Chemistry Explorer: Calculator

Explore core chemistry, then upgrade to Chemistry Pro for advanced lab tools, live 2D/3D molecule generation, and offline reference workflows.

Chemistry Explorer is a beautifully designed companion for students, teachers, and the endlessly curious. Explore the elements, build molecules, and learn faster — all in one refined, focused app.

PERIODIC TABLE, PERFECTED • All 118 elements in a clean, color-coded layout • Tap any element for properties, isotopes, and real-world uses • Instant search by name, symbol, or atomic number

MOLECULES IN 2D & 3D • Enter any valid SMILES to generate a structure with RDKit • Search the curated catalog by molecule name or formula • A real chemistry engine computes molecular weight, logP, TPSA and more • Rotate and explore structures in interactive 3D

LEARN AND REMEMBER • Smart flashcards with spaced repetition • A new molecule of the day, every day • Curated cheat sheets and a discovery timeline

CALCULATORS FOR EVERY TASK • Concentration, gas laws, acid–base, equilibrium, and molecular tools

DESIGNED FOR FOCUS • A calm, modern interface built around clarity • English, 简体中文, 日本語, Español, Deutsch, and Français • Optimized for iPhone and iPad

Core chemistry is included for everyday exploration. Chemistry Pro is available as monthly, yearly, or lifetime access and unlocks advanced lab workflows, live molecule generation, and reference tools. Paid users of the original app keep Legacy Pro.

Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/