Getting the information you need about elements should be straightforward. Periodex gives you a clear, uncluttered view of the periodic table that adapts to whatever screen you are using. Whether you are studying for a chemistry exam or just curious about the makeup of the world, you get direct access to atomic numbers, mass, and chemical properties without any extra clutter or navigation noise. Everything is built to be fast and reliable, even when you do not have an active internet connection. You can quickly look up details, compare elements, and find the data you need for your projects or daily interests. It removes the friction of digging through textbooks or navigating complex websites, keeping the focus entirely on the facts. • Browse the complete table with intuitive organization • View detailed data sheets for every individual element • Access your saved information while working offline • Receive timely updates on chemical data automatically 🧪 • Keep the interface clean with a distraction-free layout ⚛️ This is a progressive web app, which means you skip the traditional software shops entirely. You simply open the link in your browser and select the option to add it to your home screen or desktop. From that point forward, it functions exactly like a native program with its own icon, a dedicated window without browser bars, and background updates that happen automatically. You get a lightweight, persistent tool on any device you use without needing to manage store accounts.
Periodex、すごく使いやすくて感動しました!シンプルなのにエレガントな周期表で、学生の私にはめちゃくちゃ役立ちます。最高におすすめ!
2026-07-05ชอบ Periodex มาก! ใช้งานง่ายสุดๆ ดูตารางธาตุได้เพลินเลย เหมาะกับนักเรียนจริงๆ ค่ะ! ★★★★★
2026-05-02Really happy with Periodex! It's super responsive and makes a quick reference for elements so easy. Perfect for students and enthusiasts alike. Almost 5 stars!
2026-03-10Want Periodex on your phone or computer? Our guide will show you how to do it right, with instructions for all popular browsers.

Tap the Share button (square with arrow pointing up) at the bottom of the screen

Select the option: Add to Home Screen

And here tap the 'Add' button. And the App will appear on your iPhone's home screen

Step 1 for Safari on macOS

Step 2 for Safari on macOS

Step 3 for Safari on macOS

Tap the Share icon in the top right corner, next to the site address

Select the option: Add to Home Screen

And here tap the 'Add' button. And the App will appear on your iPhone's home screen

Open the browser menu - three dots in the top right corner

Select the option 'Install app' sometimes it's: 'Add to Home Screen'

And here confirm the installation - tap 'Install'

Click the 'Install app' button - icon: computer with arrow pointing down

Confirm installation by clicking 'Install'

Click the 'Install app' button - icon: 3 blocks with plus sign

Confirm installation by clicking 'Install'

Open the browser menu - 'burger' icon in the bottom right corner, next to the site address

Swipe the menu icons to the right

Select the option 'Add to phone'

And here confirm the installation - tap 'Install'

Open the browser menu - three dots in the bottom right corner, next to the site address

Tap the 'Add to Home' button

Here select the option: Add to Home Screen

And here tap the 'Add' button. And the App will appear on your iPhone's home screen

Open the browser menu - three dots in the bottom right corner, next to the site address

Select the option 'Add to Home Screen'

And here tap the 'Add' button - and the app will appear on your home screen

Open the 'Actions menu' - three dots in the top right corner - next to the site address

Select the option 'Install as app'

And here select 'Separate window'

Open the browser menu (Opera icon in the bottom right corner) and find 'Add to Home Screen'

Here tap the Share button

Select the option: Add to Home Screen

And here tap the 'Add' button. And the App will appear on your iPhone's home screen

Open the browser menu - 'Three dots' in the top right corner

Select the option 'Add to...'

Here select the option 'Home Screen'

Tap the 'Add' button

And here confirm - and tap 'Add' again - and the app will appear on your home screen

Tap the 'Install app' button - icon: square with arrow pointing down

And tap the 'Add' button - and the app will appear on your home screen
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