Human History Atlas vs Periodic Table

Human History Atlas investigates connections between the body, mind, societies and technology through sourced fact cards, chronology and interactive models. Follow the Human Journey across 9 periods and 20 stops. Link 600 fact cards, 60 deep reads, 10 thematic routes, 10 labs and 100 Myth / Reality cards. Compare variables in topics such as time scales, networks and collective decisions; text or table alternatives accompany visual results. MYTH OR FACT? Make a choice about a claim, then open the explanation and its sources. Daily rounds, free rounds and missed-claim practice use the same editorial catalog. Play with the free selection; Premium opens the broader question pool and category selection. KNOWLEDGE YOU CAN SHARE Share a fact, a Myth / Reality card or a quiz result as an illustrated card. Tap a free daily fact in the Home or Lock Screen widget to open that card in the app. Save discoveries and return to your last reading position and progress. Turkish, English, Spanish, French and Japanese are available, with light and dark appearances, text size, high contrast and reduced motion settings. No account is needed. Reading progress, saved items and quiz results are stored on your device. Core content can be read offline; external references, Apple purchases and restoration need internet. A one-time Premium purchase unlocks the complete atlas beyond the free selection. There is no subscription. The material is for education and exploration. Health-related sections do not provide personal diagnosis or treatment.

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. Practice across 15 topics with feedback and explanations. PERIODIC TABLE PRO • Virtual lab: combine atoms and explore nearly 600 substances with animated models, properties, uses and safety information. • On-device AI tutor: ask in your own words. • Scanner: photograph a reaction equation, check the recognized text, then balance it. • Unlimited practice sessions. The periodic table, element cards, handbook and solvers remain free. 48 LANGUAGES The app uses a supported device language on first launch. You can change it in the app; your choice is saved. Arabic, Hebrew and Urdu read right to left, while formulas keep their standard direction. Light and dark themes. WORKS WITH UNLOCKY Optional study breaks can earn screen time in Unlocky: read three short handbook cards and pass a quick check. Requires a version of Unlocky that supports study breaks. PRIVACY AND AI REQUIREMENTS No accounts, ads, tracking or analytics. Reference content is available offline after installation. AI tutoring requires iOS/iPadOS 26 or later on a compatible device with Apple Intelligence enabled and its model ready. AI answers can contain mistakes. The tutor uses a language supported by Apple Intelligence, on-device Apple Translation where available, or English with a short note. Monthly and yearly plans are auto-renewing subscriptions; manage or cancel them in App Store settings. Lifetime is a one-time purchase with no automatic renewal. Subscriptions renew automatically unless cancelled at least 24 hours before the current period ends. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://ultim8digital.github.io/periodic-table/privacy.html