNED FOR THE LAB • Clean, modern interface that's easy to read at the bench • Full dark mode support for late nights in the lab • Haptic feedback confirms every calculation • Copy and share results instantly • No account required — just open and calculate PRIVACY FIRST No data collected. No analytics. No network requests. Your calculations stay on your device. Period. Built by scientists, for scientists.