Periodic table vs Periodic Table

The most accurate periodic table app, built for students and chemistry professionals who need reliable data at their fingertips. COMPLETE ELEMENT DATA Access detailed information for all 118 elements, including atomic mass, electron configuration, melting and boiling points, density, electronegativity, ionization energy, and oxidation states. All data is verified against IUPAC and NIST standards. INTERACTIVE LEARNING TOOLS - Molar Mass Calculator: Enter any chemical formula to instantly calculate molecular weight - Equation Balancer: Balance chemical equations automatically - Temperature Slider: See how elements change state from 0K to 6000K in real-time - Quizzes and Flashcards: Test your knowledge with multiple quiz modes DESIGNED FOR FOCUS - Clean, modern interface with no distractions - Dark and light themes that follow your system preference - Offline access to all element data - Save favorites and create custom collections - Add personal notes to any element BUILT FOR ACCURACY Unlike other periodic table apps with outdated or incorrect data, every property in Chem is verified against authoritative sources. No more swapped boiling and melting points. PRIVACY FIRST Your favorites, notes, and collections are stored locally on your device. No accounts required. No tracking. No ads. --- PREMIUM FEATURES Unlock everything with a subscription or one-time purchase: - Molar mass calculator and equation balancer - All quiz modes and flashcards - Saved elements with collections - Ad-free experience Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

EXPLORE 118 ELEMENTS A visual periodic table with properties, electron shells, history and uses. Search by name, symbol or atomic number, and zoom to explore. LEARN AND CALCULATE 182 reference topics, from basic concepts to organic chemistry. 14 solvers show their steps for balancing reactions, redox, oxidation states, molar mass, amounts of substance, solutions, pH and more. Consult solubility and other reference tables. Practise across 15 topics with feedback and explanations. PERIODIC TABLE PRO • Virtual lab: combine atoms and explore nearly 600 substances with animated molecules, properties, uses and safety information. • On-device AI tutor: ask in your own words. Equations and molar masses are checked with the app's calculation engine. • Scanner: photograph a reaction equation and balance it. • Unlimited practice sessions. The periodic table, element cards, handbook and solvers remain free. 20 LANGUAGES The app uses a supported device language on first launch. You can change it in the app; your choice is saved. Formulas retain their standard direction. Light and dark themes. PRIVACY AND AI REQUIREMENTS No accounts, ads, tracking or analytics. Reference content is available offline after installation. The AI tutor requires a compatible iPhone or iPad with iOS/iPadOS 26 or later, enabled Apple Intelligence and a downloaded model. AI language and region availability depend on the device and system version. Questions are processed on the device. Pro is available as a monthly or yearly subscription with a one-week free trial for eligible new subscribers, or a one-time purchase for lifetime access. Subscriptions renew automatically unless cancelled at least 24 hours before the current period ends. Your Apple ID is charged after the free trial. Manage or cancel in App Store settings. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://ultim8digital.github.io/periodic-table/privacy.html