EngToolBox vs Periodic table

Welcome to EngToolBox , where I have designed this all-in-one app with privacy in mind where all the data is on device and plus the journal that is on Moodtracker in Stress Relief section is safe and secure with Keychain security (you have to set the pin for yourself in the Settings on the app) plus the app is fully operational offline .  The features of the app are: -Multi purpose calculators , from simple calculator with the basic addition , subtraction ,multiplication and division that are operations you can do in other sections also like binary calculator with some more features included , octal calculator , Hexadecimal calculator and also base conversion calculator and also logarithmic calculator to more advanced calculators like symbolic and numerical calculator. -Stress Relief section where you can find tips breathing exercises and also a full on device journal called Mood tracker. -A game for engagement where you have to try finding the most optimal way to connect the battery to Led named Circuit Builder. -A section about Formulas where you can find helpful formulas and explanation about different courses in computer engineering. And also a section about timers where you have different presets for productivity timers like Pomodoro timer , and the settings section that you can enter you PIN. Version 1.0: Perfomance improvments and also a cleaner and a more user-friendly interface. EngToolBox is an app designed with privacy on mind where is fully operational offline and no data is being collected.Download the app and I hope you will find the features useful. If there is any request for new feature or bug you encounter don't hesitate to contact me .

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/